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

    pa_assert(m);

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

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

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

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

    pa_xfree(u);
}
Exemple #2
0
void pa__done(pa_module *m)
{
    pa_assert(m);

    struct example_sink_userdata *u = m->userdata;
    if (!u) {
        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);
    }

    if (u->output_fd != -1) {
        close(u->output_fd);
    }

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

    pa_assert(m);

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

    if (u->client)
        jack_client_close(u->client);

    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_item)
        pa_rtpoll_item_free(u->rtpoll_item);

    if (u->jack_msgq)
        pa_asyncmsgq_unref(u->jack_msgq);

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

    pa_xfree(u);
}
int main(int argc, char *argv[]) {
    pa_asyncmsgq *q;
    pa_thread *t;

    pa_assert_se(q = pa_asyncmsgq_new(0));

    pa_assert_se(t = pa_thread_new("test", the_thread, q));

    pa_log_info("Operation A post");
    pa_asyncmsgq_post(q, NULL, OPERATION_A, NULL, 0, NULL, NULL);

    pa_thread_yield();

    pa_log_info("Operation B post");
    pa_asyncmsgq_post(q, NULL, OPERATION_B, NULL, 0, NULL, NULL);

    pa_thread_yield();

    pa_log_info("Operation C send");
    pa_asyncmsgq_send(q, NULL, OPERATION_C, NULL, 0, NULL);

    pa_thread_yield();

    pa_log_info("Quit post");
    pa_asyncmsgq_post(q, NULL, QUIT, NULL, 0, NULL, NULL);

    pa_thread_free(t);

    pa_asyncmsgq_unref(q);

    return 0;
}
Exemple #5
0
int main(int argc, char *argv[]) {
    pa_asyncq *q;
    pa_thread *t1, *t2;

    pa_assert_se(q = pa_asyncq_new(0));

    pa_assert_se(t1 = pa_thread_new("producer", producer, q));
    pa_assert_se(t2 = pa_thread_new("consumer", consumer, q));

    pa_thread_free(t1);
    pa_thread_free(t2);

    pa_asyncq_free(q, NULL);

    return 0;
}
void pa__done(pa_module *module)
{
	struct context *context;

	pa_assert(module);

	context = module->userdata;
	if (!context) return;

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

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

	pa_thread_mq_done(&context->thread_mq);

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

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

	pa_xfree(context);
}
Exemple #7
0
void pa__done(pa_module *m) {
    struct userdata *u;

    pa_assert(m);

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

    if (u->sig) {
        ioctl(u->fd, I_SETSIG, 0);
        pa_signal_free(u->sig);
    }

    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.memblock)
        pa_memblock_unref(u->memchunk.memblock);

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

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

    if (u->fd >= 0)
        close(u->fd);

    if (u->smoother)
        pa_smoother_free(u->smoother);

    pa_xfree(u->device_name);

    pa_xfree(u);
}
Exemple #8
0
static void unref(pa_bool_t after_fork) {

    pa_assert(n_ref > 0);
    pa_assert(pipe_fd[0] >= 0);
    pa_assert(pipe_fd[1] >= 0);
    pa_assert(lock_fd_mutex);

    n_ref--;

    if (n_ref > 0)
        return;

    if (thread) {
        pa_thread_free(thread);
        thread = NULL;
    }

    pa_mutex_lock(lock_fd_mutex);

    pa_assert(state != STATE_TAKEN);

    if (state == STATE_OWNING) {

        pa_assert(lock_fd >= 0);

        if (after_fork)
            pa_close(lock_fd);
        else {
            char *lf;

            if (!(lf = pa_runtime_path(AUTOSPAWN_LOCK)))
                pa_log_warn(_("Cannot access autospawn lock."));

            pa_unlock_lockfile(lf, lock_fd);
            pa_xfree(lf);
        }
    }

    lock_fd = -1;
    state = STATE_IDLE;

    pa_mutex_unlock(lock_fd_mutex);

    pa_mutex_free(lock_fd_mutex);
    lock_fd_mutex = NULL;

    pa_close(pipe_fd[0]);
    pa_close(pipe_fd[1]);
    pipe_fd[0] = pipe_fd[1] = -1;
}
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_item)
        pa_rtpoll_item_free(u->rtpoll_item);

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

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

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

    if (u->raop)
        pa_raop_client_free(u->raop);

    pa_xfree(u->read_data);
    pa_xfree(u->write_data);

    if (u->smoother)
        pa_smoother_free(u->smoother);

    if (u->fd >= 0)
        pa_close(u->fd);

    pa_xfree(u);
}
void pa_threaded_mainloop_free(pa_threaded_mainloop* m) {
    pa_assert(m);

    /* Make sure that this function is not called from the helper thread */
    pa_assert((m->thread && !pa_thread_is_running(m->thread)) || !in_worker(m));

    pa_threaded_mainloop_stop(m);

    if (m->thread)
        pa_thread_free(m->thread);

    pa_mainloop_free(m->real_mainloop);

    pa_mutex_free(m->mutex);
    pa_cond_free(m->cond);
    pa_cond_free(m->accept_cond);

    pa_xfree(m->name);
    pa_xfree(m);
}
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);
    }

    if (u->thread_mq) {
        pa_thread_mq_done(u->thread_mq);
        pa_xfree(u->thread_mq);
    }

    if (u->thread_mainloop)
        pa_mainloop_free(u->thread_mainloop);

    if (u->cookie_file)
        pa_xfree(u->cookie_file);

    if (u->remote_sink_name)
        pa_xfree(u->remote_sink_name);

    if (u->remote_server)
        pa_xfree(u->remote_server);

    if (u->sink)
        pa_sink_unref(u->sink);
        
     if(u->transcode.encoding != -1)
         pa_transcode_free(&u->transcode);

    pa_xfree(u);
}
Exemple #12
0
int main(int argc, char* argv[]) {
    pa_thread *threads[THREADS_MAX];
    int i;

    flist = pa_flist_new(0);

    for (i = 0; i < THREADS_MAX; i++) {
        threads[i] = pa_thread_new("test", thread_func, pa_sprintf_malloc("Thread #%i", i+1));
        assert(threads[i]);
    }

    pa_msleep(60000);
    quit = 1;

    for (i = 0; i < THREADS_MAX; i++)
        pa_thread_free(threads[i]);

    pa_flist_free(flist, pa_xfree);

    return 0;
}
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->memchunk.memblock)
        pa_memblock_unref(u->memchunk.memblock);

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

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

    if (u->filename) {
        unlink(u->filename);
        pa_xfree(u->filename);
    }

    if (u->fd >= 0)
        pa_assert_se(pa_close(u->fd) == 0);

    pa_xfree(u);
}
Exemple #14
0
pa_source *pa_droid_source_new(pa_module *m,
                                 pa_modargs *ma,
                                 const char *driver,
                                 pa_droid_card_data *card_data,
                                 pa_droid_mapping *am,
                                 pa_card *card) {

    struct userdata *u = NULL;
    char *thread_name = NULL;
    pa_source_new_data data;
    const char *module_id = NULL;
    /* const char *tmp; */
    uint32_t sample_rate;
    uint32_t alternate_sample_rate;
    audio_devices_t dev_in;
    pa_sample_spec sample_spec;
    pa_channel_map channel_map;
    bool namereg_fail = false;
    pa_droid_config_audio *config = NULL; /* Only used when source is created without card */
    uint32_t source_buffer = 0;
    char audio_source[32];
    int ret;

    audio_format_t hal_audio_format = 0;
    audio_channel_mask_t hal_channel_mask = 0;

    pa_assert(m);
    pa_assert(ma);
    pa_assert(driver);

    /* When running under card use hw module name for source by default. */
    if (card && ma)
        module_id = am->input->module->name;
    else
        module_id = pa_modargs_get_value(ma, "module_id", DEFAULT_MODULE_ID);

    sample_spec = m->core->default_sample_spec;
    channel_map = m->core->default_channel_map;

    if (pa_modargs_get_sample_spec_and_channel_map(ma, &sample_spec, &channel_map, PA_CHANNEL_MAP_AIFF) < 0) {
        pa_log("Failed to parse sample specification and channel map.");
        goto fail;
    }

    alternate_sample_rate = m->core->alternate_sample_rate;
    if (pa_modargs_get_alternate_sample_rate(ma, &alternate_sample_rate) < 0) {
        pa_log("Failed to parse alternate sample rate.");
        goto fail;
    }

    if (pa_modargs_get_value_u32(ma, "source_buffer", &source_buffer) < 0) {
        pa_log("Failed to parse source_buffer. Needs to be integer >= 0.");
        goto fail;
    }

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

    /* Enabled routing changes by default. */
    u->routing_changes_enabled = true;

    if (card_data) {
        pa_assert(card);
        u->card_data = card_data;
        pa_assert_se((u->hw_module = pa_droid_hw_module_get(u->core, NULL, card_data->module_id)));
    } else {
        /* Stand-alone source */

        if (!(config = pa_droid_config_load(ma)))
            goto fail;

        /* Ownership of config transfers to hw_module if opening of hw module succeeds. */
        if (!(u->hw_module = pa_droid_hw_module_get(u->core, config, module_id)))
            goto fail;
    }

    if (!pa_convert_format(sample_spec.format, CONV_FROM_PA, &hal_audio_format)) {
        pa_log("Sample spec format %u not supported.", sample_spec.format);
        goto fail;
    }

    for (int i = 0; i < channel_map.channels; i++) {
        audio_channel_mask_t c;
        if (!pa_convert_input_channel(channel_map.map[i], CONV_FROM_PA, &c)) {
            pa_log("Failed to convert channel map.");
            goto fail;
        }
        hal_channel_mask |= c;
    }

    struct audio_config config_in = {
        .sample_rate = sample_spec.rate,
        .channel_mask = hal_channel_mask,
        .format = hal_audio_format
    };

    /* Default routing */
    /* FIXME So while setting routing through stream with HALv2 API fails, creation of stream
     * requires HALv2 style device to work properly. So until that oddity is resolved we always
     * set AUDIO_DEVICE_IN_BUILTIN_MIC as initial device here. */
#if 0
    pa_assert_se(pa_string_convert_input_device_str_to_num("AUDIO_DEVICE_IN_BUILTIN_MIC", &dev_in));

    if ((tmp = pa_modargs_get_value(ma, "input_devices", NULL))) {
        audio_devices_t tmp_dev;

        if (parse_device_list(tmp, &tmp_dev) && tmp_dev)
            dev_in = tmp_dev;

        pa_log_debug("Set initial devices %s", tmp);
    }
#else
    pa_log_info("FIXME: Setting AUDIO_DEVICE_IN_BUILTIN_MIC as initial device.");
    dev_in = AUDIO_DEVICE_IN_BUILTIN_MIC;
#endif
    pa_droid_hw_module_lock(u->hw_module);
    ret = u->hw_module->device->open_input_stream(u->hw_module->device,
                                                  u->hw_module->stream_in_id,
                                                  dev_in,
                                                  &config_in,
                                                  &u->stream);
    /* On some devices the first call will fail if the config parameters are
     * not supported, but it'll automatically set the right ones, expecting
     * the caller to call it again, so let's try at least one more time */
    if (!u->stream)
        ret = u->hw_module->device->open_input_stream(u->hw_module->device,
                                                      u->hw_module->stream_in_id,
                                                      dev_in,
                                                      &config_in,
                                                      &u->stream);

    u->hw_module->stream_in_id++;
    pa_droid_hw_module_unlock(u->hw_module);

    if (ret < 0) {
        pa_log("Failed to open input stream.");
        goto fail;
    }

    if ((sample_rate = u->stream->common.get_sample_rate(&u->stream->common)) != sample_spec.rate) {
        pa_log_warn("Requested sample rate %u but got %u instead.", sample_spec.rate, sample_rate);
        sample_spec.rate = sample_rate;
    }

    u->buffer_size = u->stream->common.get_buffer_size(&u->stream->common);
    if (source_buffer) {
        if (source_buffer < u->buffer_size)
            pa_log_warn("Requested buffer size %u less than HAL reported buffer size (%u).", source_buffer, u->buffer_size);
        else if (source_buffer % u->buffer_size) {
            uint32_t trunc = (source_buffer / u->buffer_size) * u->buffer_size;
            pa_log_warn("Requested buffer size %u not multiple of HAL buffer size (%u). Using buffer size %u", source_buffer, u->buffer_size, trunc);
            u->buffer_size = trunc;
        } else {
            pa_log_info("Using requested buffer size %u.", source_buffer);
            u->buffer_size = source_buffer;
        }
    }

    pa_log_info("Created Android stream with device: %u sample rate: %u channel mask: %u format: %u buffer size: %u",
            dev_in,
            sample_rate,
            config_in.channel_mask,
            config_in.format,
            u->buffer_size);

    /* Setting audio source to MIC by default */
    pa_snprintf(audio_source, sizeof(audio_source), "%s=%u", AUDIO_PARAMETER_STREAM_INPUT_SOURCE, AUDIO_SOURCE_MIC);
    u->stream->common.set_parameters(&u->stream->common, audio_source);
    pa_log_debug("Setting audio source to AUDIO_SOURCE_MIC by default");

    pa_source_new_data_init(&data);
    data.driver = driver;
    data.module = m;
    data.card = card;

    source_set_name(ma, &data, module_id);

    /* We need to give pa_modargs_get_value_boolean() a pointer to a local
     * variable instead of using &data.namereg_fail directly, because
     * data.namereg_fail is a bitfield and taking the address of a bitfield
     * variable is impossible. */
    namereg_fail = data.namereg_fail;
    if (pa_modargs_get_value_boolean(ma, "namereg_fail", &namereg_fail) < 0) {
        pa_log("Failed to parse namereg_fail argument.");
        pa_source_new_data_done(&data);
        goto fail;
    }
    data.namereg_fail = namereg_fail;

    pa_source_new_data_set_sample_spec(&data, &sample_spec);
    pa_source_new_data_set_channel_map(&data, &channel_map);
    pa_source_new_data_set_alternate_sample_rate(&data, alternate_sample_rate);

    if (am)
        pa_droid_add_ports(data.ports, am, card);

    u->source = pa_source_new(m->core, &data, PA_SOURCE_HARDWARE);
    pa_source_new_data_done(&data);

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

    u->source->userdata = u;

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

    source_set_mute_control(u);

    u->source->set_port = source_set_port_cb;

    pa_source_set_asyncmsgq(u->source, u->thread_mq.inq);
    pa_source_set_rtpoll(u->source, u->rtpoll);

    /* Disable rewind for droid source */
    pa_source_set_max_rewind(u->source, 0);

    thread_name = pa_sprintf_malloc("droid-source-%s", module_id);
    if (!(u->thread = pa_thread_new(thread_name, thread_func, u))) {
        pa_log("Failed to create thread.");
        goto fail;
    }
    pa_xfree(thread_name);
    thread_name = NULL;

    pa_source_set_fixed_latency(u->source, pa_bytes_to_usec(u->buffer_size, &sample_spec));
    pa_log_debug("Set fixed latency %" PRIu64 " usec", pa_bytes_to_usec(u->buffer_size, &sample_spec));

    if (u->source->active_port)
        source_set_port_cb(u->source, u->source->active_port);

    pa_source_put(u->source);

    return u->source;

fail:
    pa_xfree(thread_name);

    if (config)
        pa_xfree(config);

    if (u)
        userdata_free(u);

    return NULL;
}

void pa_droid_source_free(pa_source *s) {
    struct userdata *u;

    pa_source_assert_ref(s);
    pa_assert_se(u = s->userdata);

    userdata_free(u);
}

static void userdata_free(struct userdata *u) {

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

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

    if (u->hw_module && u->stream) {
        pa_droid_hw_module_lock(u->hw_module);
        u->hw_module->device->close_input_stream(u->hw_module->device, u->stream);
        pa_droid_hw_module_unlock(u->hw_module);
    }

    // Stand alone source
    if (u->hw_module)
        pa_droid_hw_module_unref(u->hw_module);

    pa_xfree(u);
}
Exemple #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);

    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);
}
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);
}