int voice_init_voip_sink(struct userdata *u, const char *name) {
    pa_sink_new_data sink_data;
    pa_assert(u);
    pa_assert(u->core);
    pa_assert(u->master_sink);
    ENTER();

    pa_sink_new_data_init(&sink_data);
    sink_data.module = u->module;
    sink_data.driver = __FILE__;
    pa_sink_new_data_set_name(&sink_data, name);
    pa_sink_new_data_set_sample_spec(&sink_data, &u->aep_sample_spec);
    pa_sink_new_data_set_channel_map(&sink_data, &u->aep_channel_map);
    pa_proplist_setf(sink_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "%s connected conceptually to %s", name, u->raw_sink->name);
    pa_proplist_sets(sink_data.proplist, PA_PROP_DEVICE_MASTER_DEVICE, u->raw_sink->name);
    pa_proplist_sets(sink_data.proplist, "module-suspend-on-idle.timeout", "1");

    pa_proplist_sets(sink_data.proplist, PA_PROP_SINK_API_EXTENSION_PROPERTY_NAME,
                     PA_PROP_SINK_API_EXTENSION_PROPERTY_VALUE);

    u->voip_sink = pa_sink_new(u->core, &sink_data,
                               (u->master_sink->flags & (PA_SINK_LATENCY | PA_SINK_DYNAMIC_LATENCY)) | PA_SINK_SHARE_VOLUME_WITH_MASTER);

    pa_sink_new_data_done(&sink_data);

    /* Create sink */
    if (!u->voip_sink) {
        pa_log_error("Failed to create sink.");
        return -1;
    }

    u->voip_sink->parent.process_msg = voip_sink_process_msg;
    u->voip_sink->set_state = voip_sink_set_state;
    u->voip_sink->update_requested_latency = voip_sink_update_requested_latency;
    u->voip_sink->request_rewind = voip_sink_request_rewind;
    u->voip_sink->userdata = u;
    pa_memblock_ref(u->aep_silence_memchunk.memblock);
    u->voip_sink->silence = u->aep_silence_memchunk;

    pa_sink_set_asyncmsgq(u->voip_sink, u->master_sink->asyncmsgq);
    pa_sink_set_rtpoll(u->voip_sink, u->master_sink->thread_info.rtpoll);

    return 0;
}
int pa__init (pa_module *m) 
{
    struct userdata *u;
    pa_channel_map map;
    pa_sample_spec ss;
    pa_modargs *ma = NULL;
    pa_sink_new_data data;
    size_t nbytes;

    pa_assert(m);

    ma = pa_modargs_new(m->argument, valid_modargs);
    if (!ma) {
        pa_log ("failed to parse module arguments.");
        goto fail;
    }
    
    ss = m->core->default_sample_spec;
    map = m->core->default_channel_map;
    
    m->userdata = u = pa_xnew0(struct userdata, 1);
    u->core = m->core;
    u->module = m;
    u->rtpoll = pa_rtpoll_new();
    /* Init message queueu */
    pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);

    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_sink_new_data_set_channel_map(&data, &map);
    
    u->sink = pa_sink_new(m->core, &data, PA_SINK_LATENCY);
    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;

    /* set message queue and rtopoll to sink */
    pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
    pa_sink_set_rtpoll(u->sink, u->rtpoll);

    u->block_usec = BLOCK_USEC;
    nbytes = pa_usec_to_bytes(u->block_usec, &u->sink->sample_spec);
    pa_sink_set_max_rewind(u->sink, nbytes);
    pa_sink_set_max_request(u->sink, nbytes);

    u->thread = pa_thread_new("awesome-sink", thread_func, u);
    if (!u->thread) {
        pa_log ("Failed to create thread");
        goto fail;
    }

    /* this called only when sink latency is set to dynamic */
    //pa_sink_set_latency_range(u->sink, 0, BLOCK_USEC);

    pa_sink_put(u->sink); /* sink given to core */

    pa_modargs_free(ma);

    return 0;     
    
fail:
    return -1;
}
Ejemplo n.º 3
0
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;
    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;
}
Ejemplo n.º 5
0
int pa__init(pa_module*m) {
    struct userdata *u = NULL;
    pa_sample_spec ss;
    pa_channel_map map;
    pa_modargs *ma = NULL;
    pa_sink_new_data data;
    size_t nbytes;

    pa_assert(m);

    if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
        pa_log("Failed to parse module arguments.");
        goto fail;
    }

    ss = m->core->default_sample_spec;
    map = m->core->default_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;
    }

    m->userdata = u = pa_xnew0(struct userdata, 1);
    u->core = m->core;
    u->module = m;
    u->rtpoll = pa_rtpoll_new();
    pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);

    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_sink_new_data_set_channel_map(&data, &map);
    pa_proplist_sets(data.proplist, PA_PROP_DEVICE_DESCRIPTION, _("Null Output"));
    pa_proplist_sets(data.proplist, PA_PROP_DEVICE_CLASS, "abstract");

    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_DYNAMIC_LATENCY);
    pa_sink_new_data_done(&data);

    if (!u->sink) {
        pa_log("Failed to create sink object.");
        goto fail;
    }

    u->sink->parent.process_msg = sink_process_msg;
    u->sink->update_requested_latency = sink_update_requested_latency_cb;
    u->sink->userdata = u;

    pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
    pa_sink_set_rtpoll(u->sink, u->rtpoll);

    u->block_usec = BLOCK_USEC;
    nbytes = pa_usec_to_bytes(u->block_usec, &u->sink->sample_spec);
    pa_sink_set_max_rewind(u->sink, nbytes);
    pa_sink_set_max_request(u->sink, nbytes);

    if (!(u->thread = pa_thread_new("null-sink", thread_func, u))) {
        pa_log("Failed to create thread.");
        goto fail;
    }

    pa_sink_set_latency_range(u->sink, 0, BLOCK_USEC);

    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 = NULL;
    pa_sample_spec ss;
    pa_channel_map map;
    pa_modargs *ma = NULL;
    jack_status_t status;
    const char *server_name, *client_name;
    uint32_t channels = 0;
    pa_bool_t do_connect = TRUE;
    unsigned i;
    const char **ports = NULL, **p;
    pa_sink_new_data data;

    pa_assert(m);

    jack_set_error_function(jack_error_func);

    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, "connect", &do_connect) < 0) {
        pa_log("Failed to parse connect= argument.");
        goto fail;
    }

    server_name = pa_modargs_get_value(ma, "server_name", NULL);
    client_name = pa_modargs_get_value(ma, "client_name", "PulseAudio JACK Sink");

    m->userdata = u = pa_xnew0(struct userdata, 1);
    u->core = m->core;
    u->module = m;
    u->saved_frame_time_valid = FALSE;
    u->rtpoll = pa_rtpoll_new();
    pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);

    /* The queue linking the JACK thread and our RT thread */
    u->jack_msgq = pa_asyncmsgq_new(0);

    /* The msgq from the JACK RT thread should have an even higher
     * priority than the normal message queues, to match the guarantee
     * all other drivers make: supplying the audio device with data is
     * the top priority -- and as long as that is possible we don't do
     * anything else */
    u->rtpoll_item = pa_rtpoll_item_new_asyncmsgq_read(u->rtpoll, PA_RTPOLL_EARLY-1, u->jack_msgq);

    if (!(u->client = jack_client_open(client_name, server_name ? JackServerName : JackNullOption, &status, server_name))) {
        pa_log("jack_client_open() failed.");
        goto fail;
    }

    ports = jack_get_ports(u->client, NULL, JACK_DEFAULT_AUDIO_TYPE, JackPortIsPhysical|JackPortIsInput);

    channels = 0;
    for (p = ports; *p; p++)
        channels++;

    if (!channels)
        channels = m->core->default_sample_spec.channels;

    if (pa_modargs_get_value_u32(ma, "channels", &channels) < 0 ||
        channels <= 0 ||
        channels > PA_CHANNELS_MAX) {
        pa_log("Failed to parse channels= argument.");
        goto fail;
    }

    if (channels == m->core->default_channel_map.channels)
        map = m->core->default_channel_map;
    else
        pa_channel_map_init_extend(&map, channels, PA_CHANNEL_MAP_ALSA);

    if (pa_modargs_get_channel_map(ma, NULL, &map) < 0 || map.channels != channels) {
        pa_log("Failed to parse channel_map= argument.");
        goto fail;
    }

    pa_log_info("Successfully connected as '%s'", jack_get_client_name(u->client));

    u->channels = ss.channels = (uint8_t) channels;
    ss.rate = jack_get_sample_rate(u->client);
    ss.format = PA_SAMPLE_FLOAT32NE;

    pa_assert(pa_sample_spec_valid(&ss));

    for (i = 0; i < ss.channels; i++) {
        if (!(u->port[i] = jack_port_register(u->client, pa_channel_position_to_string(map.map[i]), JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput|JackPortIsTerminal, 0))) {
            pa_log("jack_port_register() failed.");
            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_sink_new_data_set_channel_map(&data, &map);
    pa_proplist_sets(data.proplist, PA_PROP_DEVICE_API, "jack");
    if (server_name)
        pa_proplist_sets(data.proplist, PA_PROP_DEVICE_STRING, server_name);
    pa_proplist_setf(data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Jack sink (%s)", jack_get_client_name(u->client));
    pa_proplist_sets(data.proplist, "jack.client_name", jack_get_client_name(u->client));

    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_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_asyncmsgq(u->sink, u->thread_mq.inq);
    pa_sink_set_rtpoll(u->sink, u->rtpoll);
    pa_sink_set_max_request(u->sink, jack_get_buffer_size(u->client) * pa_frame_size(&u->sink->sample_spec));

    jack_set_process_callback(u->client, jack_process, u);
    jack_on_shutdown(u->client, jack_shutdown, u);
    jack_set_thread_init_callback(u->client, jack_init, u);
    jack_set_buffer_size_callback(u->client, jack_buffer_size, u);

    if (!(u->thread = pa_thread_new(thread_func, u))) {
        pa_log("Failed to create thread.");
        goto fail;
    }

    if (jack_activate(u->client)) {
        pa_log("jack_activate() failed");
        goto fail;
    }

    if (do_connect) {
        for (i = 0, p = ports; i < ss.channels; i++, p++) {

            if (!*p) {
                pa_log("Not enough physical output ports, leaving unconnected.");
                break;
            }

            pa_log_info("Connecting %s to %s", jack_port_name(u->port[i]), *p);

            if (jack_connect(u->client, jack_port_name(u->port[i]), *p)) {
                pa_log("Failed to connect %s to %s, leaving unconnected.", jack_port_name(u->port[i]), *p);
                break;
            }
        }
    }

    pa_sink_put(u->sink);

    free(ports);
    pa_modargs_free(ma);

    return 0;

fail:
    if (ma)
        pa_modargs_free(ma);

    free(ports);

    pa__done(m);

    return -1;
}
Ejemplo n.º 7
0
int pa__init(pa_module* m)
{
    pa_assert(m);

    /* this example uses fixed sample spec and channel map
     *
     * however, usually we to the following instead:
     *  - set sample spec and chennel map to default values:
     *      m->core->default_sample_spec
     *      m->core->default_channel_map
     *
     *  - overwrite them with pa_modargs_get_sample_spec_and_channel_map()
     *    if module was loaded with corresponding arguments
     *
     *  - finally adjust values to nearest supported form
     */
    pa_sample_spec sample_spec;
    sample_spec.format = PA_SAMPLE_FLOAT32LE;
    sample_spec.rate = 44100;
    sample_spec.channels = 2;

    pa_channel_map channel_map;
    pa_channel_map_init_stereo(&channel_map);

    /* get module arguments (key-value list passed to load-module) */
    pa_modargs *args;
    if (!(args = pa_modargs_new(m->argument, example_sink_modargs))) {
        pa_log("[example sink] failed to parse module arguments");
        goto error;
    }

    /* create and initialize module-specific data */
    struct example_sink_userdata *u = pa_xnew0(struct example_sink_userdata, 1);
    pa_assert(u);
    m->userdata = u;

    u->module = m;
    u->rtpoll = pa_rtpoll_new();
    pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);

    u->output_file = pa_modargs_get_value(args, "output_file", "/dev/null");
    u->output_fd = open(u->output_file, O_WRONLY | O_CREAT | O_TRUNC);
    if (u->output_fd == -1) {
        pa_log("[example sink] can't open output file %s", u->output_file);
        goto error;
    }

    /* create and initialize sink */
    pa_sink_new_data data;
    pa_sink_new_data_init(&data);
    data.driver = "example_sink";
    data.module = m;
    pa_sink_new_data_set_name(
        &data,
        pa_modargs_get_value(args, "sink_name", "example_sink"));
    pa_sink_new_data_set_sample_spec(&data, &sample_spec);
    pa_sink_new_data_set_channel_map(&data, &channel_map);

    if (pa_modargs_get_proplist(
            args,
            "sink_properties",
            data.proplist,
            PA_UPDATE_REPLACE) < 0) {
        pa_log("[example sink] invalid sink properties");
        pa_sink_new_data_done(&data);
        goto error;
    }

    u->sink = pa_sink_new(m->core, &data, PA_SINK_LATENCY);
    pa_sink_new_data_done(&data);

    if (!u->sink) {
        pa_log("[example sink] failed to create sink");
        goto error;
    }

    /* setup sink callbacks */
    u->sink->parent.process_msg = process_message;
    u->sink->userdata = u;

    /* setup sink event loop */
    pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
    pa_sink_set_rtpoll(u->sink, u->rtpoll);

    /* start thread for sink event loop and sample reader */
    if (!(u->thread = pa_thread_new("example_sink", thread_loop, u))) {
        pa_log("[example sink] failed to create thread");
        goto error;
    }

    pa_sink_put(u->sink);
    pa_modargs_free(args);

    return 0;

error:
    if (args) {
        pa_modargs_free(args);
    }
    pa__done(m);

    return -1;
}
Ejemplo n.º 8
0
int pa__init(pa_module*m) {
    struct userdata *u = NULL;
    pa_sample_spec ss;
    pa_channel_map map;
    pa_modargs *ma = NULL;
    pa_sink_new_data data;
    size_t nbytes;

    pa_assert(m);

    if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
        pa_log("Failed to parse module arguments.");
        goto fail;
    }

    ss = m->core->default_sample_spec;
    map = m->core->default_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;
    }

    m->userdata = u = pa_xnew0(struct userdata, 1);
    u->core = m->core;
    u->module = m;
    u->rtpoll = pa_rtpoll_new();
    pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);

    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_sink_new_data_set_channel_map(&data, &map);
    pa_proplist_sets(data.proplist, PA_PROP_DEVICE_DESCRIPTION, "xrdp sink");
    pa_proplist_sets(data.proplist, PA_PROP_DEVICE_CLASS, "abstract");

    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_DYNAMIC_LATENCY);
    pa_sink_new_data_done(&data);

    if (!u->sink) {
        pa_log("Failed to create sink object.");
        goto fail;
    }

    u->sink->parent.process_msg = sink_process_msg;
    u->sink->update_requested_latency = sink_update_requested_latency_cb;
    u->sink->userdata = u;

    pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
    pa_sink_set_rtpoll(u->sink, u->rtpoll);

    u->block_usec = BLOCK_USEC;
    pa_log_debug("3 block_usec %d", u->block_usec);
    nbytes = pa_usec_to_bytes(u->block_usec, &u->sink->sample_spec);
    pa_sink_set_max_rewind(u->sink, nbytes);
    pa_sink_set_max_request(u->sink, nbytes);

    u->display_num = get_display_num_from_display(getenv("DISPLAY"));

#if defined(PA_CHECK_VERSION)
#if PA_CHECK_VERSION(0, 9, 22)
    if (!(u->thread = pa_thread_new("xrdp-sink", thread_func, u))) {
#else
    if (!(u->thread = pa_thread_new(thread_func, u))) {
#endif
#else
    if (!(u->thread = pa_thread_new(thread_func, u))) {
#endif
        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__get_n_used(pa_module *m) {
    struct userdata *u;

    pa_assert(m);
    pa_assert_se(u = m->userdata);

    return pa_sink_linked_by(u->sink);
}

void pa__done(pa_module*m) {
    struct userdata *u;

    pa_assert(m);

    if (!(u = m->userdata)) {
        return;
    }

    if (u->sink) {
        pa_sink_unlink(u->sink);
    }

    if (u->thread) {
        pa_asyncmsgq_send(u->thread_mq.inq, NULL, PA_MESSAGE_SHUTDOWN,
                          NULL, 0, NULL);
        pa_thread_free(u->thread);
    }

    pa_thread_mq_done(&u->thread_mq);

    if (u->sink) {
        pa_sink_unref(u->sink);
    }

    if (u->rtpoll) {
        pa_rtpoll_free(u->rtpoll);
    }

    pa_xfree(u);
}
Ejemplo n.º 9
0
int pa__init(pa_module*m) {

    struct userdata *u;
    pa_modargs *ma;
    pa_sink_new_data data;
    int backend_state;
    int ret;
    char strbuf[100];

    pa_assert(m);

    if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
        pa_log("Failed to parse module arguments.");
        goto fail;
    }

    ss = m->core->default_sample_spec;
    map = m->core->default_channel_map;

    /* user arguments override these */
    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");
        return 1;
    }

    /* Xen Basic init */
    xsh = xs_domain_open();
    if (xsh==NULL) {
        pa_log("xs_domain_open failed");
        goto fail;
    }
    set_state(XenbusStateUnknown);

    xch = xc_interface_open(NULL, NULL, 0);
    if (xch==0) {
        pa_log("xc_interface_open failed");
        goto fail;
    }

    xce = xc_evtchn_open(NULL, 0);
    if (xce==0) {
        pa_log("xc_evtchn_open failed");
        goto fail;
    }

    /* use only dom0 as the backend for now */
    xen_evtchn_port = xc_evtchn_bind_unbound_port(xce, 0);
    if (xen_evtchn_port == 0) {
        pa_log("xc_evtchn_bind_unbound_port failed");
    }

    /* get grant reference & map locally */
    if (alloc_gref(&gref, (void**)&ioring)) {
       pa_log("alloc_gref failed");
    };
    device_id = 0; /* hardcoded for now */

    if (register_backend_state_watch()) {
        pa_log("Xen sink: register xenstore watch failed");
    };

    publish_param_int("event-channel", xen_evtchn_port);
    publish_param_int("ring-ref", gref.gref_ids[0]);

    /* let's ask for something absurd and deal with rejection */
    ss.rate = 192000;

    publish_spec(&ss);

    ret=0;
    while (!ret) {
        backend_state = wait_for_backend_state_change();
        if (backend_state == STATE_UNDEFINED) {
            pa_log("Xen Backend is taking long to respond, still waiting...");
            continue;
        } else if (backend_state == -1) {
            pa_log("Error while waiting for backend: %s", strerror(errno));
            break;
            goto fail;
        }
        ret = state_callbacks[backend_state]();
    }
    if (ret!=NEGOTIATION_OK) {
        pa_log("Negotiation with Xen backend failed!");
        return 1;
    }

    pa_sample_spec_snprint(strbuf, 100, &ss);
    pa_log_debug("Negotiation ended, the result was: %s", strbuf);

    /* End of Phase 2, begin playback cycle */

    u = pa_xnew0(struct userdata, 1);
    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->write_type = 0;

    /* init ring buffer */
    ioring->prod_indx = ioring->cons_indx = 0;
    ioring->usable_buffer_space = BUFSIZE - BUFSIZE % pa_frame_size(&ss);

    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_proplist_sets(data.proplist, PA_PROP_DEVICE_STRING, "xensink");
    pa_proplist_setf(data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Xen PV audio sink");
    pa_sink_new_data_set_sample_spec(&data, &ss);
    pa_sink_new_data_set_channel_map(&data, &map);

    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_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_asyncmsgq(u->sink, u->thread_mq.inq);
    pa_sink_set_rtpoll(u->sink, u->rtpoll);
    pa_sink_set_max_request(u->sink, ioring->usable_buffer_space);
    pa_sink_set_fixed_latency(u->sink, pa_bytes_to_usec(ioring->usable_buffer_space, &u->sink->sample_spec));

    u->rtpoll_item = pa_rtpoll_item_new(u->rtpoll, PA_RTPOLL_NEVER, 1);

    if (!(u->thread = pa_thread_new("xenpv-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;
}
Ejemplo n.º 10
0
int pa__init(pa_module*m) {
    struct userdata *u = NULL;
    pa_sample_spec ss;
    pa_modargs *ma = NULL;
    const char *espeaker;
    uint32_t key;
    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 = m->core->default_sample_spec;
    if (pa_modargs_get_sample_spec(ma, &ss) < 0) {
        pa_log("invalid sample format specification");
        goto fail;
    }

    if ((ss.format != PA_SAMPLE_U8 && ss.format != PA_SAMPLE_S16NE) ||
        (ss.channels > 2)) {
        pa_log("esound sample type support is limited to mono/stereo and U8 or 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->memchunk);
    u->offset = 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 = (int32_t) 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 (!(espeaker = getenv("ESPEAKER")))
        espeaker = ESD_UNIX_SOCKET_NAME;

    espeaker = pa_modargs_get_value(ma, "server", espeaker);

    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, espeaker);
    pa_proplist_sets(data.proplist, PA_PROP_DEVICE_API, "esd");
    pa_proplist_setf(data.proplist, PA_PROP_DEVICE_DESCRIPTION, "EsounD Output on %s", espeaker);

    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_asyncmsgq(u->sink, u->thread_mq.inq);
    pa_sink_set_rtpoll(u->sink, u->rtpoll);

    if (!(u->client = pa_socket_client_new_string(u->core->mainloop, TRUE, espeaker, ESD_DEFAULT_PORT))) {
        pa_log("Failed to connect to server.");
        goto fail;
    }

    pa_socket_client_set_callback(u->client, on_connection, u);

    /* Prepare the initial request */
    u->write_data = pa_xmalloc(u->write_length = ESD_KEY_LEN + sizeof(int32_t));
    if (pa_authkey_load_auto(pa_modargs_get_value(ma, "cookie", ".esd_auth"), u->write_data, ESD_KEY_LEN) < 0) {
        pa_log("Failed to load cookie");
        goto fail;
    }

    key = ESD_ENDIAN_KEY;
    memcpy((uint8_t*) u->write_data + ESD_KEY_LEN, &key, sizeof(key));

    /* Reserve space for the response */
    u->read_data = pa_xmalloc(u->read_length = sizeof(int32_t));

    if (!(u->thread = pa_thread_new("esound-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;
}
Ejemplo n.º 11
0
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;
}
Ejemplo n.º 12
0
int pa__init(pa_module*m) {
    struct userdata *u;
    pa_sample_spec ss;
    pa_channel_map map;
    pa_modargs *ma;
    char *t;
    pa_sink *master;
    pa_sink_input_new_data sink_input_data;
    pa_sink_new_data sink_data;
    const char *plugin, *label;
    LADSPA_Descriptor_Function descriptor_func;
    const char *e, *cdata;
    const LADSPA_Descriptor *d;
    unsigned long input_port, output_port, p, j, n_control;
    unsigned c;
    pa_bool_t *use_default = NULL;

    pa_assert(m);

    pa_assert_cc(sizeof(LADSPA_Data) == sizeof(float));

    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;
    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 (!(plugin = pa_modargs_get_value(ma, "plugin", NULL))) {
        pa_log("Missing LADSPA plugin name");
        goto fail;
    }

    if (!(label = pa_modargs_get_value(ma, "label", NULL))) {
        pa_log("Missing LADSPA plugin label");
        goto fail;
    }

    cdata = pa_modargs_get_value(ma, "control", NULL);

    u = pa_xnew0(struct userdata, 1);
    u->module = m;
    m->userdata = u;
    u->memblockq = pa_memblockq_new(0, MEMBLOCKQ_MAXLENGTH, 0, pa_frame_size(&ss), 1, 1, 0, NULL);

    if (!(e = getenv("LADSPA_PATH")))
        e = LADSPA_PATH;

    /* FIXME: This is not exactly thread safe */
    t = pa_xstrdup(lt_dlgetsearchpath());
    lt_dlsetsearchpath(e);
    m->dl = lt_dlopenext(plugin);
    lt_dlsetsearchpath(t);
    pa_xfree(t);

    if (!m->dl) {
        pa_log("Failed to load LADSPA plugin: %s", lt_dlerror());
        goto fail;
    }

    if (!(descriptor_func = (LADSPA_Descriptor_Function) pa_load_sym(m->dl, NULL, "ladspa_descriptor"))) {
        pa_log("LADSPA module lacks ladspa_descriptor() symbol.");
        goto fail;
    }

    for (j = 0;; j++) {

        if (!(d = descriptor_func(j))) {
            pa_log("Failed to find plugin label '%s' in plugin '%s'.", label, plugin);
            goto fail;
        }

        if (strcmp(d->Label, label) == 0)
            break;
    }

    u->descriptor = d;

    pa_log_debug("Module: %s", plugin);
    pa_log_debug("Label: %s", d->Label);
    pa_log_debug("Unique ID: %lu", d->UniqueID);
    pa_log_debug("Name: %s", d->Name);
    pa_log_debug("Maker: %s", d->Maker);
    pa_log_debug("Copyright: %s", d->Copyright);

    input_port = output_port = (unsigned long) -1;
    n_control = 0;

    for (p = 0; p < d->PortCount; p++) {

        if (LADSPA_IS_PORT_INPUT(d->PortDescriptors[p]) && LADSPA_IS_PORT_AUDIO(d->PortDescriptors[p])) {

            if (strcmp(d->PortNames[p], "Input") == 0) {
                pa_assert(input_port == (unsigned long) -1);
                input_port = p;
            } else {
                pa_log("Found audio input port on plugin we cannot handle: %s", d->PortNames[p]);
                goto fail;
            }

        } else if (LADSPA_IS_PORT_OUTPUT(d->PortDescriptors[p]) && LADSPA_IS_PORT_AUDIO(d->PortDescriptors[p])) {

            if (strcmp(d->PortNames[p], "Output") == 0) {
                pa_assert(output_port == (unsigned long) -1);
                output_port = p;
            } else {
                pa_log("Found audio output port on plugin we cannot handle: %s", d->PortNames[p]);
                goto fail;
            }

        } else if (LADSPA_IS_PORT_INPUT(d->PortDescriptors[p]) && LADSPA_IS_PORT_CONTROL(d->PortDescriptors[p]))
            n_control++;
        else {
            pa_assert(LADSPA_IS_PORT_OUTPUT(d->PortDescriptors[p]) && LADSPA_IS_PORT_CONTROL(d->PortDescriptors[p]));
            pa_log_debug("Ignored control output port \"%s\".", d->PortNames[p]);
        }
    }

    if ((input_port == (unsigned long) -1) || (output_port == (unsigned long) -1)) {
        pa_log("Failed to identify input and output ports. "
               "Right now this module can only deal with plugins which provide an 'Input' and an 'Output' audio port. "
               "Patches welcome!");
        goto fail;
    }

    u->block_size = pa_frame_align(pa_mempool_block_size_max(m->core->mempool), &ss);

    u->input = (LADSPA_Data*) pa_xnew(uint8_t, (unsigned) u->block_size);
    if (LADSPA_IS_INPLACE_BROKEN(d->Properties))
        u->output = (LADSPA_Data*) pa_xnew(uint8_t, (unsigned) u->block_size);
    else
        u->output = u->input;

    u->channels = ss.channels;

    for (c = 0; c < ss.channels; c++) {
        if (!(u->handle[c] = d->instantiate(d, ss.rate))) {
            pa_log("Failed to instantiate plugin %s with label %s for channel %i", plugin, d->Label, c);
            goto fail;
        }

        d->connect_port(u->handle[c], input_port, u->input);
        d->connect_port(u->handle[c], output_port, u->output);
    }

    if (!cdata && n_control > 0) {
        pa_log("This plugin requires specification of %lu control parameters.", n_control);
        goto fail;
    }

    if (n_control > 0) {
        const char *state = NULL;
        char *k;
        unsigned long h;

        u->control = pa_xnew(LADSPA_Data, (unsigned) n_control);
        use_default = pa_xnew(pa_bool_t, (unsigned) n_control);
        p = 0;

        while ((k = pa_split(cdata, ",", &state)) && p < n_control) {
            double f;

            if (*k == 0) {
                use_default[p++] = TRUE;
                pa_xfree(k);
                continue;
            }

            if (pa_atod(k, &f) < 0) {
                pa_log("Failed to parse control value '%s'", k);
                pa_xfree(k);
                goto fail;
            }

            pa_xfree(k);

            use_default[p] = FALSE;
            u->control[p++] = (LADSPA_Data) f;
        }

        /* The previous loop doesn't take the last control value into account
           if it is left empty, so we do it here. */
        if (*cdata == 0 || cdata[strlen(cdata) - 1] == ',') {
            if (p < n_control)
                use_default[p] = TRUE;
            p++;
        }

        if (p > n_control || k) {
            pa_log("Too many control values passed, %lu expected.", n_control);
            pa_xfree(k);
            goto fail;
        }

        if (p < n_control) {
            pa_log("Not enough control values passed, %lu expected, %lu passed.", n_control, p);
            goto fail;
        }

        h = 0;
        for (p = 0; p < d->PortCount; p++) {
            LADSPA_PortRangeHintDescriptor hint = d->PortRangeHints[p].HintDescriptor;

            if (!LADSPA_IS_PORT_CONTROL(d->PortDescriptors[p]))
                continue;

            if (LADSPA_IS_PORT_OUTPUT(d->PortDescriptors[p])) {
                for (c = 0; c < ss.channels; c++)
                    d->connect_port(u->handle[c], p, &u->control_out);
                continue;
            }

            pa_assert(h < n_control);

            if (use_default[h]) {
                LADSPA_Data lower, upper;

                if (!LADSPA_IS_HINT_HAS_DEFAULT(hint)) {
                    pa_log("Control port value left empty but plugin defines no default.");
                    goto fail;
                }

                lower = d->PortRangeHints[p].LowerBound;
                upper = d->PortRangeHints[p].UpperBound;

                if (LADSPA_IS_HINT_SAMPLE_RATE(hint)) {
                    lower *= (LADSPA_Data) ss.rate;
                    upper *= (LADSPA_Data) ss.rate;
                }

                switch (hint & LADSPA_HINT_DEFAULT_MASK) {

                    case LADSPA_HINT_DEFAULT_MINIMUM:
                        u->control[h] = lower;
                        break;

                    case LADSPA_HINT_DEFAULT_MAXIMUM:
                        u->control[h] = upper;
                        break;

                    case LADSPA_HINT_DEFAULT_LOW:
                        if (LADSPA_IS_HINT_LOGARITHMIC(hint))
                            u->control[h] = (LADSPA_Data) exp(log(lower) * 0.75 + log(upper) * 0.25);
                        else
                            u->control[h] = (LADSPA_Data) (lower * 0.75 + upper * 0.25);
                        break;

                    case LADSPA_HINT_DEFAULT_MIDDLE:
                        if (LADSPA_IS_HINT_LOGARITHMIC(hint))
                            u->control[h] = (LADSPA_Data) exp(log(lower) * 0.5 + log(upper) * 0.5);
                        else
                            u->control[h] = (LADSPA_Data) (lower * 0.5 + upper * 0.5);
                        break;

                    case LADSPA_HINT_DEFAULT_HIGH:
                        if (LADSPA_IS_HINT_LOGARITHMIC(hint))
                            u->control[h] = (LADSPA_Data) exp(log(lower) * 0.25 + log(upper) * 0.75);
                        else
                            u->control[h] = (LADSPA_Data) (lower * 0.25 + upper * 0.75);
                        break;

                    case LADSPA_HINT_DEFAULT_0:
                        u->control[h] = 0;
                        break;

                    case LADSPA_HINT_DEFAULT_1:
                        u->control[h] = 1;
                        break;

                    case LADSPA_HINT_DEFAULT_100:
                        u->control[h] = 100;
                        break;

                    case LADSPA_HINT_DEFAULT_440:
                        u->control[h] = 440;
                        break;

                    default:
                        pa_assert_not_reached();
                }
            }

            if (LADSPA_IS_HINT_INTEGER(hint))
                u->control[h] = roundf(u->control[h]);

            pa_log_debug("Binding %f to port %s", u->control[h], d->PortNames[p]);

            for (c = 0; c < ss.channels; c++)
                d->connect_port(u->handle[c], p, &u->control[h]);

            h++;
        }

        pa_assert(h == n_control);
    }

    if (d->activate)
        for (c = 0; c < u->channels; c++)
            d->activate(u->handle[c]);

    /* 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.ladspa", 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.ladspa.module", plugin);
    pa_proplist_sets(sink_data.proplist, "device.ladspa.label", d->Label);
    pa_proplist_sets(sink_data.proplist, "device.ladspa.name", d->Name);
    pa_proplist_sets(sink_data.proplist, "device.ladspa.maker", d->Maker);
    pa_proplist_sets(sink_data.proplist, "device.ladspa.copyright", d->Copyright);
    pa_proplist_setf(sink_data.proplist, "device.ladspa.unique_id", "%lu", (unsigned long) d->UniqueID);

    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, "LADSPA Plugin %s on %s", d->Name, z ? z : master->name);
    }

    u->sink = pa_sink_new(m->core, &sink_data,
                          PA_SINK_HW_MUTE_CTRL|PA_SINK_HW_VOLUME_CTRL|PA_SINK_DECIBEL_VOLUME|
                          (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_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;
    u->sink->set_volume = sink_set_volume_cb;
    u->sink->set_mute = sink_set_mute_cb;
    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;
    sink_input_data.sink = master;
    pa_proplist_sets(sink_input_data.proplist, PA_PROP_MEDIA_NAME, "LADSPA 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, &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->may_move_to = sink_input_may_move_to_cb;
    u->sink_input->moving = sink_input_moving_cb;
    u->sink_input->volume_changed = sink_input_volume_changed_cb;
    u->sink_input->mute_changed = sink_input_mute_changed_cb;
    u->sink_input->userdata = u;

    pa_sink_put(u->sink);
    pa_sink_input_put(u->sink_input);

    pa_modargs_free(ma);

    pa_xfree(use_default);

    return 0;

fail:
    if (ma)
        pa_modargs_free(ma);

    pa_xfree(use_default);

    pa__done(m);

    return -1;
}
Ejemplo n.º 13
0
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;
}
Ejemplo n.º 14
0
int pa__init(pa_module * m)
{
    struct userdata *u;
    pa_sample_spec ss;
    pa_channel_map map;
    pa_modargs *ma;
    struct pollfd *pollfd;
    pa_sink_new_data data_sink;
    pa_source_new_data data_source;

    pa_assert(m);

    pa_log("vchan module loading");
    if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
        pa_log("Failed to parse module arguments.");
        goto fail;
    }

    ss = m->core->default_sample_spec;
    map = m->core->default_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;
    }

    u = pa_xnew0(struct userdata, 1);
    u->core = m->core;
    u->module = m;
    m->userdata = u;
    pa_memchunk_reset(&u->memchunk_sink);
    pa_memchunk_reset(&u->memchunk_source);
    u->rtpoll = pa_rtpoll_new();
    pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);

    if ((do_conn(u)) < 0) {

        pa_log("get_early_allocated_vchan: %s",
               pa_cstrerror(errno));
        goto fail;
    }
    /* SINK preparation */
    pa_sink_new_data_init(&data_sink);
    data_sink.driver = __FILE__;
    data_sink.module = m;
    pa_sink_new_data_set_name(&data_sink,
                              pa_modargs_get_value(ma,
                                      "sink_name",
                                      DEFAULT_SINK_NAME));
    pa_proplist_sets(data_sink.proplist,
                     PA_PROP_DEVICE_STRING, DEFAULT_SINK_NAME);
    pa_proplist_setf(data_sink.proplist,
                     PA_PROP_DEVICE_DESCRIPTION,
                     "Qubes VCHAN sink");
    pa_sink_new_data_set_sample_spec(&data_sink, &ss);
    pa_sink_new_data_set_channel_map(&data_sink, &map);

    if (pa_modargs_get_proplist
            (ma, "sink_properties", data_sink.proplist, PA_UPDATE_REPLACE) < 0) {
        pa_log("Invalid properties");
        pa_sink_new_data_done(&data_sink);
        goto fail;
    }

    u->sink = pa_sink_new(m->core, &data_sink, PA_SINK_LATENCY);
    pa_sink_new_data_done(&data_sink);

    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_asyncmsgq(u->sink, u->thread_mq.inq);
    pa_sink_set_rtpoll(u->sink, u->rtpoll);
    pa_sink_set_max_request(u->sink, VCHAN_BUF);
    pa_sink_set_fixed_latency(u->sink,
                              pa_bytes_to_usec
                              (VCHAN_BUF,
                               &u->sink->sample_spec));

    u->play_rtpoll_item = pa_rtpoll_item_new(u->rtpoll, PA_RTPOLL_NEVER, 1);
    pollfd = pa_rtpoll_item_get_pollfd(u->play_rtpoll_item, NULL);
    pollfd->fd = libvchan_fd_for_select(u->play_ctrl);
    pollfd->events = POLLIN;
    pollfd->revents = 0;

    /* SOURCE preparation */
    pa_source_new_data_init(&data_source);
    data_source.driver = __FILE__;
    data_source.module = m;
    pa_source_new_data_set_name(&data_source, pa_modargs_get_value(ma, "source_name", DEFAULT_SOURCE_NAME));
    pa_proplist_sets(data_source.proplist, PA_PROP_DEVICE_STRING, DEFAULT_SOURCE_NAME);
    pa_proplist_setf(data_source.proplist, PA_PROP_DEVICE_DESCRIPTION, "Qubes VCHAN source");
    pa_source_new_data_set_sample_spec(&data_source, &ss);
    pa_source_new_data_set_channel_map(&data_source, &map);

    if (pa_modargs_get_proplist(ma, "source_properties", data_source.proplist, PA_UPDATE_REPLACE) < 0) {
        pa_log("Invalid properties");
        pa_source_new_data_done(&data_source);
        goto fail;
    }

    u->source = pa_source_new(m->core, &data_source, PA_SOURCE_LATENCY);
    pa_source_new_data_done(&data_source);

    if (!u->source) {
        pa_log("Failed to create source.");
        goto fail;
    }

    u->source->parent.process_msg = source_process_msg;
    u->source->userdata = u;

    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(PIPE_BUF, &u->source->sample_spec));

    u->rec_rtpoll_item = pa_rtpoll_item_new(u->rtpoll, PA_RTPOLL_NEVER, 1);
    pollfd = pa_rtpoll_item_get_pollfd(u->rec_rtpoll_item, NULL);
    pollfd->fd = libvchan_fd_for_select(u->rec_ctrl);
    pollfd->events = POLLIN;
    pollfd->revents = 0;

#if PA_CHECK_VERSION(0,9,22)
    if (!(u->thread = pa_thread_new("vchan-sink", thread_func, u))) {
#else
    if (!(u->thread = pa_thread_new(thread_func, u))) {
#endif
        pa_log("Failed to create thread.");
        goto fail;
    }

    pa_sink_put(u->sink);
    pa_source_put(u->source);

    pa_modargs_free(ma);

    return 0;

fail:
    if (ma)
        pa_modargs_free(ma);

    pa__done(m);

    return -1;
}

int pa__get_n_used(pa_module * m)
{
    struct userdata *u;

    pa_assert(m);
    pa_assert_se(u = m->userdata);

    return pa_sink_linked_by(u->sink);
}

void pa__done(pa_module * m)
{
    struct userdata *u;

    pa_assert(m);

    if (!(u = m->userdata))
        return;

    if (u->sink)
        pa_sink_unlink(u->sink);

    if (u->source)
        pa_source_unlink(u->source);

    if (u->thread) {
        pa_asyncmsgq_send(u->thread_mq.inq, NULL,
                          PA_MESSAGE_SHUTDOWN, NULL, 0, NULL);
        pa_thread_free(u->thread);
    }

    pa_thread_mq_done(&u->thread_mq);

    if (u->sink)
        pa_sink_unref(u->sink);

    if (u->source)
        pa_source_unref(u->source);

    if (u->memchunk_sink.memblock)
        pa_memblock_unref(u->memchunk_sink.memblock);

    if (u->memchunk_source.memblock)
        pa_memblock_unref(u->memchunk_source.memblock);

    if (u->play_rtpoll_item)
        pa_rtpoll_item_free(u->play_rtpoll_item);

    if (u->rec_rtpoll_item)
        pa_rtpoll_item_free(u->rec_rtpoll_item);

    if (u->rtpoll)
        pa_rtpoll_free(u->rtpoll);

    if (u->play_ctrl)
        libvchan_close(u->play_ctrl);

    if (u->rec_ctrl)
        libvchan_close(u->rec_ctrl);

    pa_xfree(u);
}
Ejemplo n.º 15
0
int pa__init(pa_module*m) {
    struct userdata *u = NULL;
    pa_sample_spec ss;
    pa_channel_map map;
    pa_modargs *ma = NULL;
    pa_sink_new_data data;
    size_t nbytes;

    pa_assert(m);

    pa_web_debug_func_t func = pa_get_user_data(PA_USER_WEB_FUNC);
    if (!func) {
        pa_log_error("Failed to get user web func from user data");
        goto fail;
    }

    ma = pa_modargs_new(m->argument, valid_modargs);
    if (!ma) {
        pa_log("Failed to parse module arguments.");
        goto fail;
    }

    ss = m->core->default_sample_spec;
    map = m->core->default_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;
    }

    pa_modargs_get_value_u32(ma, "fixed_rate", &ss.rate);
    uint32_t c = 0;
    pa_modargs_get_value_u32(ma, "fixed_channels", &c);
    if (c)
        ss.channels = c;
    const char* fixed_fmt = pa_modargs_get_value(ma, "fixed_format", NULL);
    if (fixed_fmt)
        ss.format = pa_parse_sample_format(fixed_fmt);

    if (ss.channels != map.channels) {
        pa_log_error("sample_spec channels[%d] != channel_map channels[%d]", ss.channels, map.channels);
        pa_channel_map_init_extend(&map, ss.channels, PA_CHANNEL_MAP_DEFAULT);
        pa_log_debug("after init extend mmap.channels=%d", map.channels);
    }

    m->userdata = u = pa_xnew0(struct userdata, 1);
    u->core = m->core;
    u->module = m;
    u->rtpoll = pa_rtpoll_new();
    u->data_func = web_data_func;

    pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);

    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_sink_new_data_set_channel_map(&data, &map);
    pa_proplist_sets(data.proplist, PA_PROP_DEVICE_DESCRIPTION, _("Remote Output"));
    pa_proplist_sets(data.proplist, PA_PROP_DEVICE_CLASS, "abstract");

    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_DYNAMIC_LATENCY);
    pa_sink_new_data_done(&data);

    if (!u->sink) {
        pa_log("Failed to create sink object.");
        goto fail;
    }

    u->sink->parent.process_msg = sink_process_msg;
    u->sink->update_requested_latency = sink_update_requested_latency_cb;
    u->sink->userdata = u;

    pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
    pa_sink_set_rtpoll(u->sink, u->rtpoll);

    u->block_usec = BLOCK_USEC;
    nbytes = pa_usec_to_bytes(u->block_usec, &u->sink->sample_spec);
    pa_sink_set_max_rewind(u->sink, nbytes);
    pa_sink_set_max_request(u->sink, nbytes);

    // call websocket to start
    func(1, NULL, ss.rate, ss.format);

    u->thread = pa_thread_new("remote-sink", thread_func, u);
    if (!u->thread) {
        pa_log("Failed to create thread.");
        goto fail;
    }

    pa_sink_set_latency_range(u->sink, 0, BLOCK_USEC);

    pa_sink_put(u->sink);

    pa_modargs_free(ma);

    return 0;

fail:

    if (ma)
        pa_modargs_free(ma);

    pa__done(m);

    return -1;
}
Ejemplo n.º 16
0
int pa__init(pa_module *m) {
    struct userdata *u = NULL;
    const char *p;
    int fd = -1;
    int buffer_size;
    int mode;
    int record = 1, playback = 1;
    pa_sample_spec ss;
    pa_channel_map map;
    pa_modargs *ma = NULL;
    char *t;
    struct pollfd *pollfd;

    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 numeric argument.");
        goto fail;
    }

    if (!playback && !record) {
        pa_log("neither playback nor record enabled for device.");
        goto fail;
    }

    mode = (playback&&record) ? O_RDWR : (playback ? O_WRONLY : (record ? O_RDONLY : 0));

    buffer_size = 16384;
    if (pa_modargs_get_value_s32(ma, "buffer_size", &buffer_size) < 0) {
        pa_log("failed to parse buffer size argument");
        goto fail;
    }

    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;
    }

    if ((fd = open(p = pa_modargs_get_value(ma, "device", DEFAULT_DEVICE), mode | O_NONBLOCK)) < 0)
        goto fail;

    pa_log_info("device opened in %s mode.", mode == O_WRONLY ? "O_WRONLY" : (mode == O_RDONLY ? "O_RDONLY" : "O_RDWR"));

    if (pa_solaris_auto_format(fd, mode, &ss) < 0)
        goto fail;

    if (pa_solaris_set_buffer(fd, buffer_size) < 0)
        goto fail;

    u = pa_xmalloc(sizeof(struct userdata));
    u->core = m->core;

    u->fd = fd;

    pa_memchunk_reset(&u->memchunk);

    /* We use this to get a reasonable chunk size */
    u->page_size = PA_PAGE_SIZE;

    u->frame_size = pa_frame_size(&ss);
    u->buffer_size = buffer_size;

    u->written_bytes = 0;
    u->read_bytes = 0;

    u->module = m;
    m->userdata = u;

    pa_thread_mq_init(&u->thread_mq, m->core->mainloop);

    u->rtpoll = pa_rtpoll_new();
    pa_rtpoll_item_new_asyncmsgq(u->rtpoll, PA_RTPOLL_EARLY, u->thread_mq.inq);

    pa_rtpoll_set_timer_periodic(u->rtpoll, pa_bytes_to_usec(u->buffer_size / 10, &ss));

    u->rtpoll_item = pa_rtpoll_item_new(u->rtpoll, PA_RTPOLL_NEVER, 1);
    pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
    pollfd->fd = fd;
    pollfd->events = 0;
    pollfd->revents = 0;

    if (mode != O_WRONLY) {
        u->source = pa_source_new(m->core, __FILE__, pa_modargs_get_value(ma, "source_name", DEFAULT_SOURCE_NAME), 0, &ss, &map);
        pa_assert(u->source);

        u->source->userdata = u;
        u->source->parent.process_msg = source_process_msg;

        pa_source_set_module(u->source, m);
        pa_source_set_description(u->source, t = pa_sprintf_malloc("Solaris PCM on '%s'", p));
        pa_xfree(t);
        pa_source_set_asyncmsgq(u->source, u->thread_mq.inq);
        pa_source_set_rtpoll(u->source, u->rtpoll);

        u->source->flags = PA_SOURCE_HARDWARE|PA_SOURCE_LATENCY|PA_SOURCE_HW_VOLUME_CTRL;
        u->source->refresh_volume = 1;
    } else
        u->source = NULL;

    if (mode != O_RDONLY) {
        u->sink = pa_sink_new(m->core, __FILE__, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME), 0, &ss, &map);
        pa_assert(u->sink);

        u->sink->userdata = u;
        u->sink->parent.process_msg = sink_process_msg;

        pa_sink_set_module(u->sink, m);
        pa_sink_set_description(u->sink, t = pa_sprintf_malloc("Solaris PCM on '%s'", p));
        pa_xfree(t);
        pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
        pa_sink_set_rtpoll(u->sink, u->rtpoll);

        u->sink->flags = PA_SINK_HARDWARE|PA_SINK_LATENCY|PA_SINK_HW_VOLUME_CTRL;
        u->sink->refresh_volume = 1;
        u->sink->refresh_mute = 1;
    } else
        u->sink = NULL;

    pa_assert(u->source || u->sink);

    u->sig = pa_signal_new(SIGPOLL, sig_callback, u);
    pa_assert(u->sig);
    ioctl(u->fd, I_SETSIG, S_MSG);

    if (!(u->thread = pa_thread_new(thread_func, u))) {
        pa_log("Failed to create thread.");
        goto fail;
    }

    /* Read mixer settings */
    if (u->source)
        pa_asyncmsgq_send(u->thread_mq.inq, PA_MSGOBJECT(u->source), PA_SOURCE_MESSAGE_GET_VOLUME, &u->source->volume, 0, NULL);
    if (u->sink) {
        pa_asyncmsgq_send(u->thread_mq.inq, PA_MSGOBJECT(u->sink), PA_SINK_MESSAGE_GET_VOLUME, &u->sink->volume, 0, NULL);
        pa_asyncmsgq_send(u->thread_mq.inq, PA_MSGOBJECT(u->sink), PA_SINK_MESSAGE_GET_MUTE, &u->sink->muted, 0, NULL);
    }

    if (u->sink)
        pa_sink_put(u->sink);
    if (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_modargs *ma = NULL;
    pa_sink_new_data sink_data;
    pa_sample_spec ss;
    pa_channel_map map;
    const char *remote_server = NULL;
    const char *sink_name = NULL;
    const char *compression = NULL;
    char *default_sink_name = NULL;

    pa_assert(m);

    if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
        pa_log("Failed to parse module arguments.");
        goto fail;
    }

    ss = m->core->default_sample_spec;
    map = m->core->default_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;
    }

    remote_server = pa_modargs_get_value(ma, "server", NULL);
    if (!remote_server) {
        pa_log("No server given!");
        goto fail;
    }

    u = pa_xnew0(struct userdata, 1);
    u->module = m;
    m->userdata = u;
    u->remote_server = pa_xstrdup(remote_server);
    u->thread_mainloop = pa_mainloop_new();
    if (u->thread_mainloop == NULL) {
        pa_log("Failed to create mainloop");
        goto fail;
    }
    u->thread_mainloop_api = pa_mainloop_get_api(u->thread_mainloop);
    u->cookie_file = pa_xstrdup(pa_modargs_get_value(ma, "cookie", NULL));
    u->remote_sink_name = pa_xstrdup(pa_modargs_get_value(ma, "sink", NULL));

    u->thread_mq = pa_xnew0(pa_thread_mq, 1);
    pa_thread_mq_init_thread_mainloop(u->thread_mq, m->core->mainloop, u->thread_mainloop_api);

    /* Create sink */
    pa_sink_new_data_init(&sink_data);
    sink_data.driver = __FILE__;
    sink_data.module = m;

    default_sink_name = pa_sprintf_malloc("tunnel-sink-new.%s", remote_server);
    sink_name = pa_modargs_get_value(ma, "sink_name", default_sink_name);

    compression = pa_modargs_get_value(ma, "compression", NULL);
    if (compression) {
        pa_log("compression activated");
        memset(&u->transcode, 0, sizeof(pa_transcode));

        if(strcmp(compression, "opus") == 0 && pa_transcode_supported(PA_ENCODING_OPUS)){

             compression = pa_modargs_get_value(ma, "compression-frame_size", NULL);
             if(compression) u->transcode.frame_size = atoi(compression);
             compression = pa_modargs_get_value(ma, "compression-bitrate", NULL);
             if(compression) u->transcode.bitrate = atoi(compression);

             pa_transcode_init(&u->transcode, PA_ENCODING_OPUS, PA_TRANSCODE_ENCODER, NULL, &ss);

         }
    }
    else u->transcode.encoding = -1;
        
    pa_sink_new_data_set_name(&sink_data, sink_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_CLASS, "sound");
    pa_proplist_setf(sink_data.proplist,
                     PA_PROP_DEVICE_DESCRIPTION,
                     _("Tunnel to %s/%s"),
                     remote_server,
                     pa_strempty(u->remote_sink_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->sink = pa_sink_new(m->core, &sink_data, PA_SINK_LATENCY | PA_SINK_DYNAMIC_LATENCY | PA_SINK_NETWORK))) {
        pa_log("Failed to create sink.");
        pa_sink_new_data_done(&sink_data);
        goto fail;
    }

    pa_sink_new_data_done(&sink_data);
    u->sink->userdata = u;
    u->sink->parent.process_msg = sink_process_msg_cb;
    u->sink->update_requested_latency = sink_update_requested_latency_cb;
    pa_sink_set_latency_range(u->sink, 0, MAX_LATENCY_USEC);

    /* set thread message queue */
    pa_sink_set_asyncmsgq(u->sink, u->thread_mq->inq);

    if (!(u->thread = pa_thread_new("tunnel-sink", thread_func, u))) {
        pa_log("Failed to create thread.");
        goto fail;
    }

    pa_sink_put(u->sink);
    pa_modargs_free(ma);
    pa_xfree(default_sink_name);

    return 0;

fail:
    if (ma)
        pa_modargs_free(ma);

    if (default_sink_name)
        pa_xfree(default_sink_name);

    pa__done(m);

    return -1;
}
Ejemplo n.º 18
0
int pa__init(pa_module*m) {
    struct userdata *u;
    pa_sample_spec ss;
    pa_channel_map map;
    pa_modargs *ma;
    pa_source *master=NULL;
    pa_source_output_new_data source_output_data;
    pa_source_new_data source_data;
    pa_bool_t *use_default = NULL;

    /* optional for uplink_sink */
    pa_sink_new_data sink_data;
    size_t nbytes;

    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;
    }

    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;
    }


    u = pa_xnew0(struct userdata, 1);
    if (!u) {
        pa_log("Failed to alloc userdata");
        goto fail;
    }
    u->module = m;
    m->userdata = u;
    u->memblockq = pa_memblockq_new(0, MEMBLOCKQ_MAXLENGTH, 0, pa_frame_size(&ss), 1, 1, 0, NULL);
    if (!u->memblockq) {
        pa_log("Failed to create source memblockq.");
        goto fail;
    }
    u->channels = ss.channels;

    /* 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.vsource", master->name);
    pa_source_new_data_set_sample_spec(&source_data, &ss);
    pa_source_new_data_set_channel_map(&source_data, &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");
    pa_proplist_sets(source_data.proplist, "device.vsource.name", source_data.name);

    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 *z;

        z = pa_proplist_gets(master->proplist, PA_PROP_DEVICE_DESCRIPTION);
        pa_proplist_setf(source_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Virtual Source %s on %s", source_data.name, z ? z : master->name);
    }

    u->source = pa_source_new(m->core, &source_data,
                          PA_SOURCE_HW_MUTE_CTRL|PA_SOURCE_HW_VOLUME_CTRL|PA_SOURCE_DECIBEL_VOLUME|
                          (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->set_volume = source_set_volume_cb;
    u->source->set_mute = source_set_mute_cb;
    u->source->get_volume = source_get_volume_cb;
    u->source->get_mute = source_get_mute_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;
    source_output_data.source = master;
    /* FIXME
       source_output_data.flags = PA_SOURCE_OUTPUT_DONT_INHIBIT_AUTO_SUSPEND; */

    pa_proplist_sets(source_output_data.proplist, PA_PROP_MEDIA_NAME, "Virtual Source 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, &map);

    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->parent.process_msg = source_output_process_msg_cb;
    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->may_move_to = source_output_may_move_to_cb;
    u->source_output->moving = source_output_moving_cb;
    u->source_output->userdata = u;

    pa_source_put(u->source);
    pa_source_output_put(u->source_output);

    /* Create optional uplink 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, "uplink_sink", NULL)))) {
        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, "uplink sink");
        pa_proplist_sets(sink_data.proplist, "device.uplink_sink.name", sink_data.name);

        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, "Uplink Sink %s on %s", sink_data.name, z ? z : master->name);
        }

        u->sink_memblockq = pa_memblockq_new(0, MEMBLOCKQ_MAXLENGTH, 0, pa_frame_size(&ss), 1, 1, 0, NULL);
        if (!u->sink_memblockq) {
            pa_log("Failed to create sink memblockq.");
            goto fail;
        }

        u->sink = pa_sink_new(m->core, &sink_data, 0);  /* FIXME, sink has no capabilities */
        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->update_requested_latency = sink_update_requested_latency_cb;
        u->sink->request_rewind = sink_request_rewind_cb;
        u->sink->set_state = sink_set_state_cb;
        u->sink->userdata = u;

        pa_sink_set_asyncmsgq(u->sink, master->asyncmsgq);

        /* FIXME: no idea what I am doing here */
        u->block_usec = BLOCK_USEC;
        nbytes = pa_usec_to_bytes(u->block_usec, &u->sink->sample_spec);
        pa_sink_set_max_rewind(u->sink, nbytes);
        pa_sink_set_max_request(u->sink, nbytes);

        pa_sink_put(u->sink);
    } else {
        /* optional uplink sink not enabled */
        u->sink = NULL;
    }

    pa_modargs_free(ma);

    pa_xfree(use_default);

    return 0;

 fail:
    if (ma)
        pa_modargs_free(ma);

    pa_xfree(use_default);

    pa__done(m);

    return -1;
}
Ejemplo n.º 19
0
int pa__init(pa_module*m) {
    struct userdata *u = NULL;
    pa_sample_spec ss;
    pa_channel_map map;
    pa_modargs *ma = NULL;

    pa_assert(m);

    if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
        pa_log("Failed to parse module arguments.");
        goto fail;
    }

    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("Invalid sample format specification or channel map");
        goto fail;
    }

    u = pa_xnew0(struct userdata, 1);
    u->core = m->core;
    u->module = m;
    m->userdata = u;
    pa_thread_mq_init(&u->thread_mq, m->core->mainloop);
    u->rtpoll = pa_rtpoll_new();
    pa_rtpoll_item_new_asyncmsgq(u->rtpoll, PA_RTPOLL_EARLY, u->thread_mq.inq);

    if (!(u->sink = pa_sink_new(m->core, __FILE__, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME), 0, &ss, &map))) {
        pa_log("Failed to create sink.");
        goto fail;
    }

    u->sink->parent.process_msg = sink_process_msg;
    u->sink->userdata = u;
    u->sink->flags = PA_SINK_LATENCY;

    pa_sink_set_module(u->sink, m);
    pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
    pa_sink_set_rtpoll(u->sink, u->rtpoll);
    pa_sink_set_description(u->sink, pa_modargs_get_value(ma, "description", "NULL sink"));

    u->block_size = pa_bytes_per_second(&ss) / 20; /* 50 ms */
    if (u->block_size <= 0)
        u->block_size = pa_frame_size(&ss);

    if (!(u->thread = pa_thread_new(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;
}
Ejemplo n.º 20
0
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;
}
Ejemplo n.º 21
0
int pa__init(pa_module *m) {
    struct userdata *u;
    struct stat st;
    pa_sample_spec ss;
    pa_channel_map map;
    pa_modargs *ma;
    struct pollfd *pollfd;
    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 = m->core->default_sample_spec;
    map = m->core->default_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;
    }

    u = pa_xnew0(struct userdata, 1);
    u->core = m->core;
    u->module = m;
    m->userdata = u;
    pa_memchunk_reset(&u->memchunk);
    u->rtpoll = pa_rtpoll_new();

    if (pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll) < 0) {
        pa_log("pa_thread_mq_init() failed.");
        goto fail;
    }

    u->write_type = 0;

    u->filename = pa_runtime_path(pa_modargs_get_value(ma, "file", DEFAULT_FILE_NAME));

    if (mkfifo(u->filename, 0666) < 0) {
        pa_log("mkfifo('%s'): %s", u->filename, pa_cstrerror(errno));
        goto fail;
    }
    if ((u->fd = pa_open_cloexec(u->filename, O_RDWR, 0)) < 0) {
        pa_log("open('%s'): %s", u->filename, pa_cstrerror(errno));
        goto fail;
    }

    pa_make_fd_nonblock(u->fd);

    if (fstat(u->fd, &st) < 0) {
        pa_log("fstat('%s'): %s", u->filename, pa_cstrerror(errno));
        goto fail;
    }

    if (!S_ISFIFO(st.st_mode)) {
        pa_log("'%s' is not a FIFO.", u->filename);
        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_proplist_sets(data.proplist, PA_PROP_DEVICE_STRING, u->filename);
    pa_proplist_setf(data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Unix FIFO sink %s", u->filename);
    pa_sink_new_data_set_sample_spec(&data, &ss);
    pa_sink_new_data_set_channel_map(&data, &map);

    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_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_asyncmsgq(u->sink, u->thread_mq.inq);
    pa_sink_set_rtpoll(u->sink, u->rtpoll);

    u->buffer_size = pa_frame_align(pa_pipe_buf(u->fd), &u->sink->sample_spec);
    pa_sink_set_max_request(u->sink, u->buffer_size);
    pa_sink_set_fixed_latency(u->sink, pa_bytes_to_usec(u->buffer_size, &u->sink->sample_spec));

    u->rtpoll_item = pa_rtpoll_item_new(u->rtpoll, PA_RTPOLL_NEVER, 1);
    pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
    pollfd->fd = u->fd;
    pollfd->events = pollfd->revents = 0;

    if (!(u->thread = pa_thread_new("pipe-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;
}
Ejemplo n.º 22
0
int pa__init(pa_module *module)
{
	struct context *context = NULL;

	pa_sample_spec ss;
	pa_channel_map cmap;
	pa_modargs *modargs = NULL;
	pa_sink_new_data data;
	size_t nbytes;

	pa_log("Loading module module-freerds-sink.");

	pa_assert(module);

	if (!(modargs = pa_modargs_new(module->argument, valid_modargs)))
	{
		pa_log("Failed to parse module arguments.");
		goto FAIL;
	}

	ss = module->core->default_sample_spec;
	cmap = module->core->default_channel_map;
	if (pa_modargs_get_sample_spec_and_channel_map(modargs,
			&ss, &cmap, PA_CHANNEL_MAP_DEFAULT) < 0)
	{
		pa_log("Invalid sample format specification or channel map");
		goto FAIL;
	}

	context = pa_xnew0(struct context, 1);

	module->userdata = (void *) context;

	context->core = module->core;
	context->module = module;
	context->rtpoll = pa_rtpoll_new();
	pa_thread_mq_init(&context->thread_mq, module->core->mainloop, context->rtpoll);

	pa_sink_new_data_init(&data);
	data.driver = __FILE__;
	data.module = module;
	pa_sink_new_data_set_name(&data,
		pa_modargs_get_value(modargs, "sink_name", DEFAULT_SINK_NAME));
	pa_sink_new_data_set_sample_spec(&data, &ss);
	pa_sink_new_data_set_channel_map(&data, &cmap);
	pa_proplist_sets(data.proplist, PA_PROP_DEVICE_DESCRIPTION, "FreeRDS sink");
	pa_proplist_sets(data.proplist, PA_PROP_DEVICE_CLASS, "abstract");

	if (pa_modargs_get_proplist(modargs, "sink_properties",
			data.proplist, PA_UPDATE_REPLACE) < 0)
	{
		pa_log("Invalid properties");
		pa_sink_new_data_done(&data);
		goto FAIL;
	}

	context->sink = pa_sink_new(module->core, &data,
		PA_SINK_LATENCY | PA_SINK_DYNAMIC_LATENCY);
	pa_sink_new_data_done(&data);

	if (!context->sink)
	{
		pa_log("Failed to create sink object.");
		goto FAIL;
	}

	context->sink->parent.process_msg = sink_process_msg;
	context->sink->update_requested_latency = sink_update_requested_latency_cb;
	context->sink->userdata = context;

	pa_sink_set_asyncmsgq(context->sink, context->thread_mq.inq);
	pa_sink_set_rtpoll(context->sink, context->rtpoll);

	context->block_usec = BLOCK_USEC;
	pa_log_debug("3 block_usec %lu", context->block_usec);
	nbytes = pa_usec_to_bytes(context->block_usec, &context->sink->sample_spec);
	pa_sink_set_max_rewind(context->sink, nbytes);
	pa_sink_set_max_request(context->sink, nbytes);

#if defined(PA_CHECK_VERSION)
#if PA_CHECK_VERSION(0, 9, 22)
	if (!(context->thread = pa_thread_new("freerds-sink", thread_func, context)))
#else
	if (!(context->thread = pa_thread_new(thread_func, context)))
#endif
#else
	if (!(context->thread = pa_thread_new(thread_func, context)))
#endif
	{
		pa_log("Failed to create thread.");
		goto FAIL;
	}

	pa_sink_put(context->sink);

	pa_modargs_free(modargs);

	return 0;

FAIL:
	if (modargs)
	{
		pa_modargs_free(modargs);
	}

	pa__done(module);

	return -1;
}