LCOV - code coverage report
Current view: top level - pulsecore - sink-input.c (source / functions) Hit Total Coverage
Test: lcov.out Lines: 0 1044 0.0 %
Date: 2012-07-17 Functions: 0 59 0.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 0 954 0.0 %

           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                 :            : 
      30                 :            : #include <pulse/utf8.h>
      31                 :            : #include <pulse/xmalloc.h>
      32                 :            : #include <pulse/util.h>
      33                 :            : #include <pulse/internal.h>
      34                 :            : 
      35                 :            : #include <pulsecore/sample-util.h>
      36                 :            : #include <pulsecore/core-subscribe.h>
      37                 :            : #include <pulsecore/log.h>
      38                 :            : #include <pulsecore/play-memblockq.h>
      39                 :            : #include <pulsecore/namereg.h>
      40                 :            : #include <pulsecore/core-util.h>
      41                 :            : 
      42                 :            : #include "sink-input.h"
      43                 :            : 
      44                 :            : /* #define SINK_INPUT_DEBUG */
      45                 :            : 
      46                 :            : #define MEMBLOCKQ_MAXLENGTH (32*1024*1024)
      47                 :            : #define CONVERT_BUFFER_LENGTH (PA_PAGE_SIZE)
      48                 :            : 
      49         [ #  # ]:          0 : PA_DEFINE_PUBLIC_CLASS(pa_sink_input, pa_msgobject);
      50                 :            : 
      51                 :            : static void sink_input_free(pa_object *o);
      52                 :            : static void set_real_ratio(pa_sink_input *i, const pa_cvolume *v);
      53                 :            : 
      54                 :          0 : static int check_passthrough_connection(pa_bool_t passthrough, pa_sink *dest) {
      55         [ #  # ]:          0 :     if (pa_sink_is_passthrough(dest)) {
      56                 :          0 :         pa_log_warn("Sink is already connected to PASSTHROUGH input");
      57                 :          0 :         return -PA_ERR_BUSY;
      58                 :            :     }
      59                 :            : 
      60                 :            :     /* If current input(s) exist, check new input is not PASSTHROUGH */
      61 [ #  # ][ #  # ]:          0 :     if (pa_idxset_size(dest->inputs) > 0 && passthrough) {
      62                 :          0 :         pa_log_warn("Sink is already connected, cannot accept new PASSTHROUGH INPUT");
      63                 :          0 :         return -PA_ERR_BUSY;
      64                 :            :     }
      65                 :            : 
      66                 :            :     return PA_OK;
      67                 :            : }
      68                 :            : 
      69                 :          0 : pa_sink_input_new_data* pa_sink_input_new_data_init(pa_sink_input_new_data *data) {
      70         [ #  # ]:          0 :     pa_assert(data);
      71                 :            : 
      72                 :            :     pa_zero(*data);
      73                 :          0 :     data->resample_method = PA_RESAMPLER_INVALID;
      74                 :          0 :     data->proplist = pa_proplist_new();
      75                 :          0 :     data->volume_writable = TRUE;
      76                 :            : 
      77                 :          0 :     return data;
      78                 :            : }
      79                 :            : 
      80                 :          0 : void pa_sink_input_new_data_set_sample_spec(pa_sink_input_new_data *data, const pa_sample_spec *spec) {
      81         [ #  # ]:          0 :     pa_assert(data);
      82                 :            : 
      83         [ #  # ]:          0 :     if ((data->sample_spec_is_set = !!spec))
      84                 :          0 :         data->sample_spec = *spec;
      85                 :          0 : }
      86                 :            : 
      87                 :          0 : void pa_sink_input_new_data_set_channel_map(pa_sink_input_new_data *data, const pa_channel_map *map) {
      88         [ #  # ]:          0 :     pa_assert(data);
      89                 :            : 
      90         [ #  # ]:          0 :     if ((data->channel_map_is_set = !!map))
      91                 :          0 :         data->channel_map = *map;
      92                 :          0 : }
      93                 :            : 
      94                 :          0 : pa_bool_t pa_sink_input_new_data_is_passthrough(pa_sink_input_new_data *data) {
      95         [ #  # ]:          0 :     pa_assert(data);
      96                 :            : 
      97 [ #  # ][ #  # ]:          0 :     if (PA_LIKELY(data->format) && PA_UNLIKELY(!pa_format_info_is_pcm(data->format)))
      98                 :            :         return TRUE;
      99                 :            : 
     100         [ #  # ]:          0 :     if (PA_UNLIKELY(data->flags & PA_SINK_INPUT_PASSTHROUGH))
     101                 :            :         return TRUE;
     102                 :            : 
     103                 :          0 :     return FALSE;
     104                 :            : }
     105                 :            : 
     106                 :          0 : void pa_sink_input_new_data_set_volume(pa_sink_input_new_data *data, const pa_cvolume *volume) {
     107         [ #  # ]:          0 :     pa_assert(data);
     108         [ #  # ]:          0 :     pa_assert(data->volume_writable);
     109                 :            : 
     110         [ #  # ]:          0 :     if ((data->volume_is_set = !!volume))
     111                 :          0 :         data->volume = *volume;
     112                 :          0 : }
     113                 :            : 
     114                 :          0 : void pa_sink_input_new_data_apply_volume_factor(pa_sink_input_new_data *data, const pa_cvolume *volume_factor) {
     115         [ #  # ]:          0 :     pa_assert(data);
     116         [ #  # ]:          0 :     pa_assert(volume_factor);
     117                 :            : 
     118         [ #  # ]:          0 :     if (data->volume_factor_is_set)
     119                 :          0 :         pa_sw_cvolume_multiply(&data->volume_factor, &data->volume_factor, volume_factor);
     120                 :            :     else {
     121                 :          0 :         data->volume_factor_is_set = TRUE;
     122                 :          0 :         data->volume_factor = *volume_factor;
     123                 :            :     }
     124                 :          0 : }
     125                 :            : 
     126                 :          0 : void pa_sink_input_new_data_apply_volume_factor_sink(pa_sink_input_new_data *data, const pa_cvolume *volume_factor) {
     127         [ #  # ]:          0 :     pa_assert(data);
     128         [ #  # ]:          0 :     pa_assert(volume_factor);
     129                 :            : 
     130         [ #  # ]:          0 :     if (data->volume_factor_sink_is_set)
     131                 :          0 :         pa_sw_cvolume_multiply(&data->volume_factor_sink, &data->volume_factor_sink, volume_factor);
     132                 :            :     else {
     133                 :          0 :         data->volume_factor_sink_is_set = TRUE;
     134                 :          0 :         data->volume_factor_sink = *volume_factor;
     135                 :            :     }
     136                 :          0 : }
     137                 :            : 
     138                 :          0 : void pa_sink_input_new_data_set_muted(pa_sink_input_new_data *data, pa_bool_t mute) {
     139         [ #  # ]:          0 :     pa_assert(data);
     140                 :            : 
     141                 :          0 :     data->muted_is_set = TRUE;
     142                 :          0 :     data->muted = !!mute;
     143                 :          0 : }
     144                 :            : 
     145                 :          0 : pa_bool_t pa_sink_input_new_data_set_sink(pa_sink_input_new_data *data, pa_sink *s, pa_bool_t save) {
     146                 :          0 :     pa_bool_t ret = TRUE;
     147                 :          0 :     pa_idxset *formats = NULL;
     148                 :            : 
     149         [ #  # ]:          0 :     pa_assert(data);
     150         [ #  # ]:          0 :     pa_assert(s);
     151                 :            : 
     152         [ #  # ]:          0 :     if (!data->req_formats) {
     153                 :            :         /* We're not working with the extended API */
     154                 :          0 :         data->sink = s;
     155                 :          0 :         data->save_sink = save;
     156                 :            :     } else {
     157                 :            :         /* Extended API: let's see if this sink supports the formats the client can provide */
     158                 :          0 :         formats = pa_sink_check_formats(s, data->req_formats);
     159                 :            : 
     160 [ #  # ][ #  # ]:          0 :         if (formats && !pa_idxset_isempty(formats)) {
     161                 :            :             /* Sink supports at least one of the requested formats */
     162                 :          0 :             data->sink = s;
     163                 :          0 :             data->save_sink = save;
     164         [ #  # ]:          0 :             if (data->nego_formats)
     165                 :          0 :                 pa_idxset_free(data->nego_formats, (pa_free2_cb_t) pa_format_info_free2, NULL);
     166                 :          0 :             data->nego_formats = formats;
     167                 :            :         } else {
     168                 :            :             /* Sink doesn't support any of the formats requested by the client */
     169         [ #  # ]:          0 :             if (formats)
     170                 :          0 :                 pa_idxset_free(formats, (pa_free2_cb_t) pa_format_info_free2, NULL);
     171                 :            :             ret = FALSE;
     172                 :            :         }
     173                 :            :     }
     174                 :            : 
     175                 :          0 :     return ret;
     176                 :            : }
     177                 :            : 
     178                 :          0 : pa_bool_t pa_sink_input_new_data_set_formats(pa_sink_input_new_data *data, pa_idxset *formats) {
     179         [ #  # ]:          0 :     pa_assert(data);
     180         [ #  # ]:          0 :     pa_assert(formats);
     181                 :            : 
     182         [ #  # ]:          0 :     if (data->req_formats)
     183                 :          0 :         pa_idxset_free(formats, (pa_free2_cb_t) pa_format_info_free2, NULL);
     184                 :            : 
     185                 :          0 :     data->req_formats = formats;
     186                 :            : 
     187         [ #  # ]:          0 :     if (data->sink) {
     188                 :            :         /* Trigger format negotiation */
     189                 :          0 :         return pa_sink_input_new_data_set_sink(data, data->sink, data->save_sink);
     190                 :            :     }
     191                 :            : 
     192                 :            :     return TRUE;
     193                 :            : }
     194                 :            : 
     195                 :          0 : void pa_sink_input_new_data_done(pa_sink_input_new_data *data) {
     196         [ #  # ]:          0 :     pa_assert(data);
     197                 :            : 
     198         [ #  # ]:          0 :     if (data->req_formats)
     199                 :          0 :         pa_idxset_free(data->req_formats, (pa_free2_cb_t) pa_format_info_free2, NULL);
     200                 :            : 
     201         [ #  # ]:          0 :     if (data->nego_formats)
     202                 :          0 :         pa_idxset_free(data->nego_formats, (pa_free2_cb_t) pa_format_info_free2, NULL);
     203                 :            : 
     204         [ #  # ]:          0 :     if (data->format)
     205                 :          0 :         pa_format_info_free(data->format);
     206                 :            : 
     207                 :          0 :     pa_proplist_free(data->proplist);
     208                 :          0 : }
     209                 :            : 
     210                 :            : /* Called from main context */
     211                 :          0 : static void reset_callbacks(pa_sink_input *i) {
     212         [ #  # ]:          0 :     pa_assert(i);
     213                 :            : 
     214                 :          0 :     i->pop = NULL;
     215                 :          0 :     i->process_rewind = NULL;
     216                 :          0 :     i->update_max_rewind = NULL;
     217                 :          0 :     i->update_max_request = NULL;
     218                 :          0 :     i->update_sink_requested_latency = NULL;
     219                 :          0 :     i->update_sink_latency_range = NULL;
     220                 :          0 :     i->update_sink_fixed_latency = NULL;
     221                 :          0 :     i->attach = NULL;
     222                 :          0 :     i->detach = NULL;
     223                 :          0 :     i->suspend = NULL;
     224                 :          0 :     i->suspend_within_thread = NULL;
     225                 :          0 :     i->moving = NULL;
     226                 :          0 :     i->kill = NULL;
     227                 :          0 :     i->get_latency = NULL;
     228                 :          0 :     i->state_change = NULL;
     229                 :          0 :     i->may_move_to = NULL;
     230                 :          0 :     i->send_event = NULL;
     231                 :          0 :     i->volume_changed = NULL;
     232                 :          0 :     i->mute_changed = NULL;
     233                 :          0 : }
     234                 :            : 
     235                 :            : /* Called from main context */
     236                 :          0 : int pa_sink_input_new(
     237                 :            :         pa_sink_input **_i,
     238                 :            :         pa_core *core,
     239                 :            :         pa_sink_input_new_data *data) {
     240                 :            : 
     241                 :            :     pa_sink_input *i;
     242                 :          0 :     pa_resampler *resampler = NULL;
     243                 :            :     char st[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX];
     244                 :            :     pa_channel_map original_cm;
     245                 :            :     int r;
     246                 :            :     char *pt;
     247                 :            :     char *memblockq_name;
     248                 :            :     pa_sample_spec ss;
     249                 :            :     pa_channel_map map;
     250                 :            : 
     251         [ #  # ]:          0 :     pa_assert(_i);
     252         [ #  # ]:          0 :     pa_assert(core);
     253         [ #  # ]:          0 :     pa_assert(data);
     254         [ #  # ]:          0 :     pa_assert_ctl_context();
     255                 :            : 
     256         [ #  # ]:          0 :     if (data->client)
     257                 :          0 :         pa_proplist_update(data->proplist, PA_UPDATE_MERGE, data->client->proplist);
     258                 :            : 
     259 [ #  # ][ #  # ]:          0 :     if (data->origin_sink && (data->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER))
     260                 :          0 :         data->volume_writable = FALSE;
     261                 :            : 
     262         [ #  # ]:          0 :     if (!data->req_formats) {
     263                 :            :         /* From this point on, we want to work only with formats, and get back
     264                 :            :          * to using the sample spec and channel map after all decisions w.r.t.
     265                 :            :          * routing are complete. */
     266                 :          0 :         pa_idxset *tmp = pa_idxset_new(NULL, NULL);
     267         [ #  # ]:          0 :         pa_format_info *f = pa_format_info_from_sample_spec(&data->sample_spec,
     268                 :          0 :                 data->channel_map_is_set ? &data->channel_map : NULL);
     269                 :          0 :         pa_idxset_put(tmp, f, NULL);
     270                 :          0 :         pa_sink_input_new_data_set_formats(data, tmp);
     271                 :            :     }
     272                 :            : 
     273         [ #  # ]:          0 :     if ((r = pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_INPUT_NEW], data)) < 0)
     274                 :            :         return r;
     275                 :            : 
     276 [ #  # ][ #  # ]:          0 :     pa_return_val_if_fail(!data->driver || pa_utf8_valid(data->driver), -PA_ERR_INVALID);
     277                 :            : 
     278         [ #  # ]:          0 :     if (!data->sink) {
     279                 :          0 :         pa_sink *sink = pa_namereg_get(core, NULL, PA_NAMEREG_SINK);
     280         [ #  # ]:          0 :         pa_return_val_if_fail(sink, -PA_ERR_NOENTITY);
     281                 :          0 :         pa_sink_input_new_data_set_sink(data, sink, FALSE);
     282                 :            :     }
     283                 :            :     /* Routing's done, we have a sink. Now let's fix the format and set up the
     284                 :            :      * sample spec */
     285                 :            : 
     286                 :            :     /* If something didn't pick a format for us, pick the top-most format since
     287                 :            :      * we assume this is sorted in priority order */
     288 [ #  # ][ #  # ]:          0 :     if (!data->format && data->nego_formats && !pa_idxset_isempty(data->nego_formats))
                 [ #  # ]
     289                 :          0 :         data->format = pa_format_info_copy(pa_idxset_first(data->nego_formats, NULL));
     290                 :            : 
     291         [ #  # ]:          0 :     pa_return_val_if_fail(data->format, -PA_ERR_NOTSUPPORTED);
     292                 :            : 
     293                 :            :     /* Now populate the sample spec and format according to the final
     294                 :            :      * format that we've negotiated */
     295         [ #  # ]:          0 :     pa_return_val_if_fail(pa_format_info_to_sample_spec(data->format, &ss, &map) == 0, -PA_ERR_INVALID);
     296                 :          0 :     pa_sink_input_new_data_set_sample_spec(data, &ss);
     297 [ #  # ][ #  # ]:          0 :     if (pa_format_info_is_pcm(data->format) && pa_channel_map_valid(&map))
     298                 :          0 :         pa_sink_input_new_data_set_channel_map(data, &map);
     299                 :            : 
     300         [ #  # ]:          0 :     pa_return_val_if_fail(PA_SINK_IS_LINKED(pa_sink_get_state(data->sink)), -PA_ERR_BADSTATE);
     301 [ #  # ][ #  # ]:          0 :     pa_return_val_if_fail(!data->sync_base || (data->sync_base->sink == data->sink && pa_sink_input_get_state(data->sync_base) == PA_SINK_INPUT_CORKED), -PA_ERR_INVALID);
         [ #  # ][ #  # ]
     302                 :            : 
     303                 :          0 :     r = check_passthrough_connection(pa_sink_input_new_data_is_passthrough(data), data->sink);
     304         [ #  # ]:          0 :     if (r != PA_OK)
     305                 :            :         return r;
     306                 :            : 
     307         [ #  # ]:          0 :     if (!data->sample_spec_is_set)
     308                 :          0 :         data->sample_spec = data->sink->sample_spec;
     309                 :            : 
     310         [ #  # ]:          0 :     pa_return_val_if_fail(pa_sample_spec_valid(&data->sample_spec), -PA_ERR_INVALID);
     311                 :            : 
     312         [ #  # ]:          0 :     if (!data->channel_map_is_set) {
     313         [ #  # ]:          0 :         if (pa_channel_map_compatible(&data->sink->channel_map, &data->sample_spec))
     314                 :          0 :             data->channel_map = data->sink->channel_map;
     315                 :            :         else
     316                 :          0 :             pa_channel_map_init_extend(&data->channel_map, data->sample_spec.channels, PA_CHANNEL_MAP_DEFAULT);
     317                 :            :     }
     318                 :            : 
     319         [ #  # ]:          0 :     pa_return_val_if_fail(pa_channel_map_compatible(&data->channel_map, &data->sample_spec), -PA_ERR_INVALID);
     320                 :            : 
     321                 :            :     /* Don't restore (or save) stream volume for passthrough streams and
     322                 :            :      * prevent attenuation/gain */
     323         [ #  # ]:          0 :     if (pa_sink_input_new_data_is_passthrough(data)) {
     324                 :          0 :         data->volume_is_set = TRUE;
     325                 :          0 :         pa_cvolume_reset(&data->volume, data->sample_spec.channels);
     326                 :          0 :         data->volume_is_absolute = TRUE;
     327                 :          0 :         data->save_volume = FALSE;
     328                 :            :     }
     329                 :            : 
     330         [ #  # ]:          0 :     if (!data->volume_is_set) {
     331                 :          0 :         pa_cvolume_reset(&data->volume, data->sample_spec.channels);
     332                 :          0 :         data->volume_is_absolute = FALSE;
     333                 :          0 :         data->save_volume = FALSE;
     334                 :            :     }
     335                 :            : 
     336         [ #  # ]:          0 :     pa_return_val_if_fail(pa_cvolume_compatible(&data->volume, &data->sample_spec), -PA_ERR_INVALID);
     337                 :            : 
     338         [ #  # ]:          0 :     if (!data->volume_factor_is_set)
     339                 :          0 :         pa_cvolume_reset(&data->volume_factor, data->sample_spec.channels);
     340                 :            : 
     341         [ #  # ]:          0 :     pa_return_val_if_fail(pa_cvolume_compatible(&data->volume_factor, &data->sample_spec), -PA_ERR_INVALID);
     342                 :            : 
     343         [ #  # ]:          0 :     if (!data->volume_factor_sink_is_set)
     344                 :          0 :         pa_cvolume_reset(&data->volume_factor_sink, data->sink->sample_spec.channels);
     345                 :            : 
     346         [ #  # ]:          0 :     pa_return_val_if_fail(pa_cvolume_compatible(&data->volume_factor_sink, &data->sink->sample_spec), -PA_ERR_INVALID);
     347                 :            : 
     348         [ #  # ]:          0 :     if (!data->muted_is_set)
     349                 :          0 :         data->muted = FALSE;
     350                 :            : 
     351         [ #  # ]:          0 :     if (data->flags & PA_SINK_INPUT_FIX_FORMAT)
     352                 :          0 :         data->sample_spec.format = data->sink->sample_spec.format;
     353                 :            : 
     354         [ #  # ]:          0 :     if (data->flags & PA_SINK_INPUT_FIX_RATE)
     355                 :          0 :         data->sample_spec.rate = data->sink->sample_spec.rate;
     356                 :            : 
     357                 :          0 :     original_cm = data->channel_map;
     358                 :            : 
     359         [ #  # ]:          0 :     if (data->flags & PA_SINK_INPUT_FIX_CHANNELS) {
     360                 :          0 :         data->sample_spec.channels = data->sink->sample_spec.channels;
     361                 :          0 :         data->channel_map = data->sink->channel_map;
     362                 :            :     }
     363                 :            : 
     364         [ #  # ]:          0 :     pa_assert(pa_sample_spec_valid(&data->sample_spec));
     365         [ #  # ]:          0 :     pa_assert(pa_channel_map_valid(&data->channel_map));
     366                 :            : 
     367   [ #  #  #  # ]:          0 :     if (!(data->flags & PA_SINK_INPUT_VARIABLE_RATE) &&
     368                 :          0 :         !pa_sample_spec_equal(&data->sample_spec, &data->sink->sample_spec)) {
     369                 :            :         /* try to change sink rate. This is done before the FIXATE hook since
     370                 :            :            module-suspend-on-idle can resume a sink */
     371                 :            : 
     372                 :          0 :         pa_log_info("Trying to change sample rate");
     373         [ #  # ]:          0 :         if (pa_sink_update_rate(data->sink, data->sample_spec.rate, pa_sink_input_new_data_is_passthrough(data)) == TRUE)
     374                 :          0 :             pa_log_info("Rate changed to %u Hz",
     375                 :            :                         data->sink->sample_spec.rate);
     376                 :            :         else
     377                 :          0 :             pa_log_info("Resampling enabled to %u Hz", data->sink->sample_spec.rate);
     378                 :            :     }
     379                 :            : 
     380                 :            :     /* Due to the fixing of the sample spec the volume might not match anymore */
     381                 :          0 :     pa_cvolume_remap(&data->volume, &original_cm, &data->channel_map);
     382                 :            : 
     383         [ #  # ]:          0 :     if (data->resample_method == PA_RESAMPLER_INVALID)
     384                 :          0 :         data->resample_method = core->resample_method;
     385                 :            : 
     386         [ #  # ]:          0 :     pa_return_val_if_fail(data->resample_method < PA_RESAMPLER_MAX, -PA_ERR_INVALID);
     387                 :            : 
     388         [ #  # ]:          0 :     if ((r = pa_hook_fire(&core->hooks[PA_CORE_HOOK_SINK_INPUT_FIXATE], data)) < 0)
     389                 :            :         return r;
     390                 :            : 
     391 [ #  # ][ #  # ]:          0 :     if ((data->flags & PA_SINK_INPUT_NO_CREATE_ON_SUSPEND) &&
     392                 :          0 :         pa_sink_get_state(data->sink) == PA_SINK_SUSPENDED) {
     393                 :          0 :         pa_log_warn("Failed to create sink input: sink is suspended.");
     394                 :          0 :         return -PA_ERR_BADSTATE;
     395                 :            :     }
     396                 :            : 
     397         [ #  # ]:          0 :     if (pa_idxset_size(data->sink->inputs) >= PA_MAX_INPUTS_PER_SINK) {
     398                 :          0 :         pa_log_warn("Failed to create sink input: too many inputs per sink.");
     399                 :          0 :         return -PA_ERR_TOOLARGE;
     400                 :            :     }
     401                 :            : 
     402   [ #  #  #  # ]:          0 :     if ((data->flags & PA_SINK_INPUT_VARIABLE_RATE) ||
     403         [ #  # ]:          0 :         !pa_sample_spec_equal(&data->sample_spec, &data->sink->sample_spec) ||
     404                 :          0 :         !pa_channel_map_equal(&data->channel_map, &data->sink->channel_map)) {
     405                 :            : 
     406                 :            :         /* Note: for passthrough content we need to adjust the output rate to that of the current sink-input */
     407         [ #  # ]:          0 :         if (!pa_sink_input_new_data_is_passthrough(data)) /* no resampler for passthrough content */
     408         [ #  # ]:          0 :             if (!(resampler = pa_resampler_new(
     409                 :            :                           core->mempool,
     410                 :          0 :                           &data->sample_spec, &data->channel_map,
     411                 :          0 :                           &data->sink->sample_spec, &data->sink->channel_map,
     412                 :            :                           data->resample_method,
     413                 :          0 :                           ((data->flags & PA_SINK_INPUT_VARIABLE_RATE) ? PA_RESAMPLER_VARIABLE_RATE : 0) |
     414         [ #  # ]:          0 :                           ((data->flags & PA_SINK_INPUT_NO_REMAP) ? PA_RESAMPLER_NO_REMAP : 0) |
     415 [ #  # ][ #  # ]:          0 :                           (core->disable_remixing || (data->flags & PA_SINK_INPUT_NO_REMIX) ? PA_RESAMPLER_NO_REMIX : 0) |
     416         [ #  # ]:          0 :                           (core->disable_lfe_remixing ? PA_RESAMPLER_NO_LFE : 0)))) {
     417                 :          0 :                 pa_log_warn("Unsupported resampling operation.");
     418                 :          0 :                 return -PA_ERR_NOTSUPPORTED;
     419                 :            :             }
     420                 :            :     }
     421                 :            : 
     422                 :          0 :     i = pa_msgobject_new(pa_sink_input);
     423                 :          0 :     i->parent.parent.free = sink_input_free;
     424                 :          0 :     i->parent.process_msg = pa_sink_input_process_msg;
     425                 :            : 
     426                 :          0 :     i->core = core;
     427                 :          0 :     i->state = PA_SINK_INPUT_INIT;
     428                 :          0 :     i->flags = data->flags;
     429                 :          0 :     i->proplist = pa_proplist_copy(data->proplist);
     430                 :          0 :     i->driver = pa_xstrdup(pa_path_get_filename(data->driver));
     431                 :          0 :     i->module = data->module;
     432                 :          0 :     i->sink = data->sink;
     433                 :          0 :     i->origin_sink = data->origin_sink;
     434                 :          0 :     i->client = data->client;
     435                 :            : 
     436                 :          0 :     i->requested_resample_method = data->resample_method;
     437         [ #  # ]:          0 :     i->actual_resample_method = resampler ? pa_resampler_get_method(resampler) : PA_RESAMPLER_INVALID;
     438                 :          0 :     i->sample_spec = data->sample_spec;
     439                 :          0 :     i->channel_map = data->channel_map;
     440                 :          0 :     i->format = pa_format_info_copy(data->format);
     441                 :            : 
     442 [ #  # ][ #  # ]:          0 :     if (!data->volume_is_absolute && pa_sink_flat_volume_enabled(i->sink)) {
     443                 :            :         pa_cvolume remapped;
     444                 :            : 
     445                 :            :         /* When the 'absolute' bool is not set then we'll treat the volume
     446                 :            :          * as relative to the sink volume even in flat volume mode */
     447                 :          0 :         remapped = data->sink->reference_volume;
     448                 :          0 :         pa_cvolume_remap(&remapped, &data->sink->channel_map, &data->channel_map);
     449                 :          0 :         pa_sw_cvolume_multiply(&i->volume, &data->volume, &remapped);
     450                 :            :     } else
     451                 :          0 :         i->volume = data->volume;
     452                 :            : 
     453                 :          0 :     i->volume_factor = data->volume_factor;
     454                 :          0 :     i->volume_factor_sink = data->volume_factor_sink;
     455                 :          0 :     i->real_ratio = i->reference_ratio = data->volume;
     456                 :          0 :     pa_cvolume_reset(&i->soft_volume, i->sample_spec.channels);
     457                 :          0 :     pa_cvolume_reset(&i->real_ratio, i->sample_spec.channels);
     458                 :          0 :     i->volume_writable = data->volume_writable;
     459                 :          0 :     i->save_volume = data->save_volume;
     460                 :          0 :     i->save_sink = data->save_sink;
     461                 :          0 :     i->save_muted = data->save_muted;
     462                 :            : 
     463                 :          0 :     i->muted = data->muted;
     464                 :            : 
     465         [ #  # ]:          0 :     if (data->sync_base) {
     466                 :          0 :         i->sync_next = data->sync_base->sync_next;
     467                 :          0 :         i->sync_prev = data->sync_base;
     468                 :            : 
     469         [ #  # ]:          0 :         if (data->sync_base->sync_next)
     470                 :          0 :             data->sync_base->sync_next->sync_prev = i;
     471                 :          0 :         data->sync_base->sync_next = i;
     472                 :            :     } else
     473                 :          0 :         i->sync_next = i->sync_prev = NULL;
     474                 :            : 
     475                 :          0 :     i->direct_outputs = pa_idxset_new(NULL, NULL);
     476                 :            : 
     477                 :          0 :     reset_callbacks(i);
     478                 :          0 :     i->userdata = NULL;
     479                 :            : 
     480                 :          0 :     i->thread_info.state = i->state;
     481                 :          0 :     i->thread_info.attached = FALSE;
     482                 :          0 :     pa_atomic_store(&i->thread_info.drained, 1);
     483                 :          0 :     i->thread_info.sample_spec = i->sample_spec;
     484                 :          0 :     i->thread_info.resampler = resampler;
     485                 :          0 :     i->thread_info.soft_volume = i->soft_volume;
     486                 :          0 :     i->thread_info.muted = i->muted;
     487                 :          0 :     i->thread_info.requested_sink_latency = (pa_usec_t) -1;
     488                 :          0 :     i->thread_info.rewrite_nbytes = 0;
     489                 :          0 :     i->thread_info.rewrite_flush = FALSE;
     490                 :          0 :     i->thread_info.dont_rewind_render = FALSE;
     491                 :          0 :     i->thread_info.underrun_for = (uint64_t) -1;
     492                 :          0 :     i->thread_info.playing_for = 0;
     493                 :          0 :     i->thread_info.direct_outputs = pa_hashmap_new(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func);
     494                 :            : 
     495         [ #  # ]:          0 :     pa_assert_se(pa_idxset_put(core->sink_inputs, i, &i->index) == 0);
     496         [ #  # ]:          0 :     pa_assert_se(pa_idxset_put(i->sink->inputs, pa_sink_input_ref(i), NULL) == 0);
     497                 :            : 
     498         [ #  # ]:          0 :     if (i->client)
     499         [ #  # ]:          0 :         pa_assert_se(pa_idxset_put(i->client->sink_inputs, i, NULL) >= 0);
     500                 :            : 
     501                 :          0 :     memblockq_name = pa_sprintf_malloc("sink input render_memblockq [%u]", i->index);
     502                 :          0 :     i->thread_info.render_memblockq = pa_memblockq_new(
     503                 :            :             memblockq_name,
     504                 :            :             0,
     505                 :            :             MEMBLOCKQ_MAXLENGTH,
     506                 :            :             0,
     507                 :          0 :             &i->sink->sample_spec,
     508                 :            :             0,
     509                 :            :             1,
     510                 :            :             0,
     511                 :          0 :             &i->sink->silence);
     512                 :          0 :     pa_xfree(memblockq_name);
     513                 :            : 
     514                 :          0 :     pt = pa_proplist_to_string_sep(i->proplist, "\n    ");
     515                 :          0 :     pa_log_info("Created input %u \"%s\" on %s with sample spec %s and channel map %s\n    %s",
     516                 :            :                 i->index,
     517                 :            :                 pa_strnull(pa_proplist_gets(i->proplist, PA_PROP_MEDIA_NAME)),
     518                 :            :                 i->sink->name,
     519                 :            :                 pa_sample_spec_snprint(st, sizeof(st), &i->sample_spec),
     520                 :            :                 pa_channel_map_snprint(cm, sizeof(cm), &i->channel_map),
     521                 :            :                 pt);
     522                 :          0 :     pa_xfree(pt);
     523                 :            : 
     524                 :            :     /* Don't forget to call pa_sink_input_put! */
     525                 :            : 
     526                 :          0 :     *_i = i;
     527                 :          0 :     return 0;
     528                 :            : }
     529                 :            : 
     530                 :            : /* Called from main context */
     531                 :          0 : static void update_n_corked(pa_sink_input *i, pa_sink_input_state_t state) {
     532         [ #  # ]:          0 :     pa_assert(i);
     533         [ #  # ]:          0 :     pa_assert_ctl_context();
     534                 :            : 
     535         [ #  # ]:          0 :     if (!i->sink)
     536                 :          0 :         return;
     537                 :            : 
     538         [ #  # ]:          0 :     if (i->state == PA_SINK_INPUT_CORKED && state != PA_SINK_INPUT_CORKED)
     539         [ #  # ]:          0 :         pa_assert_se(i->sink->n_corked -- >= 1);
     540         [ #  # ]:          0 :     else if (i->state != PA_SINK_INPUT_CORKED && state == PA_SINK_INPUT_CORKED)
     541                 :          0 :         i->sink->n_corked++;
     542                 :            : }
     543                 :            : 
     544                 :            : /* Called from main context */
     545                 :          0 : static void sink_input_set_state(pa_sink_input *i, pa_sink_input_state_t state) {
     546                 :            :     pa_sink_input *ssync;
     547         [ #  # ]:          0 :     pa_assert(i);
     548         [ #  # ]:          0 :     pa_assert_ctl_context();
     549                 :            : 
     550         [ #  # ]:          0 :     if (state == PA_SINK_INPUT_DRAINED)
     551                 :          0 :         state = PA_SINK_INPUT_RUNNING;
     552                 :            : 
     553         [ #  # ]:          0 :     if (i->state == state)
     554                 :          0 :         return;
     555                 :            : 
     556         [ #  # ]:          0 :     if (i->state == PA_SINK_INPUT_CORKED && state == PA_SINK_INPUT_RUNNING && pa_sink_used_by(i->sink) == 0 &&
           [ #  #  #  # ]
     557                 :          0 :         !pa_sample_spec_equal(&i->sample_spec, &i->sink->sample_spec)) {
     558                 :            :         /* We were uncorked and the sink was not playing anything -- let's try
     559                 :            :          * to update the sample rate to avoid resampling */
     560                 :          0 :         pa_sink_update_rate(i->sink, i->sample_spec.rate, pa_sink_input_is_passthrough(i));
     561                 :            :     }
     562                 :            : 
     563         [ #  # ]:          0 :     pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) == 0);
     564                 :            : 
     565                 :          0 :     update_n_corked(i, state);
     566                 :          0 :     i->state = state;
     567                 :            : 
     568         [ #  # ]:          0 :     for (ssync = i->sync_prev; ssync; ssync = ssync->sync_prev) {
     569                 :          0 :         update_n_corked(ssync, state);
     570                 :          0 :         ssync->state = state;
     571                 :            :     }
     572         [ #  # ]:          0 :     for (ssync = i->sync_next; ssync; ssync = ssync->sync_next) {
     573                 :          0 :         update_n_corked(ssync, state);
     574                 :          0 :         ssync->state = state;
     575                 :            :     }
     576                 :            : 
     577         [ #  # ]:          0 :     if (state != PA_SINK_INPUT_UNLINKED) {
     578                 :          0 :         pa_hook_fire(&i->core->hooks[PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED], i);
     579                 :            : 
     580         [ #  # ]:          0 :         for (ssync = i->sync_prev; ssync; ssync = ssync->sync_prev)
     581                 :          0 :             pa_hook_fire(&i->core->hooks[PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED], ssync);
     582                 :            : 
     583         [ #  # ]:          0 :         for (ssync = i->sync_next; ssync; ssync = ssync->sync_next)
     584                 :          0 :             pa_hook_fire(&i->core->hooks[PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED], ssync);
     585                 :            : 
     586         [ #  # ]:          0 :         if (PA_SINK_INPUT_IS_LINKED(state))
     587                 :          0 :             pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
     588                 :            :     }
     589                 :            : 
     590                 :          0 :     pa_sink_update_status(i->sink);
     591                 :            : }
     592                 :            : 
     593                 :            : /* Called from main context */
     594                 :          0 : void pa_sink_input_unlink(pa_sink_input *i) {
     595                 :            :     pa_bool_t linked;
     596                 :          0 :     pa_source_output *o, *p = NULL;
     597                 :            : 
     598         [ #  # ]:          0 :     pa_assert(i);
     599         [ #  # ]:          0 :     pa_assert_ctl_context();
     600                 :            : 
     601                 :            :     /* See pa_sink_unlink() for a couple of comments how this function
     602                 :            :      * works */
     603                 :            : 
     604                 :          0 :     pa_sink_input_ref(i);
     605                 :            : 
     606                 :          0 :     linked = PA_SINK_INPUT_IS_LINKED(i->state);
     607                 :            : 
     608         [ #  # ]:          0 :     if (linked)
     609                 :          0 :         pa_hook_fire(&i->core->hooks[PA_CORE_HOOK_SINK_INPUT_UNLINK], i);
     610                 :            : 
     611         [ #  # ]:          0 :     if (i->sync_prev)
     612                 :          0 :         i->sync_prev->sync_next = i->sync_next;
     613         [ #  # ]:          0 :     if (i->sync_next)
     614                 :          0 :         i->sync_next->sync_prev = i->sync_prev;
     615                 :            : 
     616                 :          0 :     i->sync_prev = i->sync_next = NULL;
     617                 :            : 
     618                 :          0 :     pa_idxset_remove_by_data(i->core->sink_inputs, i, NULL);
     619                 :            : 
     620         [ #  # ]:          0 :     if (i->sink)
     621         [ #  # ]:          0 :         if (pa_idxset_remove_by_data(i->sink->inputs, i, NULL))
     622                 :          0 :             pa_sink_input_unref(i);
     623                 :            : 
     624         [ #  # ]:          0 :     if (i->client)
     625                 :          0 :         pa_idxset_remove_by_data(i->client->sink_inputs, i, NULL);
     626                 :            : 
     627         [ #  # ]:          0 :     while ((o = pa_idxset_first(i->direct_outputs, NULL))) {
     628         [ #  # ]:          0 :         pa_assert(o != p);
     629                 :          0 :         pa_source_output_kill(o);
     630                 :          0 :         p = o;
     631                 :            :     }
     632                 :            : 
     633                 :          0 :     update_n_corked(i, PA_SINK_INPUT_UNLINKED);
     634                 :          0 :     i->state = PA_SINK_INPUT_UNLINKED;
     635                 :            : 
     636 [ #  # ][ #  # ]:          0 :     if (linked && i->sink) {
     637         [ #  # ]:          0 :         if (pa_sink_input_is_passthrough(i))
     638                 :          0 :             pa_sink_leave_passthrough(i->sink);
     639                 :            : 
     640                 :            :         /* We might need to update the sink's volume if we are in flat volume mode. */
     641         [ #  # ]:          0 :         if (pa_sink_flat_volume_enabled(i->sink))
     642                 :          0 :             pa_sink_set_volume(i->sink, NULL, FALSE, FALSE);
     643                 :            : 
     644         [ #  # ]:          0 :         if (i->sink->asyncmsgq)
     645         [ #  # ]:          0 :             pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_REMOVE_INPUT, i, 0, NULL) == 0);
     646                 :            :     }
     647                 :            : 
     648                 :          0 :     reset_callbacks(i);
     649                 :            : 
     650         [ #  # ]:          0 :     if (linked) {
     651                 :          0 :         pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_REMOVE, i->index);
     652                 :          0 :         pa_hook_fire(&i->core->hooks[PA_CORE_HOOK_SINK_INPUT_UNLINK_POST], i);
     653                 :            :     }
     654                 :            : 
     655         [ #  # ]:          0 :     if (i->sink) {
     656         [ #  # ]:          0 :         if (PA_SINK_IS_LINKED(pa_sink_get_state(i->sink)))
     657                 :          0 :             pa_sink_update_status(i->sink);
     658                 :            : 
     659                 :          0 :         i->sink = NULL;
     660                 :            :     }
     661                 :            : 
     662                 :          0 :     pa_core_maybe_vacuum(i->core);
     663                 :            : 
     664                 :          0 :     pa_sink_input_unref(i);
     665                 :          0 : }
     666                 :            : 
     667                 :            : /* Called from main context */
     668                 :          0 : static void sink_input_free(pa_object *o) {
     669                 :          0 :     pa_sink_input* i = PA_SINK_INPUT(o);
     670                 :            : 
     671         [ #  # ]:          0 :     pa_assert(i);
     672         [ #  # ]:          0 :     pa_assert_ctl_context();
     673         [ #  # ]:          0 :     pa_assert(pa_sink_input_refcnt(i) == 0);
     674                 :            : 
     675         [ #  # ]:          0 :     if (PA_SINK_INPUT_IS_LINKED(i->state))
     676                 :          0 :         pa_sink_input_unlink(i);
     677                 :            : 
     678                 :          0 :     pa_log_info("Freeing input %u \"%s\"", i->index, pa_strnull(pa_proplist_gets(i->proplist, PA_PROP_MEDIA_NAME)));
     679                 :            : 
     680                 :            :     /* Side note: this function must be able to destruct properly any
     681                 :            :      * kind of sink input in any state, even those which are
     682                 :            :      * "half-moved" or are connected to sinks that have no asyncmsgq
     683                 :            :      * and are hence half-destructed themselves! */
     684                 :            : 
     685         [ #  # ]:          0 :     if (i->thread_info.render_memblockq)
     686                 :          0 :         pa_memblockq_free(i->thread_info.render_memblockq);
     687                 :            : 
     688         [ #  # ]:          0 :     if (i->thread_info.resampler)
     689                 :          0 :         pa_resampler_free(i->thread_info.resampler);
     690                 :            : 
     691         [ #  # ]:          0 :     if (i->format)
     692                 :          0 :         pa_format_info_free(i->format);
     693                 :            : 
     694         [ #  # ]:          0 :     if (i->proplist)
     695                 :          0 :         pa_proplist_free(i->proplist);
     696                 :            : 
     697         [ #  # ]:          0 :     if (i->direct_outputs)
     698                 :          0 :         pa_idxset_free(i->direct_outputs, NULL, NULL);
     699                 :            : 
     700         [ #  # ]:          0 :     if (i->thread_info.direct_outputs)
     701                 :          0 :         pa_hashmap_free(i->thread_info.direct_outputs, NULL, NULL);
     702                 :            : 
     703                 :          0 :     pa_xfree(i->driver);
     704                 :          0 :     pa_xfree(i);
     705                 :          0 : }
     706                 :            : 
     707                 :            : /* Called from main context */
     708                 :          0 : void pa_sink_input_put(pa_sink_input *i) {
     709                 :            :     pa_sink_input_state_t state;
     710                 :            : 
     711                 :          0 :     pa_sink_input_assert_ref(i);
     712         [ #  # ]:          0 :     pa_assert_ctl_context();
     713                 :            : 
     714         [ #  # ]:          0 :     pa_assert(i->state == PA_SINK_INPUT_INIT);
     715                 :            : 
     716                 :            :     /* The following fields must be initialized properly */
     717         [ #  # ]:          0 :     pa_assert(i->pop);
     718         [ #  # ]:          0 :     pa_assert(i->process_rewind);
     719         [ #  # ]:          0 :     pa_assert(i->kill);
     720                 :            : 
     721         [ #  # ]:          0 :     state = i->flags & PA_SINK_INPUT_START_CORKED ? PA_SINK_INPUT_CORKED : PA_SINK_INPUT_RUNNING;
     722                 :            : 
     723                 :          0 :     update_n_corked(i, state);
     724                 :          0 :     i->state = state;
     725                 :            : 
     726                 :            :     /* We might need to update the sink's volume if we are in flat volume mode. */
     727         [ #  # ]:          0 :     if (pa_sink_flat_volume_enabled(i->sink))
     728                 :          0 :         pa_sink_set_volume(i->sink, NULL, FALSE, i->save_volume);
     729                 :            :     else {
     730 [ #  # ][ #  # ]:          0 :         if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
     731         [ #  # ]:          0 :             pa_assert(pa_cvolume_is_norm(&i->volume));
     732         [ #  # ]:          0 :             pa_assert(pa_cvolume_is_norm(&i->reference_ratio));
     733                 :            :         }
     734                 :            : 
     735                 :          0 :         set_real_ratio(i, &i->volume);
     736                 :            :     }
     737                 :            : 
     738         [ #  # ]:          0 :     if (pa_sink_input_is_passthrough(i))
     739                 :          0 :         pa_sink_enter_passthrough(i->sink);
     740                 :            : 
     741                 :          0 :     i->thread_info.soft_volume = i->soft_volume;
     742                 :          0 :     i->thread_info.muted = i->muted;
     743                 :            : 
     744         [ #  # ]:          0 :     pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_ADD_INPUT, i, 0, NULL) == 0);
     745                 :            : 
     746                 :          0 :     pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_NEW, i->index);
     747                 :          0 :     pa_hook_fire(&i->core->hooks[PA_CORE_HOOK_SINK_INPUT_PUT], i);
     748                 :            : 
     749                 :          0 :     pa_sink_update_status(i->sink);
     750                 :          0 : }
     751                 :            : 
     752                 :            : /* Called from main context */
     753                 :          0 : void pa_sink_input_kill(pa_sink_input*i) {
     754                 :          0 :     pa_sink_input_assert_ref(i);
     755         [ #  # ]:          0 :     pa_assert_ctl_context();
     756         [ #  # ]:          0 :     pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
     757                 :            : 
     758                 :          0 :     i->kill(i);
     759                 :          0 : }
     760                 :            : 
     761                 :            : /* Called from main context */
     762                 :          0 : pa_usec_t pa_sink_input_get_latency(pa_sink_input *i, pa_usec_t *sink_latency) {
     763                 :          0 :     pa_usec_t r[2] = { 0, 0 };
     764                 :            : 
     765                 :          0 :     pa_sink_input_assert_ref(i);
     766         [ #  # ]:          0 :     pa_assert_ctl_context();
     767         [ #  # ]:          0 :     pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
     768                 :            : 
     769         [ #  # ]:          0 :     pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_GET_LATENCY, r, 0, NULL) == 0);
     770                 :            : 
     771         [ #  # ]:          0 :     if (i->get_latency)
     772                 :          0 :         r[0] += i->get_latency(i);
     773                 :            : 
     774         [ #  # ]:          0 :     if (sink_latency)
     775                 :          0 :         *sink_latency = r[1];
     776                 :            : 
     777                 :          0 :     return r[0];
     778                 :            : }
     779                 :            : 
     780                 :            : /* Called from thread context */
     781                 :          0 : void pa_sink_input_peek(pa_sink_input *i, size_t slength /* in sink frames */, pa_memchunk *chunk, pa_cvolume *volume) {
     782                 :            :     pa_bool_t do_volume_adj_here, need_volume_factor_sink;
     783                 :            :     pa_bool_t volume_is_norm;
     784                 :            :     size_t block_size_max_sink, block_size_max_sink_input;
     785                 :            :     size_t ilength;
     786                 :            : 
     787                 :          0 :     pa_sink_input_assert_ref(i);
     788 [ #  # ][ #  # ]:          0 :     pa_sink_input_assert_io_context(i);
     789         [ #  # ]:          0 :     pa_assert(PA_SINK_INPUT_IS_LINKED(i->thread_info.state));
     790         [ #  # ]:          0 :     pa_assert(pa_frame_aligned(slength, &i->sink->sample_spec));
     791         [ #  # ]:          0 :     pa_assert(chunk);
     792         [ #  # ]:          0 :     pa_assert(volume);
     793                 :            : 
     794                 :            : #ifdef SINK_INPUT_DEBUG
     795                 :            :     pa_log_debug("peek");
     796                 :            : #endif
     797                 :            : 
     798                 :          0 :     block_size_max_sink_input = i->thread_info.resampler ?
     799         [ #  # ]:          0 :         pa_resampler_max_block_size(i->thread_info.resampler) :
     800                 :          0 :         pa_frame_align(pa_mempool_block_size_max(i->core->mempool), &i->sample_spec);
     801                 :            : 
     802                 :          0 :     block_size_max_sink = pa_frame_align(pa_mempool_block_size_max(i->core->mempool), &i->sink->sample_spec);
     803                 :            : 
     804                 :            :     /* Default buffer size */
     805         [ #  # ]:          0 :     if (slength <= 0)
     806                 :          0 :         slength = pa_frame_align(CONVERT_BUFFER_LENGTH, &i->sink->sample_spec);
     807                 :            : 
     808         [ #  # ]:          0 :     if (slength > block_size_max_sink)
     809                 :          0 :         slength = block_size_max_sink;
     810                 :            : 
     811         [ #  # ]:          0 :     if (i->thread_info.resampler) {
     812                 :          0 :         ilength = pa_resampler_request(i->thread_info.resampler, slength);
     813                 :            : 
     814         [ #  # ]:          0 :         if (ilength <= 0)
     815                 :          0 :             ilength = pa_frame_align(CONVERT_BUFFER_LENGTH, &i->sample_spec);
     816                 :            :     } else
     817                 :            :         ilength = slength;
     818                 :            : 
     819         [ #  # ]:          0 :     if (ilength > block_size_max_sink_input)
     820                 :          0 :         ilength = block_size_max_sink_input;
     821                 :            : 
     822                 :            :     /* If the channel maps of the sink and this stream differ, we need
     823                 :            :      * to adjust the volume *before* we resample. Otherwise we can do
     824                 :            :      * it after and leave it for the sink code */
     825                 :            : 
     826                 :          0 :     do_volume_adj_here = !pa_channel_map_equal(&i->channel_map, &i->sink->channel_map);
     827 [ #  # ][ #  # ]:          0 :     volume_is_norm = pa_cvolume_is_norm(&i->thread_info.soft_volume) && !i->thread_info.muted;
     828                 :          0 :     need_volume_factor_sink = !pa_cvolume_is_norm(&i->volume_factor_sink);
     829                 :            : 
     830         [ #  # ]:          0 :     while (!pa_memblockq_is_readable(i->thread_info.render_memblockq)) {
     831                 :            :         pa_memchunk tchunk;
     832                 :            : 
     833                 :            :         /* There's nothing in our render queue. We need to fill it up
     834                 :            :          * with data from the implementor. */
     835                 :            : 
     836   [ #  #  #  # ]:          0 :         if (i->thread_info.state == PA_SINK_INPUT_CORKED ||
     837                 :          0 :             i->pop(i, ilength, &tchunk) < 0) {
     838                 :            : 
     839                 :            :             /* OK, we're corked or the implementor didn't give us any
     840                 :            :              * data, so let's just hand out silence */
     841                 :          0 :             pa_atomic_store(&i->thread_info.drained, 1);
     842                 :            : 
     843                 :          0 :             pa_memblockq_seek(i->thread_info.render_memblockq, (int64_t) slength, PA_SEEK_RELATIVE, TRUE);
     844                 :          0 :             i->thread_info.playing_for = 0;
     845         [ #  # ]:          0 :             if (i->thread_info.underrun_for != (uint64_t) -1)
     846                 :          0 :                 i->thread_info.underrun_for += ilength;
     847                 :            :             break;
     848                 :            :         }
     849                 :            : 
     850                 :          0 :         pa_atomic_store(&i->thread_info.drained, 0);
     851                 :            : 
     852         [ #  # ]:          0 :         pa_assert(tchunk.length > 0);
     853         [ #  # ]:          0 :         pa_assert(tchunk.memblock);
     854                 :            : 
     855                 :          0 :         i->thread_info.underrun_for = 0;
     856                 :          0 :         i->thread_info.playing_for += tchunk.length;
     857                 :            : 
     858         [ #  # ]:          0 :         while (tchunk.length > 0) {
     859                 :            :             pa_memchunk wchunk;
     860                 :          0 :             pa_bool_t nvfs = need_volume_factor_sink;
     861                 :            : 
     862                 :          0 :             wchunk = tchunk;
     863                 :          0 :             pa_memblock_ref(wchunk.memblock);
     864                 :            : 
     865         [ #  # ]:          0 :             if (wchunk.length > block_size_max_sink_input)
     866                 :          0 :                 wchunk.length = block_size_max_sink_input;
     867                 :            : 
     868                 :            :             /* It might be necessary to adjust the volume here */
     869 [ #  # ][ #  # ]:          0 :             if (do_volume_adj_here && !volume_is_norm) {
     870                 :          0 :                 pa_memchunk_make_writable(&wchunk, 0);
     871                 :            : 
     872         [ #  # ]:          0 :                 if (i->thread_info.muted) {
     873                 :          0 :                     pa_silence_memchunk(&wchunk, &i->thread_info.sample_spec);
     874                 :          0 :                     nvfs = FALSE;
     875                 :            : 
     876 [ #  # ][ #  # ]:          0 :                 } else if (!i->thread_info.resampler && nvfs) {
     877                 :            :                     pa_cvolume v;
     878                 :            : 
     879                 :            :                     /* If we don't need a resampler we can merge the
     880                 :            :                      * post and the pre volume adjustment into one */
     881                 :            : 
     882                 :          0 :                     pa_sw_cvolume_multiply(&v, &i->thread_info.soft_volume, &i->volume_factor_sink);
     883                 :          0 :                     pa_volume_memchunk(&wchunk, &i->thread_info.sample_spec, &v);
     884                 :          0 :                     nvfs = FALSE;
     885                 :            : 
     886                 :            :                 } else
     887                 :          0 :                     pa_volume_memchunk(&wchunk, &i->thread_info.sample_spec, &i->thread_info.soft_volume);
     888                 :            :             }
     889                 :            : 
     890         [ #  # ]:          0 :             if (!i->thread_info.resampler) {
     891                 :            : 
     892         [ #  # ]:          0 :                 if (nvfs) {
     893                 :          0 :                     pa_memchunk_make_writable(&wchunk, 0);
     894                 :          0 :                     pa_volume_memchunk(&wchunk, &i->sink->sample_spec, &i->volume_factor_sink);
     895                 :            :                 }
     896                 :            : 
     897                 :          0 :                 pa_memblockq_push_align(i->thread_info.render_memblockq, &wchunk);
     898                 :            :             } else {
     899                 :            :                 pa_memchunk rchunk;
     900                 :          0 :                 pa_resampler_run(i->thread_info.resampler, &wchunk, &rchunk);
     901                 :            : 
     902                 :            : #ifdef SINK_INPUT_DEBUG
     903                 :            :                 pa_log_debug("pushing %lu", (unsigned long) rchunk.length);
     904                 :            : #endif
     905                 :            : 
     906         [ #  # ]:          0 :                 if (rchunk.memblock) {
     907                 :            : 
     908         [ #  # ]:          0 :                     if (nvfs) {
     909                 :          0 :                         pa_memchunk_make_writable(&rchunk, 0);
     910                 :          0 :                         pa_volume_memchunk(&rchunk, &i->sink->sample_spec, &i->volume_factor_sink);
     911                 :            :                     }
     912                 :            : 
     913                 :          0 :                     pa_memblockq_push_align(i->thread_info.render_memblockq, &rchunk);
     914                 :          0 :                     pa_memblock_unref(rchunk.memblock);
     915                 :            :                 }
     916                 :            :             }
     917                 :            : 
     918                 :          0 :             pa_memblock_unref(wchunk.memblock);
     919                 :            : 
     920                 :          0 :             tchunk.index += wchunk.length;
     921                 :          0 :             tchunk.length -= wchunk.length;
     922                 :            :         }
     923                 :            : 
     924                 :          0 :         pa_memblock_unref(tchunk.memblock);
     925                 :            :     }
     926                 :            : 
     927         [ #  # ]:          0 :     pa_assert_se(pa_memblockq_peek(i->thread_info.render_memblockq, chunk) >= 0);
     928                 :            : 
     929         [ #  # ]:          0 :     pa_assert(chunk->length > 0);
     930         [ #  # ]:          0 :     pa_assert(chunk->memblock);
     931                 :            : 
     932                 :            : #ifdef SINK_INPUT_DEBUG
     933                 :            :     pa_log_debug("peeking %lu", (unsigned long) chunk->length);
     934                 :            : #endif
     935                 :            : 
     936         [ #  # ]:          0 :     if (chunk->length > block_size_max_sink)
     937                 :          0 :         chunk->length = block_size_max_sink;
     938                 :            : 
     939                 :            :     /* Let's see if we had to apply the volume adjustment ourselves,
     940                 :            :      * or if this can be done by the sink for us */
     941                 :            : 
     942         [ #  # ]:          0 :     if (do_volume_adj_here)
     943                 :            :         /* We had different channel maps, so we already did the adjustment */
     944                 :          0 :         pa_cvolume_reset(volume, i->sink->sample_spec.channels);
     945         [ #  # ]:          0 :     else if (i->thread_info.muted)
     946                 :            :         /* We've both the same channel map, so let's have the sink do the adjustment for us*/
     947                 :          0 :         pa_cvolume_mute(volume, i->sink->sample_spec.channels);
     948                 :            :     else
     949                 :          0 :         *volume = i->thread_info.soft_volume;
     950                 :          0 : }
     951                 :            : 
     952                 :            : /* Called from thread context */
     953                 :          0 : void pa_sink_input_drop(pa_sink_input *i, size_t nbytes /* in sink sample spec */) {
     954                 :            : 
     955                 :          0 :     pa_sink_input_assert_ref(i);
     956 [ #  # ][ #  # ]:          0 :     pa_sink_input_assert_io_context(i);
     957         [ #  # ]:          0 :     pa_assert(PA_SINK_INPUT_IS_LINKED(i->thread_info.state));
     958         [ #  # ]:          0 :     pa_assert(pa_frame_aligned(nbytes, &i->sink->sample_spec));
     959         [ #  # ]:          0 :     pa_assert(nbytes > 0);
     960                 :            : 
     961                 :            : #ifdef SINK_INPUT_DEBUG
     962                 :            :     pa_log_debug("dropping %lu", (unsigned long) nbytes);
     963                 :            : #endif
     964                 :            : 
     965                 :          0 :     pa_memblockq_drop(i->thread_info.render_memblockq, nbytes);
     966                 :          0 : }
     967                 :            : 
     968                 :            : /* Called from thread context */
     969                 :          0 : void pa_sink_input_process_rewind(pa_sink_input *i, size_t nbytes /* in sink sample spec */) {
     970                 :            :     size_t lbq;
     971                 :          0 :     pa_bool_t called = FALSE;
     972                 :            : 
     973                 :          0 :     pa_sink_input_assert_ref(i);
     974 [ #  # ][ #  # ]:          0 :     pa_sink_input_assert_io_context(i);
     975         [ #  # ]:          0 :     pa_assert(PA_SINK_INPUT_IS_LINKED(i->thread_info.state));
     976         [ #  # ]:          0 :     pa_assert(pa_frame_aligned(nbytes, &i->sink->sample_spec));
     977                 :            : 
     978                 :            : #ifdef SINK_INPUT_DEBUG
     979                 :            :     pa_log_debug("rewind(%lu, %lu)", (unsigned long) nbytes, (unsigned long) i->thread_info.rewrite_nbytes);
     980                 :            : #endif
     981                 :            : 
     982                 :          0 :     lbq = pa_memblockq_get_length(i->thread_info.render_memblockq);
     983                 :            : 
     984 [ #  # ][ #  # ]:          0 :     if (nbytes > 0 && !i->thread_info.dont_rewind_render) {
     985                 :          0 :         pa_log_debug("Have to rewind %lu bytes on render memblockq.", (unsigned long) nbytes);
     986                 :          0 :         pa_memblockq_rewind(i->thread_info.render_memblockq, nbytes);
     987                 :            :     }
     988                 :            : 
     989         [ #  # ]:          0 :     if (i->thread_info.rewrite_nbytes == (size_t) -1) {
     990                 :            : 
     991                 :            :         /* We were asked to drop all buffered data, and rerequest new
     992                 :            :          * data from implementor the next time push() is called */
     993                 :            : 
     994                 :          0 :         pa_memblockq_flush_write(i->thread_info.render_memblockq, TRUE);
     995                 :            : 
     996         [ #  # ]:          0 :     } else if (i->thread_info.rewrite_nbytes > 0) {
     997                 :            :         size_t max_rewrite, amount;
     998                 :            : 
     999                 :            :         /* Calculate how much make sense to rewrite at most */
    1000                 :          0 :         max_rewrite = nbytes + lbq;
    1001                 :            : 
    1002                 :            :         /* Transform into local domain */
    1003         [ #  # ]:          0 :         if (i->thread_info.resampler)
    1004                 :          0 :             max_rewrite = pa_resampler_request(i->thread_info.resampler, max_rewrite);
    1005                 :            : 
    1006                 :            :         /* Calculate how much of the rewinded data should actually be rewritten */
    1007                 :          0 :         amount = PA_MIN(i->thread_info.rewrite_nbytes, max_rewrite);
    1008                 :            : 
    1009         [ #  # ]:          0 :         if (amount > 0) {
    1010                 :          0 :             pa_log_debug("Have to rewind %lu bytes on implementor.", (unsigned long) amount);
    1011                 :            : 
    1012                 :            :             /* Tell the implementor */
    1013         [ #  # ]:          0 :             if (i->process_rewind)
    1014                 :          0 :                 i->process_rewind(i, amount);
    1015                 :          0 :             called = TRUE;
    1016                 :            : 
    1017                 :            :             /* Convert back to to sink domain */
    1018         [ #  # ]:          0 :             if (i->thread_info.resampler)
    1019                 :          0 :                 amount = pa_resampler_result(i->thread_info.resampler, amount);
    1020                 :            : 
    1021         [ #  # ]:          0 :             if (amount > 0)
    1022                 :            :                 /* Ok, now update the write pointer */
    1023                 :          0 :                 pa_memblockq_seek(i->thread_info.render_memblockq, - ((int64_t) amount), PA_SEEK_RELATIVE, TRUE);
    1024                 :            : 
    1025         [ #  # ]:          0 :             if (i->thread_info.rewrite_flush)
    1026                 :          0 :                 pa_memblockq_silence(i->thread_info.render_memblockq);
    1027                 :            : 
    1028                 :            :             /* And reset the resampler */
    1029         [ #  # ]:          0 :             if (i->thread_info.resampler)
    1030                 :          0 :                 pa_resampler_reset(i->thread_info.resampler);
    1031                 :            :         }
    1032                 :            :     }
    1033                 :            : 
    1034         [ #  # ]:          0 :     if (!called)
    1035         [ #  # ]:          0 :         if (i->process_rewind)
    1036                 :          0 :             i->process_rewind(i, 0);
    1037                 :            : 
    1038                 :          0 :     i->thread_info.rewrite_nbytes = 0;
    1039                 :          0 :     i->thread_info.rewrite_flush = FALSE;
    1040                 :          0 :     i->thread_info.dont_rewind_render = FALSE;
    1041                 :          0 : }
    1042                 :            : 
    1043                 :            : /* Called from thread context */
    1044                 :          0 : size_t pa_sink_input_get_max_rewind(pa_sink_input *i) {
    1045                 :          0 :     pa_sink_input_assert_ref(i);
    1046 [ #  # ][ #  # ]:          0 :     pa_sink_input_assert_io_context(i);
    1047                 :            : 
    1048         [ #  # ]:          0 :     return i->thread_info.resampler ? pa_resampler_request(i->thread_info.resampler, i->sink->thread_info.max_rewind) : i->sink->thread_info.max_rewind;
    1049                 :            : }
    1050                 :            : 
    1051                 :            : /* Called from thread context */
    1052                 :          0 : size_t pa_sink_input_get_max_request(pa_sink_input *i) {
    1053                 :          0 :     pa_sink_input_assert_ref(i);
    1054 [ #  # ][ #  # ]:          0 :     pa_sink_input_assert_io_context(i);
    1055                 :            : 
    1056                 :            :     /* We're not verifying the status here, to allow this to be called
    1057                 :            :      * in the state change handler between _INIT and _RUNNING */
    1058                 :            : 
    1059         [ #  # ]:          0 :     return i->thread_info.resampler ? pa_resampler_request(i->thread_info.resampler, i->sink->thread_info.max_request) : i->sink->thread_info.max_request;
    1060                 :            : }
    1061                 :            : 
    1062                 :            : /* Called from thread context */
    1063                 :          0 : void pa_sink_input_update_max_rewind(pa_sink_input *i, size_t nbytes  /* in the sink's sample spec */) {
    1064                 :          0 :     pa_sink_input_assert_ref(i);
    1065 [ #  # ][ #  # ]:          0 :     pa_sink_input_assert_io_context(i);
    1066         [ #  # ]:          0 :     pa_assert(PA_SINK_INPUT_IS_LINKED(i->thread_info.state));
    1067         [ #  # ]:          0 :     pa_assert(pa_frame_aligned(nbytes, &i->sink->sample_spec));
    1068                 :            : 
    1069                 :          0 :     pa_memblockq_set_maxrewind(i->thread_info.render_memblockq, nbytes);
    1070                 :            : 
    1071         [ #  # ]:          0 :     if (i->update_max_rewind)
    1072         [ #  # ]:          0 :         i->update_max_rewind(i, i->thread_info.resampler ? pa_resampler_request(i->thread_info.resampler, nbytes) : nbytes);
    1073                 :          0 : }
    1074                 :            : 
    1075                 :            : /* Called from thread context */
    1076                 :          0 : void pa_sink_input_update_max_request(pa_sink_input *i, size_t nbytes  /* in the sink's sample spec */) {
    1077                 :          0 :     pa_sink_input_assert_ref(i);
    1078 [ #  # ][ #  # ]:          0 :     pa_sink_input_assert_io_context(i);
    1079         [ #  # ]:          0 :     pa_assert(PA_SINK_INPUT_IS_LINKED(i->thread_info.state));
    1080         [ #  # ]:          0 :     pa_assert(pa_frame_aligned(nbytes, &i->sink->sample_spec));
    1081                 :            : 
    1082         [ #  # ]:          0 :     if (i->update_max_request)
    1083         [ #  # ]:          0 :         i->update_max_request(i, i->thread_info.resampler ? pa_resampler_request(i->thread_info.resampler, nbytes) : nbytes);
    1084                 :          0 : }
    1085                 :            : 
    1086                 :            : /* Called from thread context */
    1087                 :          0 : pa_usec_t pa_sink_input_set_requested_latency_within_thread(pa_sink_input *i, pa_usec_t usec) {
    1088                 :          0 :     pa_sink_input_assert_ref(i);
    1089 [ #  # ][ #  # ]:          0 :     pa_sink_input_assert_io_context(i);
    1090                 :            : 
    1091         [ #  # ]:          0 :     if (!(i->sink->flags & PA_SINK_DYNAMIC_LATENCY))
    1092                 :          0 :         usec = i->sink->thread_info.fixed_latency;
    1093                 :            : 
    1094         [ #  # ]:          0 :     if (usec != (pa_usec_t) -1)
    1095         [ #  # ]:          0 :         usec = PA_CLAMP(usec, i->sink->thread_info.min_latency, i->sink->thread_info.max_latency);
    1096                 :            : 
    1097                 :          0 :     i->thread_info.requested_sink_latency = usec;
    1098                 :          0 :     pa_sink_invalidate_requested_latency(i->sink, TRUE);
    1099                 :            : 
    1100                 :          0 :     return usec;
    1101                 :            : }
    1102                 :            : 
    1103                 :            : /* Called from main context */
    1104                 :          0 : pa_usec_t pa_sink_input_set_requested_latency(pa_sink_input *i, pa_usec_t usec) {
    1105                 :          0 :     pa_sink_input_assert_ref(i);
    1106         [ #  # ]:          0 :     pa_assert_ctl_context();
    1107                 :            : 
    1108 [ #  # ][ #  # ]:          0 :     if (PA_SINK_INPUT_IS_LINKED(i->state) && i->sink) {
    1109         [ #  # ]:          0 :         pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
    1110                 :          0 :         return usec;
    1111                 :            :     }
    1112                 :            : 
    1113                 :            :     /* If this sink input is not realized yet or we are being moved,
    1114                 :            :      * we have to touch the thread info data directly */
    1115                 :            : 
    1116         [ #  # ]:          0 :     if (i->sink) {
    1117         [ #  # ]:          0 :         if (!(i->sink->flags & PA_SINK_DYNAMIC_LATENCY))
    1118                 :          0 :             usec = pa_sink_get_fixed_latency(i->sink);
    1119                 :            : 
    1120         [ #  # ]:          0 :         if (usec != (pa_usec_t) -1) {
    1121                 :            :             pa_usec_t min_latency, max_latency;
    1122                 :          0 :             pa_sink_get_latency_range(i->sink, &min_latency, &max_latency);
    1123         [ #  # ]:          0 :             usec = PA_CLAMP(usec, min_latency, max_latency);
    1124                 :            :         }
    1125                 :            :     }
    1126                 :            : 
    1127                 :          0 :     i->thread_info.requested_sink_latency = usec;
    1128                 :            : 
    1129                 :          0 :     return usec;
    1130                 :            : }
    1131                 :            : 
    1132                 :            : /* Called from main context */
    1133                 :          0 : pa_usec_t pa_sink_input_get_requested_latency(pa_sink_input *i) {
    1134                 :          0 :     pa_sink_input_assert_ref(i);
    1135         [ #  # ]:          0 :     pa_assert_ctl_context();
    1136                 :            : 
    1137 [ #  # ][ #  # ]:          0 :     if (PA_SINK_INPUT_IS_LINKED(i->state) && i->sink) {
    1138                 :          0 :         pa_usec_t usec = 0;
    1139         [ #  # ]:          0 :         pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_GET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
    1140                 :          0 :         return usec;
    1141                 :            :     }
    1142                 :            : 
    1143                 :            :     /* If this sink input is not realized yet or we are being moved,
    1144                 :            :      * we have to touch the thread info data directly */
    1145                 :            : 
    1146                 :          0 :     return i->thread_info.requested_sink_latency;
    1147                 :            : }
    1148                 :            : 
    1149                 :            : /* Called from main context */
    1150                 :          0 : void pa_sink_input_set_volume(pa_sink_input *i, const pa_cvolume *volume, pa_bool_t save, pa_bool_t absolute) {
    1151                 :            :     pa_cvolume v;
    1152                 :            : 
    1153                 :          0 :     pa_sink_input_assert_ref(i);
    1154         [ #  # ]:          0 :     pa_assert_ctl_context();
    1155         [ #  # ]:          0 :     pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
    1156         [ #  # ]:          0 :     pa_assert(volume);
    1157         [ #  # ]:          0 :     pa_assert(pa_cvolume_valid(volume));
    1158 [ #  # ][ #  # ]:          0 :     pa_assert(volume->channels == 1 || pa_cvolume_compatible(volume, &i->sample_spec));
    1159         [ #  # ]:          0 :     pa_assert(i->volume_writable);
    1160                 :            : 
    1161 [ #  # ][ #  # ]:          0 :     if (!absolute && pa_sink_flat_volume_enabled(i->sink)) {
    1162                 :          0 :         v = i->sink->reference_volume;
    1163                 :          0 :         pa_cvolume_remap(&v, &i->sink->channel_map, &i->channel_map);
    1164                 :            : 
    1165         [ #  # ]:          0 :         if (pa_cvolume_compatible(volume, &i->sample_spec))
    1166                 :          0 :             volume = pa_sw_cvolume_multiply(&v, &v, volume);
    1167                 :            :         else
    1168                 :          0 :             volume = pa_sw_cvolume_multiply_scalar(&v, &v, pa_cvolume_max(volume));
    1169                 :            :     } else {
    1170         [ #  # ]:          0 :         if (!pa_cvolume_compatible(volume, &i->sample_spec)) {
    1171                 :          0 :             v = i->volume;
    1172                 :          0 :             volume = pa_cvolume_scale(&v, pa_cvolume_max(volume));
    1173                 :            :         }
    1174                 :            :     }
    1175                 :            : 
    1176         [ #  # ]:          0 :     if (pa_cvolume_equal(volume, &i->volume)) {
    1177 [ #  # ][ #  # ]:          0 :         i->save_volume = i->save_volume || save;
    1178                 :          0 :         return;
    1179                 :            :     }
    1180                 :            : 
    1181                 :          0 :     i->volume = *volume;
    1182                 :          0 :     i->save_volume = save;
    1183                 :            : 
    1184         [ #  # ]:          0 :     if (pa_sink_flat_volume_enabled(i->sink)) {
    1185                 :            :         /* We are in flat volume mode, so let's update all sink input
    1186                 :            :          * volumes and update the flat volume of the sink */
    1187                 :            : 
    1188                 :          0 :         pa_sink_set_volume(i->sink, NULL, TRUE, save);
    1189                 :            : 
    1190                 :            :     } else {
    1191                 :            :         /* OK, we are in normal volume mode. The volume only affects
    1192                 :            :          * ourselves */
    1193                 :          0 :         set_real_ratio(i, volume);
    1194                 :            : 
    1195                 :            :         /* Copy the new soft_volume to the thread_info struct */
    1196         [ #  # ]:          0 :         pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_SOFT_VOLUME, NULL, 0, NULL) == 0);
    1197                 :            :     }
    1198                 :            : 
    1199                 :            :     /* The volume changed, let's tell people so */
    1200         [ #  # ]:          0 :     if (i->volume_changed)
    1201                 :          0 :         i->volume_changed(i);
    1202                 :            : 
    1203                 :            :     /* The virtual volume changed, let's tell people so */
    1204                 :          0 :     pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
    1205                 :            : }
    1206                 :            : 
    1207                 :            : /* Called from main context */
    1208                 :          0 : static void set_real_ratio(pa_sink_input *i, const pa_cvolume *v) {
    1209                 :          0 :     pa_sink_input_assert_ref(i);
    1210         [ #  # ]:          0 :     pa_assert_ctl_context();
    1211         [ #  # ]:          0 :     pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
    1212 [ #  # ][ #  # ]:          0 :     pa_assert(!v || pa_cvolume_compatible(v, &i->sample_spec));
    1213                 :            : 
    1214                 :            :     /* This basically calculates:
    1215                 :            :      *
    1216                 :            :      * i->real_ratio := v
    1217                 :            :      * i->soft_volume := i->real_ratio * i->volume_factor */
    1218                 :            : 
    1219         [ #  # ]:          0 :     if (v)
    1220                 :          0 :         i->real_ratio = *v;
    1221                 :            :     else
    1222                 :          0 :         pa_cvolume_reset(&i->real_ratio, i->sample_spec.channels);
    1223                 :            : 
    1224                 :          0 :     pa_sw_cvolume_multiply(&i->soft_volume, &i->real_ratio, &i->volume_factor);
    1225                 :            :     /* We don't copy the data to the thread_info data. That's left for someone else to do */
    1226                 :          0 : }
    1227                 :            : 
    1228                 :            : /* Called from main or I/O context */
    1229                 :          0 : pa_bool_t pa_sink_input_is_passthrough(pa_sink_input *i) {
    1230                 :          0 :     pa_sink_input_assert_ref(i);
    1231                 :            : 
    1232         [ #  # ]:          0 :     if (PA_UNLIKELY(!pa_format_info_is_pcm(i->format)))
    1233                 :            :         return TRUE;
    1234                 :            : 
    1235         [ #  # ]:          0 :     if (PA_UNLIKELY(i->flags & PA_SINK_INPUT_PASSTHROUGH))
    1236                 :            :         return TRUE;
    1237                 :            : 
    1238                 :          0 :     return FALSE;
    1239                 :            : }
    1240                 :            : 
    1241                 :            : /* Called from main context */
    1242                 :          0 : pa_bool_t pa_sink_input_is_volume_readable(pa_sink_input *i) {
    1243                 :          0 :     pa_sink_input_assert_ref(i);
    1244         [ #  # ]:          0 :     pa_assert_ctl_context();
    1245                 :            : 
    1246                 :          0 :     return !pa_sink_input_is_passthrough(i);
    1247                 :            : }
    1248                 :            : 
    1249                 :            : /* Called from main context */
    1250                 :          0 : pa_cvolume *pa_sink_input_get_volume(pa_sink_input *i, pa_cvolume *volume, pa_bool_t absolute) {
    1251                 :          0 :     pa_sink_input_assert_ref(i);
    1252         [ #  # ]:          0 :     pa_assert_ctl_context();
    1253         [ #  # ]:          0 :     pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
    1254         [ #  # ]:          0 :     pa_assert(pa_sink_input_is_volume_readable(i));
    1255                 :            : 
    1256 [ #  # ][ #  # ]:          0 :     if (absolute || !pa_sink_flat_volume_enabled(i->sink))
    1257                 :          0 :         *volume = i->volume;
    1258                 :            :     else
    1259                 :          0 :         *volume = i->reference_ratio;
    1260                 :            : 
    1261                 :          0 :     return volume;
    1262                 :            : }
    1263                 :            : 
    1264                 :            : /* Called from main context */
    1265                 :          0 : void pa_sink_input_set_mute(pa_sink_input *i, pa_bool_t mute, pa_bool_t save) {
    1266                 :          0 :     pa_sink_input_assert_ref(i);
    1267         [ #  # ]:          0 :     pa_assert_ctl_context();
    1268         [ #  # ]:          0 :     pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
    1269                 :            : 
    1270         [ #  # ]:          0 :     if (!i->muted == !mute) {
    1271 [ #  # ][ #  # ]:          0 :         i->save_muted = i->save_muted || mute;
    1272                 :          0 :         return;
    1273                 :            :     }
    1274                 :            : 
    1275                 :          0 :     i->muted = mute;
    1276                 :          0 :     i->save_muted = save;
    1277                 :            : 
    1278         [ #  # ]:          0 :     pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_SOFT_MUTE, NULL, 0, NULL) == 0);
    1279                 :            : 
    1280                 :            :     /* The mute status changed, let's tell people so */
    1281         [ #  # ]:          0 :     if (i->mute_changed)
    1282                 :          0 :         i->mute_changed(i);
    1283                 :            : 
    1284                 :          0 :     pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
    1285                 :            : }
    1286                 :            : 
    1287                 :            : /* Called from main context */
    1288                 :          0 : pa_bool_t pa_sink_input_get_mute(pa_sink_input *i) {
    1289                 :          0 :     pa_sink_input_assert_ref(i);
    1290         [ #  # ]:          0 :     pa_assert_ctl_context();
    1291         [ #  # ]:          0 :     pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
    1292                 :            : 
    1293                 :          0 :     return i->muted;
    1294                 :            : }
    1295                 :            : 
    1296                 :            : /* Called from main thread */
    1297                 :          0 : void pa_sink_input_update_proplist(pa_sink_input *i, pa_update_mode_t mode, pa_proplist *p) {
    1298                 :          0 :     pa_sink_input_assert_ref(i);
    1299         [ #  # ]:          0 :     pa_assert_ctl_context();
    1300                 :            : 
    1301         [ #  # ]:          0 :     if (p)
    1302                 :          0 :         pa_proplist_update(i->proplist, mode, p);
    1303                 :            : 
    1304         [ #  # ]:          0 :     if (PA_SINK_INPUT_IS_LINKED(i->state)) {
    1305                 :          0 :         pa_hook_fire(&i->core->hooks[PA_CORE_HOOK_SINK_INPUT_PROPLIST_CHANGED], i);
    1306                 :          0 :         pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
    1307                 :            :     }
    1308                 :          0 : }
    1309                 :            : 
    1310                 :            : /* Called from main context */
    1311                 :          0 : void pa_sink_input_cork(pa_sink_input *i, pa_bool_t b) {
    1312                 :          0 :     pa_sink_input_assert_ref(i);
    1313         [ #  # ]:          0 :     pa_assert_ctl_context();
    1314         [ #  # ]:          0 :     pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
    1315                 :            : 
    1316         [ #  # ]:          0 :     sink_input_set_state(i, b ? PA_SINK_INPUT_CORKED : PA_SINK_INPUT_RUNNING);
    1317                 :          0 : }
    1318                 :            : 
    1319                 :            : /* Called from main context */
    1320                 :          0 : int pa_sink_input_set_rate(pa_sink_input *i, uint32_t rate) {
    1321                 :          0 :     pa_sink_input_assert_ref(i);
    1322         [ #  # ]:          0 :     pa_assert_ctl_context();
    1323         [ #  # ]:          0 :     pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
    1324         [ #  # ]:          0 :     pa_return_val_if_fail(i->thread_info.resampler, -PA_ERR_BADSTATE);
    1325                 :            : 
    1326         [ #  # ]:          0 :     if (i->sample_spec.rate == rate)
    1327                 :            :         return 0;
    1328                 :            : 
    1329                 :          0 :     i->sample_spec.rate = rate;
    1330                 :            : 
    1331                 :          0 :     pa_asyncmsgq_post(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_RATE, PA_UINT_TO_PTR(rate), 0, NULL, NULL);
    1332                 :            : 
    1333                 :          0 :     pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
    1334                 :          0 :     return 0;
    1335                 :            : }
    1336                 :            : 
    1337                 :            : /* Called from main context */
    1338                 :          0 : void pa_sink_input_set_name(pa_sink_input *i, const char *name) {
    1339                 :            :     const char *old;
    1340                 :          0 :     pa_sink_input_assert_ref(i);
    1341         [ #  # ]:          0 :     pa_assert_ctl_context();
    1342                 :            : 
    1343 [ #  # ][ #  # ]:          0 :     if (!name && !pa_proplist_contains(i->proplist, PA_PROP_MEDIA_NAME))
    1344                 :            :         return;
    1345                 :            : 
    1346                 :          0 :     old = pa_proplist_gets(i->proplist, PA_PROP_MEDIA_NAME);
    1347                 :            : 
    1348 [ #  # ][ #  # ]:          0 :     if (old && name && pa_streq(old, name))
    1349                 :            :         return;
    1350                 :            : 
    1351         [ #  # ]:          0 :     if (name)
    1352                 :          0 :         pa_proplist_sets(i->proplist, PA_PROP_MEDIA_NAME, name);
    1353                 :            :     else
    1354                 :          0 :         pa_proplist_unset(i->proplist, PA_PROP_MEDIA_NAME);
    1355                 :            : 
    1356         [ #  # ]:          0 :     if (PA_SINK_INPUT_IS_LINKED(i->state)) {
    1357                 :          0 :         pa_hook_fire(&i->core->hooks[PA_CORE_HOOK_SINK_INPUT_PROPLIST_CHANGED], i);
    1358                 :          0 :         pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
    1359                 :            :     }
    1360                 :            : }
    1361                 :            : 
    1362                 :            : /* Called from main context */
    1363                 :          0 : pa_resample_method_t pa_sink_input_get_resample_method(pa_sink_input *i) {
    1364                 :          0 :     pa_sink_input_assert_ref(i);
    1365         [ #  # ]:          0 :     pa_assert_ctl_context();
    1366                 :            : 
    1367                 :          0 :     return i->actual_resample_method;
    1368                 :            : }
    1369                 :            : 
    1370                 :            : /* Called from main context */
    1371                 :          0 : pa_bool_t pa_sink_input_may_move(pa_sink_input *i) {
    1372                 :          0 :     pa_sink_input_assert_ref(i);
    1373         [ #  # ]:          0 :     pa_assert_ctl_context();
    1374         [ #  # ]:          0 :     pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
    1375                 :            : 
    1376         [ #  # ]:          0 :     if (i->flags & PA_SINK_INPUT_DONT_MOVE)
    1377                 :            :         return FALSE;
    1378                 :            : 
    1379 [ #  # ][ #  # ]:          0 :     if (i->sync_next || i->sync_prev) {
    1380                 :          0 :         pa_log_warn("Moving synchronized streams not supported.");
    1381                 :          0 :         return FALSE;
    1382                 :            :     }
    1383                 :            : 
    1384                 :            :     return TRUE;
    1385                 :            : }
    1386                 :            : 
    1387                 :            : static pa_bool_t find_filter_sink_input(pa_sink_input *target, pa_sink *s) {
    1388                 :            :     int i = 0;
    1389 [ #  # ][ #  # ]:          0 :     while (s && s->input_to_master) {
    1390         [ #  # ]:          0 :         if (s->input_to_master == target)
    1391                 :            :             return TRUE;
    1392                 :          0 :         s = s->input_to_master->sink;
    1393         [ #  # ]:          0 :         pa_assert(i++ < 100);
    1394                 :            :     }
    1395                 :            :     return FALSE;
    1396                 :            : }
    1397                 :            : 
    1398                 :            : /* Called from main context */
    1399                 :          0 : pa_bool_t pa_sink_input_may_move_to(pa_sink_input *i, pa_sink *dest) {
    1400                 :          0 :     pa_sink_input_assert_ref(i);
    1401         [ #  # ]:          0 :     pa_assert_ctl_context();
    1402         [ #  # ]:          0 :     pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
    1403                 :          0 :     pa_sink_assert_ref(dest);
    1404                 :            : 
    1405         [ #  # ]:          0 :     if (dest == i->sink)
    1406                 :            :         return TRUE;
    1407                 :            : 
    1408         [ #  # ]:          0 :     if (!pa_sink_input_may_move(i))
    1409                 :            :         return FALSE;
    1410                 :            : 
    1411                 :            :     /* Make sure we're not creating a filter sink cycle */
    1412         [ #  # ]:          0 :     if (find_filter_sink_input(i, dest)) {
    1413                 :          0 :         pa_log_debug("Can't connect input to %s, as that would create a cycle.", dest->name);
    1414                 :          0 :         return FALSE;
    1415                 :            :     }
    1416                 :            : 
    1417         [ #  # ]:          0 :     if (pa_idxset_size(dest->inputs) >= PA_MAX_INPUTS_PER_SINK) {
    1418                 :          0 :         pa_log_warn("Failed to move sink input: too many inputs per sink.");
    1419                 :          0 :         return FALSE;
    1420                 :            :     }
    1421                 :            : 
    1422         [ #  # ]:          0 :     if (check_passthrough_connection(pa_sink_input_is_passthrough(i), dest) < 0)
    1423                 :            :         return FALSE;
    1424                 :            : 
    1425         [ #  # ]:          0 :     if (i->may_move_to)
    1426         [ #  # ]:          0 :         if (!i->may_move_to(i, dest))
    1427                 :            :             return FALSE;
    1428                 :            : 
    1429                 :          0 :     return TRUE;
    1430                 :            : }
    1431                 :            : 
    1432                 :            : /* Called from main context */
    1433                 :          0 : int pa_sink_input_start_move(pa_sink_input *i) {
    1434                 :          0 :     pa_source_output *o, *p = NULL;
    1435                 :            :     int r;
    1436                 :            : 
    1437                 :          0 :     pa_sink_input_assert_ref(i);
    1438         [ #  # ]:          0 :     pa_assert_ctl_context();
    1439         [ #  # ]:          0 :     pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
    1440         [ #  # ]:          0 :     pa_assert(i->sink);
    1441                 :            : 
    1442         [ #  # ]:          0 :     if (!pa_sink_input_may_move(i))
    1443                 :            :         return -PA_ERR_NOTSUPPORTED;
    1444                 :            : 
    1445         [ #  # ]:          0 :     if ((r = pa_hook_fire(&i->core->hooks[PA_CORE_HOOK_SINK_INPUT_MOVE_START], i)) < 0)
    1446                 :            :         return r;
    1447                 :            : 
    1448                 :            :     /* Kill directly connected outputs */
    1449         [ #  # ]:          0 :     while ((o = pa_idxset_first(i->direct_outputs, NULL))) {
    1450         [ #  # ]:          0 :         pa_assert(o != p);
    1451                 :          0 :         pa_source_output_kill(o);
    1452                 :          0 :         p = o;
    1453                 :            :     }
    1454         [ #  # ]:          0 :     pa_assert(pa_idxset_isempty(i->direct_outputs));
    1455                 :            : 
    1456                 :          0 :     pa_idxset_remove_by_data(i->sink->inputs, i, NULL);
    1457                 :            : 
    1458         [ #  # ]:          0 :     if (pa_sink_input_get_state(i) == PA_SINK_INPUT_CORKED)
    1459         [ #  # ]:          0 :         pa_assert_se(i->sink->n_corked-- >= 1);
    1460                 :            : 
    1461         [ #  # ]:          0 :     if (pa_sink_input_is_passthrough(i))
    1462                 :          0 :         pa_sink_leave_passthrough(i->sink);
    1463                 :            : 
    1464         [ #  # ]:          0 :     if (pa_sink_flat_volume_enabled(i->sink))
    1465                 :            :         /* We might need to update the sink's volume if we are in flat
    1466                 :            :          * volume mode. */
    1467                 :          0 :         pa_sink_set_volume(i->sink, NULL, FALSE, FALSE);
    1468                 :            : 
    1469         [ #  # ]:          0 :     pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_START_MOVE, i, 0, NULL) == 0);
    1470                 :            : 
    1471                 :          0 :     pa_sink_update_status(i->sink);
    1472                 :          0 :     pa_cvolume_remap(&i->volume_factor_sink, &i->sink->channel_map, &i->channel_map);
    1473                 :          0 :     i->sink = NULL;
    1474                 :            : 
    1475                 :          0 :     pa_sink_input_unref(i);
    1476                 :            : 
    1477                 :          0 :     return 0;
    1478                 :            : }
    1479                 :            : 
    1480                 :            : /* Called from main context. If i has an origin sink that uses volume sharing,
    1481                 :            :  * then also the origin sink and all streams connected to it need to update
    1482                 :            :  * their volume - this function does all that by using recursion. */
    1483                 :          0 : static void update_volume_due_to_moving(pa_sink_input *i, pa_sink *dest) {
    1484                 :            :     pa_cvolume old_volume;
    1485                 :            : 
    1486         [ #  # ]:          0 :     pa_assert(i);
    1487         [ #  # ]:          0 :     pa_assert(dest);
    1488         [ #  # ]:          0 :     pa_assert(i->sink); /* The destination sink should already be set. */
    1489                 :            : 
    1490 [ #  # ][ #  # ]:          0 :     if (i->origin_sink && (i->origin_sink->flags & PA_SINK_SHARE_VOLUME_WITH_MASTER)) {
    1491                 :          0 :         pa_sink *root_sink = pa_sink_get_master(i->sink);
    1492                 :            :         pa_sink_input *origin_sink_input;
    1493                 :            :         uint32_t idx;
    1494                 :            : 
    1495         [ #  # ]:          0 :         if (PA_UNLIKELY(!root_sink))
    1496                 :          0 :             return;
    1497                 :            : 
    1498         [ #  # ]:          0 :         if (pa_sink_flat_volume_enabled(i->sink)) {
    1499                 :            :             /* Ok, so the origin sink uses volume sharing, and flat volume is
    1500                 :            :              * enabled. The volume will have to be updated as follows:
    1501                 :            :              *
    1502                 :            :              *     i->volume := i->sink->real_volume
    1503                 :            :              *         (handled later by pa_sink_set_volume)
    1504                 :            :              *     i->reference_ratio := i->volume / i->sink->reference_volume
    1505                 :            :              *         (handled later by pa_sink_set_volume)
    1506                 :            :              *     i->real_ratio stays unchanged
    1507                 :            :              *         (streams whose origin sink uses volume sharing should
    1508                 :            :              *          always have real_ratio of 0 dB)
    1509                 :            :              *     i->soft_volume stays unchanged
    1510                 :            :              *         (streams whose origin sink uses volume sharing should
    1511                 :            :              *          always have volume_factor as soft_volume, so no change
    1512                 :            :              *          should be needed) */
    1513                 :            : 
    1514         [ #  # ]:          0 :             pa_assert(pa_cvolume_is_norm(&i->real_ratio));
    1515         [ #  # ]:          0 :             pa_assert(pa_cvolume_equal(&i->soft_volume, &i->volume_factor));
    1516                 :            : 
    1517                 :            :             /* Notifications will be sent by pa_sink_set_volume(). */
    1518                 :            : 
    1519                 :            :         } else {
    1520                 :            :             /* Ok, so the origin sink uses volume sharing, and flat volume is
    1521                 :            :              * disabled. The volume will have to be updated as follows:
    1522                 :            :              *
    1523                 :            :              *     i->volume := 0 dB
    1524                 :            :              *     i->reference_ratio := 0 dB
    1525                 :            :              *     i->real_ratio stays unchanged
    1526                 :            :              *         (streams whose origin sink uses volume sharing should
    1527                 :            :              *          always have real_ratio of 0 dB)
    1528                 :            :              *     i->soft_volume stays unchanged
    1529                 :            :              *         (streams whose origin sink uses volume sharing should
    1530                 :            :              *          always have volume_factor as soft_volume, so no change
    1531                 :            :              *          should be needed) */
    1532                 :            : 
    1533                 :          0 :             old_volume = i->volume;
    1534                 :          0 :             pa_cvolume_reset(&i->volume, i->volume.channels);
    1535                 :          0 :             pa_cvolume_reset(&i->reference_ratio, i->reference_ratio.channels);
    1536         [ #  # ]:          0 :             pa_assert(pa_cvolume_is_norm(&i->real_ratio));
    1537         [ #  # ]:          0 :             pa_assert(pa_cvolume_equal(&i->soft_volume, &i->volume_factor));
    1538                 :            : 
    1539                 :            :             /* Notify others about the changed sink input volume. */
    1540         [ #  # ]:          0 :             if (!pa_cvolume_equal(&i->volume, &old_volume)) {
    1541         [ #  # ]:          0 :                 if (i->volume_changed)
    1542                 :          0 :                     i->volume_changed(i);
    1543                 :            : 
    1544                 :          0 :                 pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
    1545                 :            :             }
    1546                 :            :         }
    1547                 :            : 
    1548                 :            :         /* Additionally, the origin sink volume needs updating:
    1549                 :            :          *
    1550                 :            :          *     i->origin_sink->reference_volume := root_sink->reference_volume
    1551                 :            :          *     i->origin_sink->real_volume := root_sink->real_volume
    1552                 :            :          *     i->origin_sink->soft_volume stays unchanged
    1553                 :            :          *         (sinks that use volume sharing should always have
    1554                 :            :          *          soft_volume of 0 dB) */
    1555                 :            : 
    1556                 :          0 :         old_volume = i->origin_sink->reference_volume;
    1557                 :            : 
    1558                 :          0 :         i->origin_sink->reference_volume = root_sink->reference_volume;
    1559                 :          0 :         pa_cvolume_remap(&i->origin_sink->reference_volume, &root_sink->channel_map, &i->origin_sink->channel_map);
    1560                 :            : 
    1561                 :          0 :         i->origin_sink->real_volume = root_sink->real_volume;
    1562                 :          0 :         pa_cvolume_remap(&i->origin_sink->real_volume, &root_sink->channel_map, &i->origin_sink->channel_map);
    1563                 :            : 
    1564         [ #  # ]:          0 :         pa_assert(pa_cvolume_is_norm(&i->origin_sink->soft_volume));
    1565                 :            : 
    1566                 :            :         /* Notify others about the changed sink volume. If you wonder whether
    1567                 :            :          * i->origin_sink->set_volume() should be called somewhere, that's not
    1568                 :            :          * the case, because sinks that use volume sharing shouldn't have any
    1569                 :            :          * internal volume that set_volume() would update. If you wonder
    1570                 :            :          * whether the thread_info variables should be synced, yes, they
    1571                 :            :          * should, and it's done by the PA_SINK_MESSAGE_FINISH_MOVE message
    1572                 :            :          * handler. */
    1573         [ #  # ]:          0 :         if (!pa_cvolume_equal(&i->origin_sink->reference_volume, &old_volume))
    1574                 :          0 :             pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, i->origin_sink->index);
    1575                 :            : 
    1576                 :            :         /* Recursively update origin sink inputs. */
    1577         [ #  # ]:          0 :         PA_IDXSET_FOREACH(origin_sink_input, i->origin_sink->inputs, idx)
    1578                 :          0 :             update_volume_due_to_moving(origin_sink_input, dest);
    1579                 :            : 
    1580                 :            :     } else {
    1581                 :          0 :         old_volume = i->volume;
    1582                 :            : 
    1583         [ #  # ]:          0 :         if (pa_sink_flat_volume_enabled(i->sink)) {
    1584                 :            :             /* Ok, so this is a regular stream, and flat volume is enabled. The
    1585                 :            :              * volume will have to be updated as follows:
    1586                 :            :              *
    1587                 :            :              *     i->volume := i->reference_ratio * i->sink->reference_volume
    1588                 :            :              *     i->reference_ratio stays unchanged
    1589                 :            :              *     i->real_ratio := i->volume / i->sink->real_volume
    1590                 :            :              *         (handled later by pa_sink_set_volume)
    1591                 :            :              *     i->soft_volume := i->real_ratio * i->volume_factor
    1592                 :            :              *         (handled later by pa_sink_set_volume) */
    1593                 :            : 
    1594                 :          0 :             i->volume = i->sink->reference_volume;
    1595                 :          0 :             pa_cvolume_remap(&i->volume, &i->sink->channel_map, &i->channel_map);
    1596                 :          0 :             pa_sw_cvolume_multiply(&i->volume, &i->volume, &i->reference_ratio);
    1597                 :            : 
    1598                 :            :         } else {
    1599                 :            :             /* Ok, so this is a regular stream, and flat volume is disabled.
    1600                 :            :              * The volume will have to be updated as follows:
    1601                 :            :              *
    1602                 :            :              *     i->volume := i->reference_ratio
    1603                 :            :              *     i->reference_ratio stays unchanged
    1604                 :            :              *     i->real_ratio := i->reference_ratio
    1605                 :            :              *     i->soft_volume := i->real_ratio * i->volume_factor */
    1606                 :            : 
    1607                 :          0 :             i->volume = i->reference_ratio;
    1608                 :          0 :             i->real_ratio = i->reference_ratio;
    1609                 :          0 :             pa_sw_cvolume_multiply(&i->soft_volume, &i->real_ratio, &i->volume_factor);
    1610                 :            :         }
    1611                 :            : 
    1612                 :            :         /* Notify others about the changed sink input volume. */
    1613         [ #  # ]:          0 :         if (!pa_cvolume_equal(&i->volume, &old_volume)) {
    1614                 :            :             /* XXX: In case i->sink has flat volume enabled, then real_ratio
    1615                 :            :              * and soft_volume are not updated yet. Let's hope that the
    1616                 :            :              * callback implementation doesn't care about those variables... */
    1617         [ #  # ]:          0 :             if (i->volume_changed)
    1618                 :          0 :                 i->volume_changed(i);
    1619                 :            : 
    1620                 :          0 :             pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
    1621                 :            :         }
    1622                 :            :     }
    1623                 :            : 
    1624                 :            :     /* If i->sink == dest, then recursion has finished, and we can finally call
    1625                 :            :      * pa_sink_set_volume(), which will do the rest of the updates. */
    1626 [ #  # ][ #  # ]:          0 :     if ((i->sink == dest) && pa_sink_flat_volume_enabled(i->sink))
    1627                 :          0 :         pa_sink_set_volume(i->sink, NULL, FALSE, i->save_volume);
    1628                 :            : }
    1629                 :            : 
    1630                 :            : /* Called from main context */
    1631                 :          0 : int pa_sink_input_finish_move(pa_sink_input *i, pa_sink *dest, pa_bool_t save) {
    1632                 :          0 :     pa_sink_input_assert_ref(i);
    1633         [ #  # ]:          0 :     pa_assert_ctl_context();
    1634         [ #  # ]:          0 :     pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
    1635         [ #  # ]:          0 :     pa_assert(!i->sink);
    1636                 :          0 :     pa_sink_assert_ref(dest);
    1637                 :            : 
    1638         [ #  # ]:          0 :     if (!pa_sink_input_may_move_to(i, dest))
    1639                 :            :         return -PA_ERR_NOTSUPPORTED;
    1640                 :            : 
    1641 [ #  # ][ #  # ]:          0 :     if (pa_sink_input_is_passthrough(i) && !pa_sink_check_format(dest, i->format)) {
    1642                 :          0 :         pa_proplist *p = pa_proplist_new();
    1643                 :          0 :         pa_log_debug("New sink doesn't support stream format, sending format-changed and killing");
    1644                 :            :         /* Tell the client what device we want to be on if it is going to
    1645                 :            :          * reconnect */
    1646                 :          0 :         pa_proplist_sets(p, "device", dest->name);
    1647                 :          0 :         pa_sink_input_send_event(i, PA_STREAM_EVENT_FORMAT_LOST, p);
    1648                 :          0 :         pa_proplist_free(p);
    1649                 :          0 :         return -PA_ERR_NOTSUPPORTED;
    1650                 :            :     }
    1651                 :            : 
    1652   [ #  #  #  # ]:          0 :     if (!(i->flags & PA_SINK_INPUT_VARIABLE_RATE) &&
    1653                 :          0 :         !pa_sample_spec_equal(&i->sample_spec, &dest->sample_spec)) {
    1654                 :            :         /* try to change dest sink rate if possible without glitches.
    1655                 :            :            module-suspend-on-idle resumes destination sink with
    1656                 :            :            SINK_INPUT_MOVE_FINISH hook */
    1657                 :            : 
    1658                 :          0 :         pa_log_info("Trying to change sample rate");
    1659         [ #  # ]:          0 :         if (pa_sink_update_rate(dest, i->sample_spec.rate, pa_sink_input_is_passthrough(i)) == TRUE)
    1660                 :          0 :             pa_log_info("Rate changed to %u Hz",
    1661                 :            :                         dest->sample_spec.rate);
    1662                 :            :         else
    1663                 :          0 :             pa_log_info("Resampling enabled to %u Hz",
    1664                 :            :                         dest->sample_spec.rate);
    1665                 :            :     }
    1666                 :            : 
    1667         [ #  # ]:          0 :     if (i->moving)
    1668                 :          0 :         i->moving(i, dest);
    1669                 :            : 
    1670                 :          0 :     i->sink = dest;
    1671                 :          0 :     i->save_sink = save;
    1672                 :          0 :     pa_idxset_put(dest->inputs, pa_sink_input_ref(i), NULL);
    1673                 :            : 
    1674                 :          0 :     pa_cvolume_remap(&i->volume_factor_sink, &i->channel_map, &i->sink->channel_map);
    1675                 :            : 
    1676         [ #  # ]:          0 :     if (pa_sink_input_get_state(i) == PA_SINK_INPUT_CORKED)
    1677                 :          0 :         i->sink->n_corked++;
    1678                 :            : 
    1679                 :          0 :     pa_sink_input_update_rate(i);
    1680                 :            : 
    1681                 :          0 :     pa_sink_update_status(dest);
    1682                 :            : 
    1683                 :          0 :     update_volume_due_to_moving(i, dest);
    1684                 :            : 
    1685         [ #  # ]:          0 :     if (pa_sink_input_is_passthrough(i))
    1686                 :          0 :         pa_sink_enter_passthrough(i->sink);
    1687                 :            : 
    1688         [ #  # ]:          0 :     pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_FINISH_MOVE, i, 0, NULL) == 0);
    1689                 :            : 
    1690                 :          0 :     pa_log_debug("Successfully moved sink input %i to %s.", i->index, dest->name);
    1691                 :            : 
    1692                 :            :     /* Notify everyone */
    1693                 :          0 :     pa_hook_fire(&i->core->hooks[PA_CORE_HOOK_SINK_INPUT_MOVE_FINISH], i);
    1694                 :          0 :     pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
    1695                 :            : 
    1696                 :          0 :     return 0;
    1697                 :            : }
    1698                 :            : 
    1699                 :            : /* Called from main context */
    1700                 :          0 : void pa_sink_input_fail_move(pa_sink_input *i) {
    1701                 :            : 
    1702                 :          0 :     pa_sink_input_assert_ref(i);
    1703         [ #  # ]:          0 :     pa_assert_ctl_context();
    1704         [ #  # ]:          0 :     pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
    1705         [ #  # ]:          0 :     pa_assert(!i->sink);
    1706                 :            : 
    1707                 :            :     /* Check if someone wants this sink input? */
    1708         [ #  # ]:          0 :     if (pa_hook_fire(&i->core->hooks[PA_CORE_HOOK_SINK_INPUT_MOVE_FAIL], i) == PA_HOOK_STOP)
    1709                 :          0 :         return;
    1710                 :            : 
    1711         [ #  # ]:          0 :     if (i->moving)
    1712                 :          0 :         i->moving(i, NULL);
    1713                 :            : 
    1714                 :          0 :     pa_sink_input_kill(i);
    1715                 :            : }
    1716                 :            : 
    1717                 :            : /* Called from main context */
    1718                 :          0 : int pa_sink_input_move_to(pa_sink_input *i, pa_sink *dest, pa_bool_t save) {
    1719                 :            :     int r;
    1720                 :            : 
    1721                 :          0 :     pa_sink_input_assert_ref(i);
    1722         [ #  # ]:          0 :     pa_assert_ctl_context();
    1723         [ #  # ]:          0 :     pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
    1724         [ #  # ]:          0 :     pa_assert(i->sink);
    1725                 :          0 :     pa_sink_assert_ref(dest);
    1726                 :            : 
    1727         [ #  # ]:          0 :     if (dest == i->sink)
    1728                 :            :         return 0;
    1729                 :            : 
    1730         [ #  # ]:          0 :     if (!pa_sink_input_may_move_to(i, dest))
    1731                 :            :         return -PA_ERR_NOTSUPPORTED;
    1732                 :            : 
    1733                 :          0 :     pa_sink_input_ref(i);
    1734                 :            : 
    1735         [ #  # ]:          0 :     if ((r = pa_sink_input_start_move(i)) < 0) {
    1736                 :          0 :         pa_sink_input_unref(i);
    1737                 :          0 :         return r;
    1738                 :            :     }
    1739                 :            : 
    1740         [ #  # ]:          0 :     if ((r = pa_sink_input_finish_move(i, dest, save)) < 0) {
    1741                 :          0 :         pa_sink_input_fail_move(i);
    1742                 :          0 :         pa_sink_input_unref(i);
    1743                 :          0 :         return r;
    1744                 :            :     }
    1745                 :            : 
    1746                 :          0 :     pa_sink_input_unref(i);
    1747                 :            : 
    1748                 :          0 :     return 0;
    1749                 :            : }
    1750                 :            : 
    1751                 :            : /* Called from IO thread context */
    1752                 :          0 : void pa_sink_input_set_state_within_thread(pa_sink_input *i, pa_sink_input_state_t state) {
    1753                 :            :     pa_bool_t corking, uncorking;
    1754                 :            : 
    1755                 :          0 :     pa_sink_input_assert_ref(i);
    1756 [ #  # ][ #  # ]:          0 :     pa_sink_input_assert_io_context(i);
    1757                 :            : 
    1758         [ #  # ]:          0 :     if (state == i->thread_info.state)
    1759                 :          0 :         return;
    1760                 :            : 
    1761 [ #  # ][ #  # ]:          0 :     if ((state == PA_SINK_INPUT_DRAINED || state == PA_SINK_INPUT_RUNNING) &&
    1762                 :          0 :         !(i->thread_info.state == PA_SINK_INPUT_DRAINED || i->thread_info.state != PA_SINK_INPUT_RUNNING))
    1763                 :          0 :         pa_atomic_store(&i->thread_info.drained, 1);
    1764                 :            : 
    1765 [ #  # ][ #  # ]:          0 :     corking = state == PA_SINK_INPUT_CORKED && i->thread_info.state == PA_SINK_INPUT_RUNNING;
    1766                 :          0 :     uncorking = i->thread_info.state == PA_SINK_INPUT_CORKED && state == PA_SINK_INPUT_RUNNING;
    1767                 :            : 
    1768         [ #  # ]:          0 :     if (i->state_change)
    1769                 :          0 :         i->state_change(i, state);
    1770                 :            : 
    1771         [ #  # ]:          0 :     if (corking) {
    1772                 :            : 
    1773                 :          0 :         pa_log_debug("Requesting rewind due to corking");
    1774                 :            : 
    1775                 :            :         /* This will tell the implementing sink input driver to rewind
    1776                 :            :          * so that the unplayed already mixed data is not lost */
    1777                 :          0 :         pa_sink_input_request_rewind(i, 0, TRUE, TRUE, FALSE);
    1778                 :            : 
    1779                 :            :         /* Set the corked state *after* requesting rewind */
    1780                 :          0 :         i->thread_info.state = state;
    1781                 :            : 
    1782         [ #  # ]:          0 :     } else if (uncorking) {
    1783                 :            : 
    1784                 :          0 :         pa_log_debug("Requesting rewind due to uncorking");
    1785                 :            : 
    1786                 :          0 :         i->thread_info.underrun_for = (uint64_t) -1;
    1787                 :          0 :         i->thread_info.playing_for = 0;
    1788                 :            : 
    1789                 :            :         /* Set the uncorked state *before* requesting rewind */
    1790                 :          0 :         i->thread_info.state = state;
    1791                 :            : 
    1792                 :            :         /* OK, we're being uncorked. Make sure we're not rewound when
    1793                 :            :          * the hw buffer is remixed and request a remix. */
    1794                 :          0 :         pa_sink_input_request_rewind(i, 0, FALSE, TRUE, TRUE);
    1795                 :            :     } else
    1796                 :            :         /* We may not be corking or uncorking, but we still need to set the state. */
    1797                 :          0 :         i->thread_info.state = state;
    1798                 :            : }
    1799                 :            : 
    1800                 :            : /* Called from thread context, except when it is not. */
    1801                 :          0 : int pa_sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
    1802                 :          0 :     pa_sink_input *i = PA_SINK_INPUT(o);
    1803                 :          0 :     pa_sink_input_assert_ref(i);
    1804                 :            : 
    1805   [ #  #  #  #  :          0 :     switch (code) {
             #  #  #  # ]
    1806                 :            : 
    1807                 :            :         case PA_SINK_INPUT_MESSAGE_SET_SOFT_VOLUME:
    1808         [ #  # ]:          0 :             if (!pa_cvolume_equal(&i->thread_info.soft_volume, &i->soft_volume)) {
    1809                 :          0 :                 i->thread_info.soft_volume = i->soft_volume;
    1810                 :          0 :                 pa_sink_input_request_rewind(i, 0, TRUE, FALSE, FALSE);
    1811                 :            :             }
    1812                 :            :             return 0;
    1813                 :            : 
    1814                 :            :         case PA_SINK_INPUT_MESSAGE_SET_SOFT_MUTE:
    1815         [ #  # ]:          0 :             if (i->thread_info.muted != i->muted) {
    1816                 :          0 :                 i->thread_info.muted = i->muted;
    1817                 :          0 :                 pa_sink_input_request_rewind(i, 0, TRUE, FALSE, FALSE);
    1818                 :            :             }
    1819                 :            :             return 0;
    1820                 :            : 
    1821                 :            :         case PA_SINK_INPUT_MESSAGE_GET_LATENCY: {
    1822                 :          0 :             pa_usec_t *r = userdata;
    1823                 :            : 
    1824                 :          0 :             r[0] += pa_bytes_to_usec(pa_memblockq_get_length(i->thread_info.render_memblockq), &i->sink->sample_spec);
    1825                 :          0 :             r[1] += pa_sink_get_latency_within_thread(i->sink);
    1826                 :            : 
    1827                 :          0 :             return 0;
    1828                 :            :         }
    1829                 :            : 
    1830                 :            :         case PA_SINK_INPUT_MESSAGE_SET_RATE:
    1831                 :            : 
    1832                 :          0 :             i->thread_info.sample_spec.rate = PA_PTR_TO_UINT(userdata);
    1833                 :          0 :             pa_resampler_set_input_rate(i->thread_info.resampler, PA_PTR_TO_UINT(userdata));
    1834                 :            : 
    1835                 :          0 :             return 0;
    1836                 :            : 
    1837                 :            :         case PA_SINK_INPUT_MESSAGE_SET_STATE: {
    1838                 :            :             pa_sink_input *ssync;
    1839                 :            : 
    1840                 :          0 :             pa_sink_input_set_state_within_thread(i, PA_PTR_TO_UINT(userdata));
    1841                 :            : 
    1842         [ #  # ]:          0 :             for (ssync = i->thread_info.sync_prev; ssync; ssync = ssync->thread_info.sync_prev)
    1843                 :          0 :                 pa_sink_input_set_state_within_thread(ssync, PA_PTR_TO_UINT(userdata));
    1844                 :            : 
    1845         [ #  # ]:          0 :             for (ssync = i->thread_info.sync_next; ssync; ssync = ssync->thread_info.sync_next)
    1846                 :          0 :                 pa_sink_input_set_state_within_thread(ssync, PA_PTR_TO_UINT(userdata));
    1847                 :            : 
    1848                 :            :             return 0;
    1849                 :            :         }
    1850                 :            : 
    1851                 :            :         case PA_SINK_INPUT_MESSAGE_SET_REQUESTED_LATENCY: {
    1852                 :          0 :             pa_usec_t *usec = userdata;
    1853                 :            : 
    1854                 :          0 :             *usec = pa_sink_input_set_requested_latency_within_thread(i, *usec);
    1855                 :          0 :             return 0;
    1856                 :            :         }
    1857                 :            : 
    1858                 :            :         case PA_SINK_INPUT_MESSAGE_GET_REQUESTED_LATENCY: {
    1859                 :          0 :             pa_usec_t *r = userdata;
    1860                 :            : 
    1861                 :          0 :             *r = i->thread_info.requested_sink_latency;
    1862                 :          0 :             return 0;
    1863                 :            :         }
    1864                 :            :     }
    1865                 :            : 
    1866                 :            :     return -PA_ERR_NOTIMPLEMENTED;
    1867                 :            : }
    1868                 :            : 
    1869                 :            : /* Called from main thread */
    1870                 :          0 : pa_sink_input_state_t pa_sink_input_get_state(pa_sink_input *i) {
    1871                 :          0 :     pa_sink_input_assert_ref(i);
    1872         [ #  # ]:          0 :     pa_assert_ctl_context();
    1873                 :            : 
    1874         [ #  # ]:          0 :     if (i->state == PA_SINK_INPUT_RUNNING || i->state == PA_SINK_INPUT_DRAINED)
    1875         [ #  # ]:          0 :         return pa_atomic_load(&i->thread_info.drained) ? PA_SINK_INPUT_DRAINED : PA_SINK_INPUT_RUNNING;
    1876                 :            : 
    1877                 :          0 :     return i->state;
    1878                 :            : }
    1879                 :            : 
    1880                 :            : /* Called from IO context */
    1881                 :          0 : pa_bool_t pa_sink_input_safe_to_remove(pa_sink_input *i) {
    1882                 :          0 :     pa_sink_input_assert_ref(i);
    1883 [ #  # ][ #  # ]:          0 :     pa_sink_input_assert_io_context(i);
    1884                 :            : 
    1885         [ #  # ]:          0 :     if (PA_SINK_INPUT_IS_LINKED(i->thread_info.state))
    1886                 :          0 :         return pa_memblockq_is_empty(i->thread_info.render_memblockq);
    1887                 :            : 
    1888                 :            :     return TRUE;
    1889                 :            : }
    1890                 :            : 
    1891                 :            : /* Called from IO context */
    1892                 :          0 : void pa_sink_input_request_rewind(
    1893                 :            :         pa_sink_input *i,
    1894                 :            :         size_t nbytes  /* in our sample spec */,
    1895                 :            :         pa_bool_t rewrite,
    1896                 :            :         pa_bool_t flush,
    1897                 :            :         pa_bool_t dont_rewind_render) {
    1898                 :            : 
    1899                 :            :     size_t lbq;
    1900                 :            : 
    1901                 :            :     /* If 'rewrite' is TRUE the sink is rewound as far as requested
    1902                 :            :      * and possible and the exact value of this is passed back the
    1903                 :            :      * implementor via process_rewind(). If 'flush' is also TRUE all
    1904                 :            :      * already rendered data is also dropped.
    1905                 :            :      *
    1906                 :            :      * If 'rewrite' is FALSE the sink is rewound as far as requested
    1907                 :            :      * and possible and the already rendered data is dropped so that
    1908                 :            :      * in the next iteration we read new data from the
    1909                 :            :      * implementor. This implies 'flush' is TRUE.  If
    1910                 :            :      * dont_rewind_render is TRUE then the render memblockq is not
    1911                 :            :      * rewound. */
    1912                 :            : 
    1913                 :            :     /* nbytes = 0 means maximum rewind request */
    1914                 :            : 
    1915                 :          0 :     pa_sink_input_assert_ref(i);
    1916 [ #  # ][ #  # ]:          0 :     pa_sink_input_assert_io_context(i);
    1917 [ #  # ][ #  # ]:          0 :     pa_assert(rewrite || flush);
    1918 [ #  # ][ #  # ]:          0 :     pa_assert(!dont_rewind_render || !rewrite);
    1919                 :            : 
    1920                 :            :     /* We don't take rewind requests while we are corked */
    1921         [ #  # ]:          0 :     if (i->thread_info.state == PA_SINK_INPUT_CORKED)
    1922                 :          0 :         return;
    1923                 :            : 
    1924                 :          0 :     nbytes = PA_MAX(i->thread_info.rewrite_nbytes, nbytes);
    1925                 :            : 
    1926                 :            : #ifdef SINK_INPUT_DEBUG
    1927                 :            :     pa_log_debug("request rewrite %zu", nbytes);
    1928                 :            : #endif
    1929                 :            : 
    1930                 :            :     /* Calculate how much we can rewind locally without having to
    1931                 :            :      * touch the sink */
    1932         [ #  # ]:          0 :     if (rewrite)
    1933                 :          0 :         lbq = pa_memblockq_get_length(i->thread_info.render_memblockq);
    1934                 :            :     else
    1935                 :            :         lbq = 0;
    1936                 :            : 
    1937                 :            :     /* Check if rewinding for the maximum is requested, and if so, fix up */
    1938         [ #  # ]:          0 :     if (nbytes <= 0) {
    1939                 :            : 
    1940                 :            :         /* Calculate maximum number of bytes that could be rewound in theory */
    1941                 :          0 :         nbytes = i->sink->thread_info.max_rewind + lbq;
    1942                 :            : 
    1943                 :            :         /* Transform from sink domain */
    1944         [ #  # ]:          0 :         if (i->thread_info.resampler)
    1945                 :          0 :             nbytes = pa_resampler_request(i->thread_info.resampler, nbytes);
    1946                 :            :     }
    1947                 :            : 
    1948                 :            :     /* Remember how much we actually want to rewrite */
    1949         [ #  # ]:          0 :     if (i->thread_info.rewrite_nbytes != (size_t) -1) {
    1950         [ #  # ]:          0 :         if (rewrite) {
    1951                 :            :             /* Make sure to not overwrite over underruns */
    1952         [ #  # ]:          0 :             if (nbytes > i->thread_info.playing_for)
    1953                 :          0 :                 nbytes = (size_t) i->thread_info.playing_for;
    1954                 :            : 
    1955                 :          0 :             i->thread_info.rewrite_nbytes = nbytes;
    1956                 :            :         } else
    1957                 :          0 :             i->thread_info.rewrite_nbytes = (size_t) -1;
    1958                 :            :     }
    1959                 :            : 
    1960                 :          0 :     i->thread_info.rewrite_flush =
    1961 [ #  # ][ #  # ]:          0 :         i->thread_info.rewrite_flush ||
    1962         [ #  # ]:          0 :         (flush && i->thread_info.rewrite_nbytes != 0);
    1963                 :            : 
    1964                 :          0 :     i->thread_info.dont_rewind_render =
    1965 [ #  # ][ #  # ]:          0 :         i->thread_info.dont_rewind_render ||
    1966                 :            :         dont_rewind_render;
    1967                 :            : 
    1968         [ #  # ]:          0 :     if (nbytes != (size_t) -1) {
    1969                 :            : 
    1970                 :            :         /* Transform to sink domain */
    1971         [ #  # ]:          0 :         if (i->thread_info.resampler)
    1972                 :          0 :             nbytes = pa_resampler_result(i->thread_info.resampler, nbytes);
    1973                 :            : 
    1974         [ #  # ]:          0 :         if (nbytes > lbq)
    1975                 :          0 :             pa_sink_request_rewind(i->sink, nbytes - lbq);
    1976                 :            :         else
    1977                 :            :             /* This call will make sure process_rewind() is called later */
    1978                 :          0 :             pa_sink_request_rewind(i->sink, 0);
    1979                 :            :     }
    1980                 :            : }
    1981                 :            : 
    1982                 :            : /* Called from main context */
    1983                 :          0 : pa_memchunk* pa_sink_input_get_silence(pa_sink_input *i, pa_memchunk *ret) {
    1984                 :          0 :     pa_sink_input_assert_ref(i);
    1985         [ #  # ]:          0 :     pa_assert_ctl_context();
    1986         [ #  # ]:          0 :     pa_assert(ret);
    1987                 :            : 
    1988                 :            :     /* FIXME: Shouldn't access resampler object from main context! */
    1989                 :            : 
    1990         [ #  # ]:          0 :     pa_silence_memchunk_get(
    1991                 :          0 :                 &i->core->silence_cache,
    1992                 :          0 :                 i->core->mempool,
    1993                 :            :                 ret,
    1994                 :          0 :                 &i->sample_spec,
    1995                 :          0 :                 i->thread_info.resampler ? pa_resampler_max_block_size(i->thread_info.resampler) : 0);
    1996                 :            : 
    1997                 :          0 :     return ret;
    1998                 :            : }
    1999                 :            : 
    2000                 :            : /* Called from main context */
    2001                 :          0 : void pa_sink_input_send_event(pa_sink_input *i, const char *event, pa_proplist *data) {
    2002                 :          0 :     pa_proplist *pl = NULL;
    2003                 :            :     pa_sink_input_send_event_hook_data hook_data;
    2004                 :            : 
    2005                 :          0 :     pa_sink_input_assert_ref(i);
    2006         [ #  # ]:          0 :     pa_assert_ctl_context();
    2007         [ #  # ]:          0 :     pa_assert(event);
    2008                 :            : 
    2009         [ #  # ]:          0 :     if (!i->send_event)
    2010                 :          0 :         return;
    2011                 :            : 
    2012         [ #  # ]:          0 :     if (!data)
    2013                 :          0 :         data = pl = pa_proplist_new();
    2014                 :            : 
    2015                 :          0 :     hook_data.sink_input = i;
    2016                 :          0 :     hook_data.data = data;
    2017                 :          0 :     hook_data.event = event;
    2018                 :            : 
    2019         [ #  # ]:          0 :     if (pa_hook_fire(&i->core->hooks[PA_CORE_HOOK_SINK_INPUT_SEND_EVENT], &hook_data) < 0)
    2020                 :            :         goto finish;
    2021                 :            : 
    2022                 :          0 :     i->send_event(i, event, data);
    2023                 :            : 
    2024                 :            : finish:
    2025         [ #  # ]:          0 :     if (pl)
    2026                 :          0 :         pa_proplist_free(pl);
    2027                 :            : }
    2028                 :            : 
    2029                 :            : /* Called from main context */
    2030                 :            : /* Updates the sink input's resampler with whatever the current sink requires
    2031                 :            :  * -- useful when the underlying sink's rate might have changed */
    2032                 :          0 : int pa_sink_input_update_rate(pa_sink_input *i) {
    2033                 :            :     pa_resampler *new_resampler;
    2034                 :            :     char *memblockq_name;
    2035                 :            : 
    2036                 :          0 :     pa_sink_input_assert_ref(i);
    2037         [ #  # ]:          0 :     pa_assert_ctl_context();
    2038                 :            : 
    2039   [ #  #  #  # ]:          0 :     if (i->thread_info.resampler &&
    2040         [ #  # ]:          0 :         pa_sample_spec_equal(pa_resampler_output_sample_spec(i->thread_info.resampler), &i->sink->sample_spec) &&
    2041                 :          0 :         pa_channel_map_equal(pa_resampler_output_channel_map(i->thread_info.resampler), &i->sink->channel_map))
    2042                 :            : 
    2043                 :          0 :         new_resampler = i->thread_info.resampler;
    2044                 :            : 
    2045 [ #  # ][ #  # ]:          0 :     else if (!pa_sink_input_is_passthrough(i) &&
    2046         [ #  # ]:          0 :         ((i->flags & PA_SINK_INPUT_VARIABLE_RATE) ||
    2047         [ #  # ]:          0 :          !pa_sample_spec_equal(&i->sample_spec, &i->sink->sample_spec) ||
    2048                 :          0 :          !pa_channel_map_equal(&i->channel_map, &i->sink->channel_map))) {
    2049                 :            : 
    2050                 :          0 :         new_resampler = pa_resampler_new(i->core->mempool,
    2051                 :          0 :                                      &i->sample_spec, &i->channel_map,
    2052                 :          0 :                                      &i->sink->sample_spec, &i->sink->channel_map,
    2053                 :            :                                      i->requested_resample_method,
    2054                 :          0 :                                      ((i->flags & PA_SINK_INPUT_VARIABLE_RATE) ? PA_RESAMPLER_VARIABLE_RATE : 0) |
    2055         [ #  # ]:          0 :                                      ((i->flags & PA_SINK_INPUT_NO_REMAP) ? PA_RESAMPLER_NO_REMAP : 0) |
    2056 [ #  # ][ #  # ]:          0 :                                      (i->core->disable_remixing || (i->flags & PA_SINK_INPUT_NO_REMIX) ? PA_RESAMPLER_NO_REMIX : 0));
    2057                 :            : 
    2058         [ #  # ]:          0 :         if (!new_resampler) {
    2059                 :          0 :             pa_log_warn("Unsupported resampling operation.");
    2060                 :          0 :             return -PA_ERR_NOTSUPPORTED;
    2061                 :            :         }
    2062                 :            :     } else
    2063                 :            :         new_resampler = NULL;
    2064                 :            : 
    2065         [ #  # ]:          0 :     if (new_resampler == i->thread_info.resampler)
    2066                 :            :         return 0;
    2067                 :            : 
    2068         [ #  # ]:          0 :     if (i->thread_info.resampler)
    2069                 :          0 :         pa_resampler_free(i->thread_info.resampler);
    2070                 :            : 
    2071                 :          0 :     i->thread_info.resampler = new_resampler;
    2072                 :            : 
    2073                 :          0 :     pa_memblockq_free(i->thread_info.render_memblockq);
    2074                 :            : 
    2075                 :          0 :     memblockq_name = pa_sprintf_malloc("sink input render_memblockq [%u]", i->index);
    2076                 :          0 :     i->thread_info.render_memblockq = pa_memblockq_new(
    2077                 :            :             memblockq_name,
    2078                 :            :             0,
    2079                 :            :             MEMBLOCKQ_MAXLENGTH,
    2080                 :            :             0,
    2081                 :          0 :             &i->sink->sample_spec,
    2082                 :            :             0,
    2083                 :            :             1,
    2084                 :            :             0,
    2085                 :          0 :             &i->sink->silence);
    2086                 :          0 :     pa_xfree(memblockq_name);
    2087                 :            : 
    2088         [ #  # ]:          0 :     i->actual_resample_method = new_resampler ? pa_resampler_get_method(new_resampler) : PA_RESAMPLER_INVALID;
    2089                 :            : 
    2090                 :          0 :     pa_log_debug("Updated resampler for sink input %d", i->index);
    2091                 :            : 
    2092                 :          0 :     return 0;
    2093                 :            : }

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