C++ (Cpp) pa_state_path Beispiele

Beispiel #1

Datei: module-default-device-restore.c Projekt: jprvita/pulseaudio

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

    pa_assert(m);

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

    if (!(u->sink_filename = pa_state_path("default-sink", true)))
        goto fail;

    if (!(u->source_filename = pa_state_path("default-source", true)))
        goto fail;

    load(u);

    u->subscription = pa_subscription_new(u->core, PA_SUBSCRIPTION_MASK_SERVER, subscribe_cb, u);

    return 0;

fail:
    pa__done(m);

    return -1;
}

Beispiel #2

Datei: module-device-restore.c Projekt: felfert/pulseaudio

int pa__init(pa_module*m) {
    pa_modargs *ma = NULL;
    struct userdata *u;
    char *fname;
    pa_sink *sink;
    pa_source *source;
    uint32_t idx;
    pa_bool_t restore_volume = TRUE, restore_muted = TRUE, restore_port = TRUE;

    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, "restore_volume", &restore_volume) < 0 ||
        pa_modargs_get_value_boolean(ma, "restore_muted", &restore_muted) < 0 ||
        pa_modargs_get_value_boolean(ma, "restore_port", &restore_port) < 0) {
        pa_log("restore_port=, restore_volume= and restore_muted= expect boolean arguments");
        goto fail;
    }

    if (!restore_muted && !restore_volume && !restore_port)
        pa_log_warn("Neither restoring volume, nor restoring muted, nor restoring port enabled!");

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

    u->subscription = pa_subscription_new(m->core, PA_SUBSCRIPTION_MASK_SINK|PA_SUBSCRIPTION_MASK_SOURCE, subscribe_callback, u);

    if (restore_port) {
        u->sink_new_hook_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_NEW], PA_HOOK_EARLY, (pa_hook_cb_t) sink_new_hook_callback, u);
        u->source_new_hook_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_NEW], PA_HOOK_EARLY, (pa_hook_cb_t) source_new_hook_callback, u);
    }

    if (restore_muted || restore_volume) {
        u->sink_fixate_hook_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_FIXATE], PA_HOOK_EARLY, (pa_hook_cb_t) sink_fixate_hook_callback, u);
        u->source_fixate_hook_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_FIXATE], PA_HOOK_EARLY, (pa_hook_cb_t) source_fixate_hook_callback, u);
    }

    if (!(fname = pa_state_path("device-volumes", TRUE)))
        goto fail;

    if (!(u->database = pa_database_open(fname, TRUE))) {
        pa_log("Failed to open volume database '%s': %s", fname, pa_cstrerror(errno));
        pa_xfree(fname);
        goto fail;
    }

    pa_log_info("Successfully opened database file '%s'.", fname);
    pa_xfree(fname);

    for (sink = pa_idxset_first(m->core->sinks, &idx); sink; sink = pa_idxset_next(m->core->sinks, &idx))
        subscribe_callback(m->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_NEW, sink->index, u);

    for (source = pa_idxset_first(m->core->sources, &idx); source; source = pa_idxset_next(m->core->sources, &idx))
        subscribe_callback(m->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_NEW, source->index, u);

    pa_modargs_free(ma);
    return 0;

fail:
    pa__done(m);

    if (ma)
        pa_modargs_free(ma);

    return -1;
}