C++ (Cpp) SoundIo::on_backend_disconnectの例

コード例 #1

ファイル: jack.cpp プロジェクト: AlexShiLucky/luapower-all

static void my_flush_events(struct SoundIoPrivate *si, bool wait) {
    SoundIo *soundio = &si->pub;
    SoundIoJack *sij = &si->backend_data.jack;
    int err;

    bool cb_shutdown = false;

    soundio_os_mutex_lock(sij->mutex);

    if (wait)
        soundio_os_cond_wait(sij->cond, sij->mutex);

    if (sij->is_shutdown && !sij->emitted_shutdown_cb) {
        sij->emitted_shutdown_cb = true;
        cb_shutdown = true;
    }

    soundio_os_mutex_unlock(sij->mutex);

    if (cb_shutdown) {
        soundio->on_backend_disconnect(soundio, SoundIoErrorBackendDisconnected);
    } else {
        if (!sij->refresh_devices_flag.test_and_set()) {
            if ((err = refresh_devices(si))) {
                sij->refresh_devices_flag.clear();
            } else {
                soundio->on_devices_change(soundio);
            }
        }
    }
}

コード例 #2

ファイル: pulseaudio.cpp プロジェクト: siavashserver/libsoundio

static void my_flush_events(SoundIoPrivate *si, bool wait) {
    SoundIo *soundio = &si->pub;
    SoundIoPulseAudio *sipa = &si->backend_data.pulseaudio;

    bool change = false;
    bool cb_shutdown = false;
    SoundIoDevicesInfo *old_devices_info = nullptr;

    pa_threaded_mainloop_lock(sipa->main_loop);

    if (wait)
        pa_threaded_mainloop_wait(sipa->main_loop);

    if (sipa->device_scan_queued && !sipa->connection_err) {
        sipa->device_scan_queued = false;
        sipa->connection_err = refresh_devices(si);
        cleanup_refresh_devices(si);
    }

    if (sipa->connection_err && !sipa->emitted_shutdown_cb) {
        sipa->emitted_shutdown_cb = true;
        cb_shutdown = true;
    } else if (sipa->ready_devices_info) {
        old_devices_info = si->safe_devices_info;
        si->safe_devices_info = sipa->ready_devices_info;
        sipa->ready_devices_info = nullptr;
        change = true;
    }

    pa_threaded_mainloop_unlock(sipa->main_loop);

    if (cb_shutdown)
        soundio->on_backend_disconnect(soundio, sipa->connection_err);
    else if (change)
        soundio->on_devices_change(soundio);

    soundio_destroy_devices_info(old_devices_info);
}