static void sink_info_callback(pa_context *context, const pa_sink_info *info, int eol, void *pdata) { ALCdevice *device = pdata; pulse_data *data = device->ExtraData; char chanmap_str[256] = ""; const struct { const char *str; enum DevFmtChannels chans; } chanmaps[] = { { "front-left,front-right,front-center,lfe,rear-left,rear-right,side-left,side-right", DevFmtX71 }, { "front-left,front-right,front-center,lfe,rear-center,side-left,side-right", DevFmtX61 }, { "front-left,front-right,front-center,lfe,rear-left,rear-right", DevFmtX51 }, { "front-left,front-right,front-center,lfe,side-left,side-right", DevFmtX51Side }, { "front-left,front-right,rear-left,rear-right", DevFmtQuad }, { "front-left,front-right", DevFmtStereo }, { "mono", DevFmtMono }, { NULL, 0 } }; int i; (void)context; if(eol) { pa_threaded_mainloop_signal(data->loop, 0); return; } for(i = 0; chanmaps[i].str; i++) { pa_channel_map map; if(!pa_channel_map_parse(&map, chanmaps[i].str)) continue; if(pa_channel_map_equal(&info->channel_map, &map) #if PA_CHECK_VERSION(0,9,15) || (pa_channel_map_superset && pa_channel_map_superset(&info->channel_map, &map)) #endif ) { device->FmtChans = chanmaps[i].chans; return; } } pa_channel_map_snprint(chanmap_str, sizeof(chanmap_str), &info->channel_map); ERR("Failed to find format for channel map:\n %s\n", chanmap_str); }
pa_cvolume *pa_cvolume_remap(pa_cvolume *v, const pa_channel_map *from, const pa_channel_map *to) { int a, b; pa_cvolume result; pa_assert(v); pa_assert(from); pa_assert(to); pa_return_val_if_fail(pa_channel_map_valid(to), NULL); pa_return_val_if_fail(pa_cvolume_compatible_with_channel_map(v, from), NULL); if (pa_channel_map_equal(from, to)) return v; result.channels = to->channels; for (b = 0; b < to->channels; b++) { pa_volume_t k = 0; int n = 0; for (a = 0; a < from->channels; a++) if (from->map[a] == to->map[b]) { k += v->values[a]; n ++; } if (n <= 0) { for (a = 0; a < from->channels; a++) if ((on_left(from->map[a]) && on_left(to->map[b])) || (on_right(from->map[a]) && on_right(to->map[b])) || (on_center(from->map[a]) && on_center(to->map[b])) || (on_lfe(from->map[a]) && on_lfe(to->map[b]))) { k += v->values[a]; n ++; } } if (n <= 0) k = pa_cvolume_avg(v); else k /= n; result.values[b] = k; } *v = result; return v; }
void PulseAudioSystem::write_callback(pa_stream *s, size_t bytes, void *userdata) { PulseAudioSystem *pas = reinterpret_cast<PulseAudioSystem *>(userdata); Q_ASSERT(s == pas->pasOutput); AudioOutputPtr ao = g.ao; PulseAudioOutput *pao = dynamic_cast<PulseAudioOutput *>(ao.get()); unsigned char buffer[bytes]; if (! pao) { // Transitioning, but most likely transitions back, so just zero. memset(buffer, 0, bytes); pa_stream_write(s, buffer, bytes, NULL, 0, PA_SEEK_RELATIVE); pas->wakeup(); return; } const pa_sample_spec *pss = pa_stream_get_sample_spec(s); const pa_channel_map *pcm = pa_stream_get_channel_map(pas->pasOutput); if (!pa_sample_spec_equal(pss, &pao->pss) || !pa_channel_map_equal(pcm, &pao->pcm)) { pao->pss = *pss; pao->pcm = *pcm; if (pss->format == PA_SAMPLE_FLOAT32NE) pao->eSampleFormat = PulseAudioOutput::SampleFloat; else pao->eSampleFormat = PulseAudioOutput::SampleShort; pao->iMixerFreq = pss->rate; pao->iChannels = pss->channels; unsigned int chanmasks[pss->channels]; for (int i=0;i<pss->channels;++i) { unsigned int cm = 0; switch (pcm->map[i]) { case PA_CHANNEL_POSITION_LEFT: cm = SPEAKER_FRONT_LEFT; break; case PA_CHANNEL_POSITION_RIGHT: cm = SPEAKER_FRONT_RIGHT; break; case PA_CHANNEL_POSITION_CENTER: cm = SPEAKER_FRONT_CENTER; break; case PA_CHANNEL_POSITION_REAR_LEFT: cm = SPEAKER_BACK_LEFT; break; case PA_CHANNEL_POSITION_REAR_RIGHT: cm = SPEAKER_BACK_RIGHT; break; case PA_CHANNEL_POSITION_REAR_CENTER: cm = SPEAKER_BACK_CENTER; break; case PA_CHANNEL_POSITION_LFE: cm = SPEAKER_LOW_FREQUENCY; break; case PA_CHANNEL_POSITION_SIDE_LEFT: cm = SPEAKER_SIDE_LEFT; break; case PA_CHANNEL_POSITION_SIDE_RIGHT: cm = SPEAKER_SIDE_RIGHT; break; case PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER: cm = SPEAKER_FRONT_LEFT_OF_CENTER; break; case PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER: cm = SPEAKER_FRONT_RIGHT_OF_CENTER; break; default: cm = 0; break; } chanmasks[i] = cm; } pao->initializeMixer(chanmasks); } const unsigned int iSampleSize = pao->iSampleSize; const unsigned int samples = static_cast<unsigned int>(bytes) / iSampleSize; bool oldAttenuation = pas->bAttenuating; // do we have some mixed output? if (pao->mix(buffer, samples)) { // attenuate if instructed to or it's in settings pas->bAttenuating = (g.bAttenuateOthers || g.s.bAttenuateOthers); } else { memset(buffer, 0, bytes); // attenuate if intructed to (self-activated) pas->bAttenuating = g.bAttenuateOthers; } // if the attenuation state has changed if (oldAttenuation != pas->bAttenuating) { pas->setVolumes(); } pa_stream_write(s, buffer, iSampleSize * samples, NULL, 0, PA_SEEK_RELATIVE); }
int pa__init(pa_module*m) { struct userdata *u; pa_sample_spec ss; pa_channel_map source_map, stream_map; pa_modargs *ma; pa_source *master; pa_source_output_new_data source_output_data; pa_source_new_data source_data; bool remix = true; pa_assert(m); if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { pa_log("Failed to parse module arguments."); goto fail; } if (!(master = pa_namereg_get(m->core, pa_modargs_get_value(ma, "master", NULL), PA_NAMEREG_SOURCE))) { pa_log("Master source not found."); goto fail; } ss = master->sample_spec; source_map = master->channel_map; if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &source_map, PA_CHANNEL_MAP_DEFAULT) < 0) { pa_log("Invalid sample format specification or channel map."); goto fail; } stream_map = source_map; if (pa_modargs_get_channel_map(ma, "master_channel_map", &stream_map) < 0) { pa_log("Invalid master channel map."); goto fail; } if (stream_map.channels != ss.channels) { pa_log("Number of channels doesn't match."); goto fail; } if (pa_channel_map_equal(&stream_map, &master->channel_map)) pa_log_warn("No remapping configured, proceeding nonetheless!"); if (pa_modargs_get_value_boolean(ma, "remix", &remix) < 0) { pa_log("Invalid boolean remix parameter."); goto fail; } u = pa_xnew0(struct userdata, 1); u->module = m; m->userdata = u; /* Create source */ pa_source_new_data_init(&source_data); source_data.driver = __FILE__; source_data.module = m; if (!(source_data.name = pa_xstrdup(pa_modargs_get_value(ma, "source_name", NULL)))) source_data.name = pa_sprintf_malloc("%s.remapped", master->name); pa_source_new_data_set_sample_spec(&source_data, &ss); pa_source_new_data_set_channel_map(&source_data, &source_map); pa_proplist_sets(source_data.proplist, PA_PROP_DEVICE_MASTER_DEVICE, master->name); pa_proplist_sets(source_data.proplist, PA_PROP_DEVICE_CLASS, "filter"); if (pa_modargs_get_proplist(ma, "source_properties", source_data.proplist, PA_UPDATE_REPLACE) < 0) { pa_log("Invalid properties."); pa_source_new_data_done(&source_data); goto fail; } if ((u->auto_desc = !pa_proplist_contains(source_data.proplist, PA_PROP_DEVICE_DESCRIPTION))) { const char *k; k = pa_proplist_gets(master->proplist, PA_PROP_DEVICE_DESCRIPTION); pa_proplist_setf(source_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Remapped %s", k ? k : master->name); } u->source = pa_source_new(m->core, &source_data, master->flags & (PA_SOURCE_LATENCY|PA_SOURCE_DYNAMIC_LATENCY)); pa_source_new_data_done(&source_data); if (!u->source) { pa_log("Failed to create source."); goto fail; } u->source->parent.process_msg = source_process_msg_cb; u->source->set_state = source_set_state_cb; u->source->update_requested_latency = source_update_requested_latency_cb; u->source->userdata = u; pa_source_set_asyncmsgq(u->source, master->asyncmsgq); /* Create source output */ pa_source_output_new_data_init(&source_output_data); source_output_data.driver = __FILE__; source_output_data.module = m; pa_source_output_new_data_set_source(&source_output_data, master, false); source_output_data.destination_source = u->source; pa_proplist_sets(source_output_data.proplist, PA_PROP_MEDIA_NAME, "Remapped Stream"); pa_proplist_sets(source_output_data.proplist, PA_PROP_MEDIA_ROLE, "filter"); pa_source_output_new_data_set_sample_spec(&source_output_data, &ss); pa_source_output_new_data_set_channel_map(&source_output_data, &stream_map); source_output_data.flags = remix ? 0 : PA_SOURCE_OUTPUT_NO_REMIX; pa_source_output_new(&u->source_output, m->core, &source_output_data); pa_source_output_new_data_done(&source_output_data); if (!u->source_output) goto fail; u->source_output->push = source_output_push_cb; u->source_output->process_rewind = source_output_process_rewind_cb; u->source_output->kill = source_output_kill_cb; u->source_output->attach = source_output_attach_cb; u->source_output->detach = source_output_detach_cb; u->source_output->state_change = source_output_state_change_cb; u->source_output->moving = source_output_moving_cb; u->source_output->userdata = u; u->source->output_from_master = u->source_output; pa_source_put(u->source); pa_source_output_put(u->source_output); pa_modargs_free(ma); return 0; fail: if (ma) pa_modargs_free(ma); pa__done(m); return -1; }
int pa__init(pa_module*m) { struct userdata *u; pa_sample_spec ss; pa_channel_map sink_map, stream_map; pa_modargs *ma; pa_sink *master; pa_sink_input_new_data sink_input_data; pa_sink_new_data sink_data; pa_bool_t remix = TRUE; pa_assert(m); if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { pa_log("Failed to parse module arguments."); goto fail; } if (!(master = pa_namereg_get(m->core, pa_modargs_get_value(ma, "master", NULL), PA_NAMEREG_SINK))) { pa_log("Master sink not found"); goto fail; } ss = master->sample_spec; sink_map = master->channel_map; if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &sink_map, PA_CHANNEL_MAP_DEFAULT) < 0) { pa_log("Invalid sample format specification or channel map"); goto fail; } stream_map = sink_map; if (pa_modargs_get_channel_map(ma, "master_channel_map", &stream_map) < 0) { pa_log("Invalid master channel map"); goto fail; } if (stream_map.channels != ss.channels) { pa_log("Number of channels doesn't match"); goto fail; } if (pa_channel_map_equal(&stream_map, &master->channel_map)) pa_log_warn("No remapping configured, proceeding nonetheless!"); if (pa_modargs_get_value_boolean(ma, "remix", &remix) < 0) { pa_log("Invalid boolean remix parameter"); goto fail; } u = pa_xnew0(struct userdata, 1); u->module = m; m->userdata = u; /* Create sink */ pa_sink_new_data_init(&sink_data); sink_data.driver = __FILE__; sink_data.module = m; if (!(sink_data.name = pa_xstrdup(pa_modargs_get_value(ma, "sink_name", NULL)))) sink_data.name = pa_sprintf_malloc("%s.remapped", master->name); pa_sink_new_data_set_sample_spec(&sink_data, &ss); pa_sink_new_data_set_channel_map(&sink_data, &sink_map); pa_proplist_sets(sink_data.proplist, PA_PROP_DEVICE_MASTER_DEVICE, master->name); pa_proplist_sets(sink_data.proplist, PA_PROP_DEVICE_CLASS, "filter"); if (pa_modargs_get_proplist(ma, "sink_properties", sink_data.proplist, PA_UPDATE_REPLACE) < 0) { pa_log("Invalid properties"); pa_sink_new_data_done(&sink_data); goto fail; } if ((u->auto_desc = !pa_proplist_contains(sink_data.proplist, PA_PROP_DEVICE_DESCRIPTION))) { const char *k; k = pa_proplist_gets(master->proplist, PA_PROP_DEVICE_DESCRIPTION); pa_proplist_setf(sink_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Remapped %s", k ? k : master->name); } u->sink = pa_sink_new(m->core, &sink_data, master->flags & (PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY)); pa_sink_new_data_done(&sink_data); if (!u->sink) { pa_log("Failed to create sink."); goto fail; } u->sink->parent.process_msg = sink_process_msg; u->sink->set_state = sink_set_state; u->sink->update_requested_latency = sink_update_requested_latency; u->sink->request_rewind = sink_request_rewind; u->sink->userdata = u; pa_sink_set_asyncmsgq(u->sink, master->asyncmsgq); /* Create sink input */ pa_sink_input_new_data_init(&sink_input_data); sink_input_data.driver = __FILE__; sink_input_data.module = m; pa_sink_input_new_data_set_sink(&sink_input_data, master, FALSE); sink_input_data.origin_sink = u->sink; pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_NAME, "Remapped Stream"); pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_ROLE, "filter"); pa_sink_input_new_data_set_sample_spec(&sink_input_data, &ss); pa_sink_input_new_data_set_channel_map(&sink_input_data, &stream_map); sink_input_data.flags = (remix ? 0 : PA_SINK_INPUT_NO_REMIX); pa_sink_input_new(&u->sink_input, m->core, &sink_input_data); pa_sink_input_new_data_done(&sink_input_data); if (!u->sink_input) goto fail; u->sink_input->pop = sink_input_pop_cb; u->sink_input->process_rewind = sink_input_process_rewind_cb; u->sink_input->update_max_rewind = sink_input_update_max_rewind_cb; u->sink_input->update_max_request = sink_input_update_max_request_cb; u->sink_input->update_sink_latency_range = sink_input_update_sink_latency_range_cb; u->sink_input->update_sink_fixed_latency = sink_input_update_sink_fixed_latency_cb; u->sink_input->attach = sink_input_attach_cb; u->sink_input->detach = sink_input_detach_cb; u->sink_input->kill = sink_input_kill_cb; u->sink_input->state_change = sink_input_state_change_cb; u->sink_input->may_move_to = sink_input_may_move_to_cb; u->sink_input->moving = sink_input_moving_cb; u->sink_input->userdata = u; u->sink->input_to_master = u->sink_input; pa_sink_put(u->sink); pa_sink_input_put(u->sink_input); pa_modargs_free(ma); return 0; fail: if (ma) pa_modargs_free(ma); pa__done(m); return -1; }
/* Called from main context */ int pa_source_output_finish_move(pa_source_output *o, pa_source *dest, pa_bool_t save) { pa_resampler *new_resampler; pa_source_output_assert_ref(o); pa_assert_ctl_context(); pa_assert(PA_SOURCE_OUTPUT_IS_LINKED(o->state)); pa_assert(!o->source); pa_source_assert_ref(dest); if (!pa_source_output_may_move_to(o, dest)) return -1; if (o->thread_info.resampler && pa_sample_spec_equal(pa_resampler_input_sample_spec(o->thread_info.resampler), &dest->sample_spec) && pa_channel_map_equal(pa_resampler_input_channel_map(o->thread_info.resampler), &dest->channel_map)) /* Try to reuse the old resampler if possible */ new_resampler = o->thread_info.resampler; else if ((o->flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) || !pa_sample_spec_equal(&o->sample_spec, &dest->sample_spec) || !pa_channel_map_equal(&o->channel_map, &dest->channel_map)) { /* Okey, we need a new resampler for the new source */ if (!(new_resampler = pa_resampler_new( o->core->mempool, &dest->sample_spec, &dest->channel_map, &o->sample_spec, &o->channel_map, o->requested_resample_method, ((o->flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) ? PA_RESAMPLER_VARIABLE_RATE : 0) | ((o->flags & PA_SOURCE_OUTPUT_NO_REMAP) ? PA_RESAMPLER_NO_REMAP : 0) | (o->core->disable_remixing || (o->flags & PA_SOURCE_OUTPUT_NO_REMIX) ? PA_RESAMPLER_NO_REMIX : 0)))) { pa_log_warn("Unsupported resampling operation."); return -PA_ERR_NOTSUPPORTED; } } else new_resampler = NULL; if (o->moving) o->moving(o, dest); o->source = dest; o->save_source = save; pa_idxset_put(o->source->outputs, pa_source_output_ref(o), NULL); if (pa_source_output_get_state(o) == PA_SOURCE_OUTPUT_CORKED) o->source->n_corked++; /* Replace resampler */ if (new_resampler != o->thread_info.resampler) { if (o->thread_info.resampler) pa_resampler_free(o->thread_info.resampler); o->thread_info.resampler = new_resampler; pa_memblockq_free(o->thread_info.delay_memblockq); o->thread_info.delay_memblockq = pa_memblockq_new( 0, MEMBLOCKQ_MAXLENGTH, 0, pa_frame_size(&o->source->sample_spec), 0, 1, 0, &o->source->silence); o->actual_resample_method = new_resampler ? pa_resampler_get_method(new_resampler) : PA_RESAMPLER_INVALID; } pa_source_update_status(dest); pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o->source), PA_SOURCE_MESSAGE_ADD_OUTPUT, o, 0, NULL) == 0); pa_log_debug("Successfully moved source output %i to %s.", o->index, dest->name); /* Notify everyone */ pa_hook_fire(&o->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_FINISH], o); pa_subscription_post(o->core, PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT|PA_SUBSCRIPTION_EVENT_CHANGE, o->index); return 0; }
/* Called from main context */ int pa_source_output_new( pa_source_output**_o, pa_core *core, pa_source_output_new_data *data) { pa_source_output *o; pa_resampler *resampler = NULL; char st[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX]; int r; char *pt; pa_assert(_o); pa_assert(core); pa_assert(data); pa_assert_ctl_context(); if (data->client) pa_proplist_update(data->proplist, PA_UPDATE_MERGE, data->client->proplist); if ((r = pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_NEW], data)) < 0) return r; pa_return_val_if_fail(!data->driver || pa_utf8_valid(data->driver), -PA_ERR_INVALID); if (!data->source) { data->source = pa_namereg_get(core, NULL, PA_NAMEREG_SOURCE); data->save_source = FALSE; } pa_return_val_if_fail(data->source, -PA_ERR_NOENTITY); pa_return_val_if_fail(PA_SOURCE_IS_LINKED(pa_source_get_state(data->source)), -PA_ERR_BADSTATE); pa_return_val_if_fail(!data->direct_on_input || data->direct_on_input->sink == data->source->monitor_of, -PA_ERR_INVALID); if (!data->sample_spec_is_set) data->sample_spec = data->source->sample_spec; pa_return_val_if_fail(pa_sample_spec_valid(&data->sample_spec), -PA_ERR_INVALID); if (!data->channel_map_is_set) { if (pa_channel_map_compatible(&data->source->channel_map, &data->sample_spec)) data->channel_map = data->source->channel_map; else pa_channel_map_init_extend(&data->channel_map, data->sample_spec.channels, PA_CHANNEL_MAP_DEFAULT); } pa_return_val_if_fail(pa_channel_map_valid(&data->channel_map), -PA_ERR_INVALID); pa_return_val_if_fail(pa_channel_map_compatible(&data->channel_map, &data->sample_spec), -PA_ERR_INVALID); if (data->flags & PA_SOURCE_OUTPUT_FIX_FORMAT) data->sample_spec.format = data->source->sample_spec.format; if (data->flags & PA_SOURCE_OUTPUT_FIX_RATE) data->sample_spec.rate = data->source->sample_spec.rate; if (data->flags & PA_SOURCE_OUTPUT_FIX_CHANNELS) { data->sample_spec.channels = data->source->sample_spec.channels; data->channel_map = data->source->channel_map; } pa_assert(pa_sample_spec_valid(&data->sample_spec)); pa_assert(pa_channel_map_valid(&data->channel_map)); if (data->resample_method == PA_RESAMPLER_INVALID) data->resample_method = core->resample_method; pa_return_val_if_fail(data->resample_method < PA_RESAMPLER_MAX, -PA_ERR_INVALID); if ((r = pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_FIXATE], data)) < 0) return r; if ((data->flags & PA_SOURCE_OUTPUT_NO_CREATE_ON_SUSPEND) && pa_source_get_state(data->source) == PA_SOURCE_SUSPENDED) { pa_log("Failed to create source output: source is suspended."); return -PA_ERR_BADSTATE; } if (pa_idxset_size(data->source->outputs) >= PA_MAX_OUTPUTS_PER_SOURCE) { pa_log("Failed to create source output: too many outputs per source."); return -PA_ERR_TOOLARGE; } if ((data->flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) || !pa_sample_spec_equal(&data->sample_spec, &data->source->sample_spec) || !pa_channel_map_equal(&data->channel_map, &data->source->channel_map)) { if (!(resampler = pa_resampler_new( core->mempool, &data->source->sample_spec, &data->source->channel_map, &data->sample_spec, &data->channel_map, data->resample_method, ((data->flags & PA_SOURCE_OUTPUT_VARIABLE_RATE) ? PA_RESAMPLER_VARIABLE_RATE : 0) | ((data->flags & PA_SOURCE_OUTPUT_NO_REMAP) ? PA_RESAMPLER_NO_REMAP : 0) | (core->disable_remixing || (data->flags & PA_SOURCE_OUTPUT_NO_REMIX) ? PA_RESAMPLER_NO_REMIX : 0) | (core->disable_lfe_remixing ? PA_RESAMPLER_NO_LFE : 0)))) { pa_log_warn("Unsupported resampling operation."); return -PA_ERR_NOTSUPPORTED; } } o = pa_msgobject_new(pa_source_output); o->parent.parent.free = source_output_free; o->parent.process_msg = pa_source_output_process_msg; o->core = core; o->state = PA_SOURCE_OUTPUT_INIT; o->flags = data->flags; o->proplist = pa_proplist_copy(data->proplist); o->driver = pa_xstrdup(pa_path_get_filename(data->driver)); o->module = data->module; o->source = data->source; o->destination_source = data->destination_source; o->client = data->client; o->actual_resample_method = resampler ? pa_resampler_get_method(resampler) : PA_RESAMPLER_INVALID; o->requested_resample_method = data->resample_method; o->sample_spec = data->sample_spec; o->channel_map = data->channel_map; o->direct_on_input = data->direct_on_input; o->save_source = data->save_source; reset_callbacks(o); o->userdata = NULL; o->thread_info.state = o->state; o->thread_info.attached = FALSE; o->thread_info.sample_spec = o->sample_spec; o->thread_info.resampler = resampler; o->thread_info.requested_source_latency = (pa_usec_t) -1; o->thread_info.direct_on_input = o->direct_on_input; o->thread_info.delay_memblockq = pa_memblockq_new( 0, MEMBLOCKQ_MAXLENGTH, 0, pa_frame_size(&o->source->sample_spec), 0, 1, 0, &o->source->silence); pa_assert_se(pa_idxset_put(core->source_outputs, o, &o->index) == 0); pa_assert_se(pa_idxset_put(o->source->outputs, pa_source_output_ref(o), NULL) == 0); if (o->client) pa_assert_se(pa_idxset_put(o->client->source_outputs, o, NULL) >= 0); if (o->direct_on_input) pa_assert_se(pa_idxset_put(o->direct_on_input->direct_outputs, o, NULL) == 0); pt = pa_proplist_to_string_sep(o->proplist, "\n "); pa_log_info("Created output %u \"%s\" on %s with sample spec %s and channel map %s\n %s", o->index, pa_strnull(pa_proplist_gets(o->proplist, PA_PROP_MEDIA_NAME)), o->source->name, pa_sample_spec_snprint(st, sizeof(st), &o->sample_spec), pa_channel_map_snprint(cm, sizeof(cm), &o->channel_map), pt); pa_xfree(pt); /* Don't forget to call pa_source_output_put! */ *_o = o; return 0; }