/* Called from main context */
static pa_bool_t cmtspeech_sink_input_may_move_to_cb(pa_sink_input *i, pa_sink *dest) {
    struct userdata *u;

    pa_sink_input_assert_ref(i);
    pa_assert_se(u = i->userdata);

    if (cmtspeech_check_sink_api(dest))
        return FALSE;

    return TRUE;
}
int pa__init(pa_module*m) {
    pa_modargs *ma = NULL;
    struct userdata *u;
    const char *sink_name, *source_name, *dbus_type;
    pa_sink *sink = NULL;
    pa_source *source = NULL;

    pa_assert(m);

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

    sink_name = pa_modargs_get_value(ma, "sink", NULL);
    source_name = pa_modargs_get_value(ma, "source", NULL);
    dbus_type = pa_modargs_get_value(ma, "dbus_type", "session");

    pa_log_debug("Got arguments: sink=\"%s\" source=\"%s\" dbus_type=\"%s\"",
                 sink_name, source_name, dbus_type);

    u = pa_xnew0(struct userdata, 1);
    m->userdata = u;
    u->core = m->core;
    u->module = m;

    u->ss.format = PA_SAMPLE_S16NE;
    u->ss.rate = CMTSPEECH_SAMPLERATE;
    u->ss.channels = 1;
    pa_channel_map_init_mono(&u->map);
    /* The result is rounded down incorrectly thus +1 */
    u->dl_frame_size = pa_usec_to_bytes(VOICE_SINK_FRAMESIZE+1, &u->ss);
    u->ul_frame_size = pa_usec_to_bytes(VOICE_SOURCE_FRAMESIZE+1, &u->ss);

    if (!(source = pa_namereg_get(m->core, source_name, PA_NAMEREG_SOURCE))) {
        pa_log_error("Source \"%s\" not found", source_name);
        goto fail;
    }

    if (!(sink = pa_namereg_get(m->core, sink_name, PA_NAMEREG_SINK))) {
        pa_log_error("Sink \"%s\" not found", sink_name);
        goto fail;
    }

    u->sink_name = pa_xstrdup(sink_name);
    u->source_name = pa_xstrdup(source_name);

    if (cmtspeech_check_source_api(source))
        goto fail;

    if (cmtspeech_check_sink_api(sink))
        goto fail;

    u->sink_input = NULL;
    u->source_output = NULL;

    u->local_sideinfoq = pa_queue_new();
    u->voice_sideinfoq = NULL;
    u->continuous_dl_stream = false,
    u->dl_memblockq =
	pa_memblockq_new("cmtspeech dl_memblockq", 0, 4*u->dl_frame_size, 0, &u->ss, 0, 0, 0, NULL);

    u->mainloop_handler = cmtspeech_mainloop_handler_new(u);

    if (cmtspeech_dbus_init(u, dbus_type))
        goto fail;

    if (cmtspeech_connection_init(u))
	goto fail;

    pa_modargs_free(ma);

    return 0;
fail:
    if (ma)
        pa_modargs_free(ma);

    pa__done(m);
    return -1;
}
int cmtspeech_create_sink_input(struct userdata *u) {
    pa_sink_input_new_data data;
    char t[256];

    pa_assert(u);
    pa_assert(!u->sink);
    ENTER();

    if (u->sink_input) {
        pa_log_warn("Create called but input already exists");
        return 1;
    }

    if (!(u->sink = pa_namereg_get(u->core, u->sink_name, PA_NAMEREG_SINK))) {
        pa_log_error("Couldn't find sink %s", u->sink_name);
        return 2;
    }

    if (cmtspeech_check_sink_api(u->sink))
        return 3;

    pa_sink_input_new_data_init(&data);
    data.driver = __FILE__;
    data.module = u->module;
    data.sink = u->sink;
    snprintf(t, sizeof(t), "Cellular call down link");
    pa_proplist_sets(data.proplist, PA_PROP_MEDIA_NAME, t);
    snprintf(t, sizeof(t), "phone");
    pa_proplist_sets(data.proplist, PA_PROP_MEDIA_ROLE, t);
    snprintf(t, sizeof(t), "cmtspeech module");
    pa_proplist_sets(data.proplist, PA_PROP_APPLICATION_NAME, t);
    pa_sink_input_new_data_set_sample_spec(&data, &u->ss);
    pa_sink_input_new_data_set_channel_map(&data, &u->map);
    data.flags = PA_SINK_INPUT_DONT_MOVE|PA_SINK_INPUT_START_CORKED;

    pa_sink_input_new(&u->sink_input, u->core, &data);
    pa_sink_input_new_data_done(&data);

    if (!u->sink_input) {
        pa_log_warn("Creating cmtspeech sink input failed");
        return -1;
    }

    u->sink_input->parent.process_msg = cmtspeech_sink_input_process_msg;
    u->sink_input->pop = cmtspeech_sink_input_pop_cb;
    u->sink_input->process_rewind = cmtspeech_sink_input_process_rewind_cb;
    u->sink_input->update_max_rewind = cmtspeech_sink_input_update_max_rewind_cb;
    u->sink_input->update_max_request = cmtspeech_sink_input_update_max_request_cb;
    u->sink_input->update_sink_latency_range = cmtspeech_sink_input_update_sink_latency_range_cb;
    u->sink_input->kill = cmtspeech_sink_input_kill_cb;
    u->sink_input->attach = cmtspeech_sink_input_attach_cb;
    u->sink_input->detach = cmtspeech_sink_input_detach_cb;
    u->sink_input->moving = cmtspeech_sink_input_moving_cb;
    u->sink_input->state_change = cmtspeech_sink_input_state_change_cb;
    u->sink_input->may_move_to = cmtspeech_sink_input_may_move_to_cb;
    u->sink_input->userdata = u;

    pa_sink_input_put(u->sink_input);

    pa_log_info("cmtspeech sink-input created");

    return 0;
}