int pa__init(pa_module*m) { struct userdata *u; pa_sample_spec ss; pa_channel_map map; pa_modargs *ma; pa_sink *master=NULL; pa_sink_input_new_data sink_input_data; pa_sink_new_data sink_data; pa_bool_t use_volume_sharing = TRUE; pa_bool_t force_flat_volume = FALSE; pa_memchunk silence; 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; } pa_assert(master); ss = master->sample_spec; ss.format = PA_SAMPLE_FLOAT32; map = master->channel_map; if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_DEFAULT) < 0) { pa_log("Invalid sample format specification or channel map"); goto fail; } if (pa_modargs_get_value_boolean(ma, "use_volume_sharing", &use_volume_sharing) < 0) { pa_log("use_volume_sharing= expects a boolean argument"); goto fail; } if (pa_modargs_get_value_boolean(ma, "force_flat_volume", &force_flat_volume) < 0) { pa_log("force_flat_volume= expects a boolean argument"); goto fail; } if (use_volume_sharing && force_flat_volume) { pa_log("Flat volume can't be forced when using volume sharing."); goto fail; } u = pa_xnew0(struct userdata, 1); u->module = m; m->userdata = u; u->channels = ss.channels; /* 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.vsink", master->name); pa_sink_new_data_set_sample_spec(&sink_data, &ss); pa_sink_new_data_set_channel_map(&sink_data, &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"); pa_proplist_sets(sink_data.proplist, "device.vsink.name", sink_data.name); 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 *z; z = pa_proplist_gets(master->proplist, PA_PROP_DEVICE_DESCRIPTION); pa_proplist_setf(sink_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Virtual Sink %s on %s", sink_data.name, z ? z : master->name); } u->sink = pa_sink_new(m->core, &sink_data, (master->flags & (PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY)) | (use_volume_sharing ? PA_SINK_SHARE_VOLUME_WITH_MASTER : 0)); 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_cb; u->sink->set_state = sink_set_state_cb; u->sink->update_requested_latency = sink_update_requested_latency_cb; u->sink->request_rewind = sink_request_rewind_cb; pa_sink_set_set_mute_callback(u->sink, sink_set_mute_cb); if (!use_volume_sharing) { pa_sink_set_set_volume_callback(u->sink, sink_set_volume_cb); pa_sink_enable_decibel_volume(u->sink, TRUE); } /* Normally this flag would be enabled automatically be we can force it. */ if (force_flat_volume) u->sink->flags |= PA_SINK_FLAT_VOLUME; 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_setf(sink_input_data.proplist, PA_PROP_MEDIA_NAME, "Virtual Sink Stream from %s", pa_proplist_gets(u->sink->proplist, PA_PROP_DEVICE_DESCRIPTION)); 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, &map); 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->kill = sink_input_kill_cb; u->sink_input->attach = sink_input_attach_cb; u->sink_input->detach = sink_input_detach_cb; u->sink_input->state_change = sink_input_state_change_cb; u->sink_input->moving = sink_input_moving_cb; u->sink_input->volume_changed = use_volume_sharing ? NULL : sink_input_volume_changed_cb; u->sink_input->mute_changed = sink_input_mute_changed_cb; u->sink_input->userdata = u; u->sink->input_to_master = u->sink_input; pa_sink_input_get_silence(u->sink_input, &silence); u->memblockq = pa_memblockq_new("module-virtual-sink memblockq", 0, MEMBLOCKQ_MAXLENGTH, 0, &ss, 1, 1, 0, &silence); pa_memblock_unref(silence.memblock); /* (9) INITIALIZE ANYTHING ELSE YOU NEED HERE */ 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; }
int pa__init(pa_module *m) { struct userdata *u = NULL; bool record = true, playback = true; pa_sample_spec ss; pa_channel_map map; pa_modargs *ma = NULL; uint32_t buffer_length_msec; int fd = -1; pa_sink_new_data sink_new_data; pa_source_new_data source_new_data; char const *name; char *name_buf; bool namereg_fail; pa_assert(m); if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { pa_log("failed to parse module arguments."); goto fail; } if (pa_modargs_get_value_boolean(ma, "record", &record) < 0 || pa_modargs_get_value_boolean(ma, "playback", &playback) < 0) { pa_log("record= and playback= expect a boolean argument."); goto fail; } if (!playback && !record) { pa_log("neither playback nor record enabled for device."); goto fail; } u = pa_xnew0(struct userdata, 1); if (!(u->smoother = pa_smoother_new(PA_USEC_PER_SEC, PA_USEC_PER_SEC * 2, true, true, 10, pa_rtclock_now(), true))) goto fail; /* * For a process (or several processes) to use the same audio device for both * record and playback at the same time, the device's mixer must be enabled. * See mixerctl(1). It may be turned off for playback only or record only. */ u->mode = (playback && record) ? O_RDWR : (playback ? O_WRONLY : (record ? O_RDONLY : 0)); ss = m->core->default_sample_spec; if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_DEFAULT) < 0) { pa_log("failed to parse sample specification"); goto fail; } u->frame_size = pa_frame_size(&ss); u->minimum_request = pa_usec_to_bytes(PA_USEC_PER_SEC / MAX_RENDER_HZ, &ss); buffer_length_msec = 100; if (pa_modargs_get_value_u32(ma, "buffer_length", &buffer_length_msec) < 0) { pa_log("failed to parse buffer_length argument"); goto fail; } u->buffer_size = pa_usec_to_bytes(1000 * buffer_length_msec, &ss); if (u->buffer_size < 2 * u->minimum_request) { pa_log("buffer_length argument cannot be smaller than %u", (unsigned)(pa_bytes_to_usec(2 * u->minimum_request, &ss) / 1000)); goto fail; } if (u->buffer_size > MAX_BUFFER_SIZE) { pa_log("buffer_length argument cannot be greater than %u", (unsigned)(pa_bytes_to_usec(MAX_BUFFER_SIZE, &ss) / 1000)); goto fail; } u->device_name = pa_xstrdup(pa_modargs_get_value(ma, "device", DEFAULT_DEVICE)); if ((fd = open_audio_device(u, &ss)) < 0) goto fail; u->core = m->core; u->module = m; m->userdata = u; pa_memchunk_reset(&u->memchunk); u->rtpoll = pa_rtpoll_new(); pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll); u->rtpoll_item = NULL; build_pollfd(u); if (u->mode != O_WRONLY) { name_buf = NULL; namereg_fail = true; if (!(name = pa_modargs_get_value(ma, "source_name", NULL))) { name = name_buf = pa_sprintf_malloc("solaris_input.%s", pa_path_get_filename(u->device_name)); namereg_fail = false; } pa_source_new_data_init(&source_new_data); source_new_data.driver = __FILE__; source_new_data.module = m; pa_source_new_data_set_name(&source_new_data, name); source_new_data.namereg_fail = namereg_fail; pa_source_new_data_set_sample_spec(&source_new_data, &ss); pa_source_new_data_set_channel_map(&source_new_data, &map); pa_proplist_sets(source_new_data.proplist, PA_PROP_DEVICE_STRING, u->device_name); pa_proplist_sets(source_new_data.proplist, PA_PROP_DEVICE_API, "solaris"); pa_proplist_sets(source_new_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Solaris PCM source"); pa_proplist_sets(source_new_data.proplist, PA_PROP_DEVICE_ACCESS_MODE, "serial"); pa_proplist_setf(source_new_data.proplist, PA_PROP_DEVICE_BUFFERING_BUFFER_SIZE, "%lu", (unsigned long) u->buffer_size); if (pa_modargs_get_proplist(ma, "source_properties", source_new_data.proplist, PA_UPDATE_REPLACE) < 0) { pa_log("Invalid properties"); pa_source_new_data_done(&source_new_data); goto fail; } u->source = pa_source_new(m->core, &source_new_data, PA_SOURCE_HARDWARE|PA_SOURCE_LATENCY); pa_source_new_data_done(&source_new_data); pa_xfree(name_buf); if (!u->source) { pa_log("Failed to create source object"); goto fail; } u->source->userdata = u; u->source->parent.process_msg = source_process_msg; pa_source_set_asyncmsgq(u->source, u->thread_mq.inq); pa_source_set_rtpoll(u->source, u->rtpoll); pa_source_set_fixed_latency(u->source, pa_bytes_to_usec(u->buffer_size, &u->source->sample_spec)); pa_source_set_get_volume_callback(u->source, source_get_volume); pa_source_set_set_volume_callback(u->source, source_set_volume); u->source->refresh_volume = true; } else u->source = NULL; if (u->mode != O_RDONLY) { name_buf = NULL; namereg_fail = true; if (!(name = pa_modargs_get_value(ma, "sink_name", NULL))) { name = name_buf = pa_sprintf_malloc("solaris_output.%s", pa_path_get_filename(u->device_name)); namereg_fail = false; } pa_sink_new_data_init(&sink_new_data); sink_new_data.driver = __FILE__; sink_new_data.module = m; pa_sink_new_data_set_name(&sink_new_data, name); sink_new_data.namereg_fail = namereg_fail; pa_sink_new_data_set_sample_spec(&sink_new_data, &ss); pa_sink_new_data_set_channel_map(&sink_new_data, &map); pa_proplist_sets(sink_new_data.proplist, PA_PROP_DEVICE_STRING, u->device_name); pa_proplist_sets(sink_new_data.proplist, PA_PROP_DEVICE_API, "solaris"); pa_proplist_sets(sink_new_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Solaris PCM sink"); pa_proplist_sets(sink_new_data.proplist, PA_PROP_DEVICE_ACCESS_MODE, "serial"); if (pa_modargs_get_proplist(ma, "sink_properties", sink_new_data.proplist, PA_UPDATE_REPLACE) < 0) { pa_log("Invalid properties"); pa_sink_new_data_done(&sink_new_data); goto fail; } u->sink = pa_sink_new(m->core, &sink_new_data, PA_SINK_HARDWARE|PA_SINK_LATENCY); pa_sink_new_data_done(&sink_new_data); pa_assert(u->sink); u->sink->userdata = u; u->sink->parent.process_msg = sink_process_msg; pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq); pa_sink_set_rtpoll(u->sink, u->rtpoll); pa_sink_set_fixed_latency(u->sink, pa_bytes_to_usec(u->buffer_size, &u->sink->sample_spec)); pa_sink_set_max_request(u->sink, u->buffer_size); pa_sink_set_max_rewind(u->sink, u->buffer_size); pa_sink_set_get_volume_callback(u->sink, sink_get_volume); pa_sink_set_set_volume_callback(u->sink, sink_set_volume); pa_sink_set_get_mute_callback(u->sink, sink_get_mute); pa_sink_set_set_mute_callback(u->sink, sink_set_mute); u->sink->refresh_volume = u->sink->refresh_muted = true; } else u->sink = NULL; pa_assert(u->source || u->sink); u->sig = pa_signal_new(SIGPOLL, sig_callback, u); if (u->sig) ioctl(u->fd, I_SETSIG, S_MSG); else pa_log_warn("Could not register SIGPOLL handler"); if (!(u->thread = pa_thread_new("solaris", thread_func, u))) { pa_log("Failed to create thread."); goto fail; } /* Read mixer settings */ if (u->sink) { if (sink_new_data.volume_is_set) u->sink->set_volume(u->sink); else u->sink->get_volume(u->sink); if (sink_new_data.muted_is_set) u->sink->set_mute(u->sink); else u->sink->get_mute(u->sink); pa_sink_put(u->sink); } if (u->source) { if (source_new_data.volume_is_set) u->source->set_volume(u->source); else u->source->get_volume(u->source); pa_source_put(u->source); } pa_modargs_free(ma); return 0; fail: if (u) pa__done(m); else if (fd >= 0) close(fd); if (ma) pa_modargs_free(ma); return -1; }
int pa__init(pa_module*m) { struct userdata *u = NULL; pa_sample_spec ss; pa_modargs *ma = NULL; const char *server; pa_sink_new_data data; pa_assert(m); if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { pa_log("failed to parse module arguments"); goto fail; } ss.format = PA_SAMPLE_S16NE; ss.channels = 2; ss.rate = m->core->default_sample_spec.rate; if (pa_modargs_get_sample_spec(ma, &ss) < 0) { pa_log("invalid sample format specification"); goto fail; } if ((ss.format != PA_SAMPLE_S16NE) || (ss.channels > 2)) { pa_log("sample type support is limited to mono/stereo and S16NE sample data"); goto fail; } u = pa_xnew0(struct userdata, 1); u->core = m->core; u->module = m; m->userdata = u; u->fd = -1; u->smoother = pa_smoother_new( PA_USEC_PER_SEC, PA_USEC_PER_SEC*2, true, true, 10, 0, false); pa_memchunk_reset(&u->raw_memchunk); pa_memchunk_reset(&u->encoded_memchunk); u->offset = 0; u->encoding_overhead = 0; u->next_encoding_overhead = 0; u->encoding_ratio = 1.0; u->rtpoll = pa_rtpoll_new(); pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll); u->rtpoll_item = NULL; /*u->format = (ss.format == PA_SAMPLE_U8 ? ESD_BITS8 : ESD_BITS16) | (ss.channels == 2 ? ESD_STEREO : ESD_MONO);*/ u->rate = ss.rate; u->block_size = pa_usec_to_bytes(PA_USEC_PER_SEC/20, &ss); u->read_data = u->write_data = NULL; u->read_index = u->write_index = u->read_length = u->write_length = 0; /*u->state = STATE_AUTH;*/ u->latency = 0; if (!(server = pa_modargs_get_value(ma, "server", NULL))) { pa_log("No server argument given."); goto fail; } pa_sink_new_data_init(&data); data.driver = __FILE__; data.module = m; pa_sink_new_data_set_name(&data, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME)); pa_sink_new_data_set_sample_spec(&data, &ss); pa_proplist_sets(data.proplist, PA_PROP_DEVICE_STRING, server); pa_proplist_sets(data.proplist, PA_PROP_DEVICE_INTENDED_ROLES, "music"); pa_proplist_setf(data.proplist, PA_PROP_DEVICE_DESCRIPTION, "RAOP sink '%s'", server); if (pa_modargs_get_proplist(ma, "sink_properties", data.proplist, PA_UPDATE_REPLACE) < 0) { pa_log("Invalid properties"); pa_sink_new_data_done(&data); goto fail; } u->sink = pa_sink_new(m->core, &data, PA_SINK_LATENCY|PA_SINK_NETWORK); pa_sink_new_data_done(&data); if (!u->sink) { pa_log("Failed to create sink."); goto fail; } u->sink->parent.process_msg = sink_process_msg; u->sink->userdata = u; pa_sink_set_set_volume_callback(u->sink, sink_set_volume_cb); pa_sink_set_set_mute_callback(u->sink, sink_set_mute_cb); u->sink->flags = PA_SINK_LATENCY|PA_SINK_NETWORK; pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq); pa_sink_set_rtpoll(u->sink, u->rtpoll); if (!(u->raop = pa_raop_client_new(u->core, server))) { pa_log("Failed to connect to server."); goto fail; } pa_raop_client_set_callback(u->raop, on_connection, u); pa_raop_client_set_closed_callback(u->raop, on_close, u); if (!(u->thread = pa_thread_new("raop-sink", thread_func, u))) { pa_log("Failed to create thread."); goto fail; } pa_sink_put(u->sink); 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, sink_input_ss; pa_channel_map map, sink_input_map; pa_modargs *ma; pa_sink *master=NULL; pa_sink_input_new_data sink_input_data; pa_sink_new_data sink_data; bool use_volume_sharing = true; bool force_flat_volume = false; pa_memchunk silence; const char *hrir_file; unsigned i, j, found_channel_left, found_channel_right; float *hrir_data; pa_sample_spec hrir_ss; pa_channel_map hrir_map; pa_sample_spec hrir_temp_ss; pa_memchunk hrir_temp_chunk, hrir_temp_chunk_resampled; pa_resampler *resampler; size_t hrir_copied_length, hrir_total_length; hrir_temp_chunk.memblock = NULL; hrir_temp_chunk_resampled.memblock = NULL; 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; } pa_assert(master); u = pa_xnew0(struct userdata, 1); u->module = m; m->userdata = u; /* Initialize hrir and input buffer */ /* this is the hrir file for the left ear! */ if (!(hrir_file = pa_modargs_get_value(ma, "hrir", NULL))) { pa_log("The mandatory 'hrir' module argument is missing."); goto fail; } if (pa_sound_file_load(master->core->mempool, hrir_file, &hrir_temp_ss, &hrir_map, &hrir_temp_chunk, NULL) < 0) { pa_log("Cannot load hrir file."); goto fail; } /* sample spec / map of hrir */ hrir_ss.format = PA_SAMPLE_FLOAT32; hrir_ss.rate = master->sample_spec.rate; hrir_ss.channels = hrir_temp_ss.channels; /* sample spec of sink */ ss = hrir_ss; map = hrir_map; if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_DEFAULT) < 0) { pa_log("Invalid sample format specification or channel map"); goto fail; } ss.format = PA_SAMPLE_FLOAT32; hrir_ss.rate = ss.rate; u->channels = ss.channels; if (pa_modargs_get_value_boolean(ma, "use_volume_sharing", &use_volume_sharing) < 0) { pa_log("use_volume_sharing= expects a boolean argument"); goto fail; } if (pa_modargs_get_value_boolean(ma, "force_flat_volume", &force_flat_volume) < 0) { pa_log("force_flat_volume= expects a boolean argument"); goto fail; } if (use_volume_sharing && force_flat_volume) { pa_log("Flat volume can't be forced when using volume sharing."); goto fail; } /* sample spec / map of sink input */ pa_channel_map_init_stereo(&sink_input_map); sink_input_ss.channels = 2; sink_input_ss.format = PA_SAMPLE_FLOAT32; sink_input_ss.rate = ss.rate; u->sink_fs = pa_frame_size(&ss); u->fs = pa_frame_size(&sink_input_ss); /* 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.vsurroundsink", master->name); pa_sink_new_data_set_sample_spec(&sink_data, &ss); pa_sink_new_data_set_channel_map(&sink_data, &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"); pa_proplist_sets(sink_data.proplist, "device.vsurroundsink.name", sink_data.name); 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 *z; z = pa_proplist_gets(master->proplist, PA_PROP_DEVICE_DESCRIPTION); pa_proplist_setf(sink_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Virtual Surround Sink %s on %s", sink_data.name, z ? z : master->name); } u->sink = pa_sink_new(m->core, &sink_data, (master->flags & (PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY)) | (use_volume_sharing ? PA_SINK_SHARE_VOLUME_WITH_MASTER : 0)); 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_cb; u->sink->set_state = sink_set_state_cb; u->sink->update_requested_latency = sink_update_requested_latency_cb; u->sink->request_rewind = sink_request_rewind_cb; pa_sink_set_set_mute_callback(u->sink, sink_set_mute_cb); if (!use_volume_sharing) { pa_sink_set_set_volume_callback(u->sink, sink_set_volume_cb); pa_sink_enable_decibel_volume(u->sink, true); } /* Normally this flag would be enabled automatically be we can force it. */ if (force_flat_volume) u->sink->flags |= PA_SINK_FLAT_VOLUME; 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_setf(sink_input_data.proplist, PA_PROP_MEDIA_NAME, "Virtual Surround Sink Stream from %s", pa_proplist_gets(u->sink->proplist, PA_PROP_DEVICE_DESCRIPTION)); pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_ROLE, "filter"); pa_sink_input_new_data_set_sample_spec(&sink_input_data, &sink_input_ss); pa_sink_input_new_data_set_channel_map(&sink_input_data, &sink_input_map); 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->kill = sink_input_kill_cb; u->sink_input->attach = sink_input_attach_cb; u->sink_input->detach = sink_input_detach_cb; u->sink_input->state_change = sink_input_state_change_cb; u->sink_input->moving = sink_input_moving_cb; u->sink_input->volume_changed = use_volume_sharing ? NULL : sink_input_volume_changed_cb; u->sink_input->mute_changed = sink_input_mute_changed_cb; u->sink_input->userdata = u; u->sink->input_to_master = u->sink_input; pa_sink_input_get_silence(u->sink_input, &silence); u->memblockq = pa_memblockq_new("module-virtual-surround-sink memblockq", 0, MEMBLOCKQ_MAXLENGTH, 0, &sink_input_ss, 1, 1, 0, &silence); pa_memblock_unref(silence.memblock); /* resample hrir */ resampler = pa_resampler_new(u->sink->core->mempool, &hrir_temp_ss, &hrir_map, &hrir_ss, &hrir_map, PA_RESAMPLER_SRC_SINC_BEST_QUALITY, PA_RESAMPLER_NO_REMAP); u->hrir_samples = hrir_temp_chunk.length / pa_frame_size(&hrir_temp_ss) * hrir_ss.rate / hrir_temp_ss.rate; if (u->hrir_samples > 64) { u->hrir_samples = 64; pa_log("The (resampled) hrir contains more than 64 samples. Only the first 64 samples will be used to limit processor usage."); } hrir_total_length = u->hrir_samples * pa_frame_size(&hrir_ss); u->hrir_channels = hrir_ss.channels; u->hrir_data = (float *) pa_xmalloc(hrir_total_length); hrir_copied_length = 0; /* add silence to the hrir until we get enough samples out of the resampler */ while (hrir_copied_length < hrir_total_length) { pa_resampler_run(resampler, &hrir_temp_chunk, &hrir_temp_chunk_resampled); if (hrir_temp_chunk.memblock != hrir_temp_chunk_resampled.memblock) { /* Silence input block */ pa_silence_memblock(hrir_temp_chunk.memblock, &hrir_temp_ss); } if (hrir_temp_chunk_resampled.memblock) { /* Copy hrir data */ hrir_data = (float *) pa_memblock_acquire(hrir_temp_chunk_resampled.memblock); if (hrir_total_length - hrir_copied_length >= hrir_temp_chunk_resampled.length) { memcpy(u->hrir_data + hrir_copied_length, hrir_data, hrir_temp_chunk_resampled.length); hrir_copied_length += hrir_temp_chunk_resampled.length; } else { memcpy(u->hrir_data + hrir_copied_length, hrir_data, hrir_total_length - hrir_copied_length); hrir_copied_length = hrir_total_length; } pa_memblock_release(hrir_temp_chunk_resampled.memblock); pa_memblock_unref(hrir_temp_chunk_resampled.memblock); hrir_temp_chunk_resampled.memblock = NULL; } } pa_resampler_free(resampler); pa_memblock_unref(hrir_temp_chunk.memblock); hrir_temp_chunk.memblock = NULL; if (hrir_map.channels < map.channels) { pa_log("hrir file does not have enough channels!"); goto fail; } normalize_hrir(u); /* create mapping between hrir and input */ u->mapping_left = (unsigned *) pa_xnew0(unsigned, u->channels); u->mapping_right = (unsigned *) pa_xnew0(unsigned, u->channels); for (i = 0; i < map.channels; i++) { found_channel_left = 0; found_channel_right = 0; for (j = 0; j < hrir_map.channels; j++) { if (hrir_map.map[j] == map.map[i]) { u->mapping_left[i] = j; found_channel_left = 1; } if (hrir_map.map[j] == mirror_channel(map.map[i])) { u->mapping_right[i] = j; found_channel_right = 1; } } if (!found_channel_left) { pa_log("Cannot find mapping for channel %s", pa_channel_position_to_string(map.map[i])); goto fail; } if (!found_channel_right) { pa_log("Cannot find mapping for channel %s", pa_channel_position_to_string(mirror_channel(map.map[i]))); goto fail; } } u->input_buffer = pa_xmalloc0(u->hrir_samples * u->sink_fs); u->input_buffer_offset = 0; pa_sink_put(u->sink); pa_sink_input_put(u->sink_input); pa_modargs_free(ma); return 0; fail: if (hrir_temp_chunk.memblock) pa_memblock_unref(hrir_temp_chunk.memblock); if (hrir_temp_chunk_resampled.memblock) pa_memblock_unref(hrir_temp_chunk_resampled.memblock); if (ma) pa_modargs_free(ma); pa__done(m); return -1; }