gupnp

static void
add_item (GUPnPContext        *context,
          GUPnPDIDLLiteWriter *didl_writer,
          GUPnPDIDLLiteObject *object,
          const char          *id,
          const char          *parent_id,
          const char          *mime,
          const char          *title,
          const char          *path)
{
    GUPnPDIDLLiteResource *res;
    res = gupnp_didl_lite_object_add_resource(object);
    gupnp_didl_lite_resource_set_uri(res, g_strdup_printf ("http://%s:%d%s",
                                                           gupnp_context_get_host_ip (context),
                                                           gupnp_context_get_port (context),
                                                           path));
    gupnp_didl_lite_resource_set_protocol_info(res, gupnp_protocol_info_new_from_string(g_strdup_printf("http-get:*:%s:*", mime), NULL));
    gupnp_didl_lite_object_set_id(object, id);
    gupnp_didl_lite_object_set_parent_id(object, parent_id);
    gupnp_didl_lite_object_set_title(object, title);
}

static char *
browse_direct_children ()
{
    GUPnPContext *context;
    const char *didl;
    char *result;
    GUPnPDIDLLiteWriter *didlw = gupnp_didl_lite_writer_new (NULL);
    GUPnPDIDLLiteObject *object = GUPNP_DIDL_LITE_OBJECT
            (gupnp_didl_lite_writer_add_item (didlw));
    context = gupnp_device_info_get_context (GUPNP_DEVICE_INFO (device));
    add_item (context,
              didlw,
              object,
              "4000",
              "0",
              "audio/mp3",
              "Song1",
              "/home/phantom/Music/2.mp3");
    didl = gupnp_didl_lite_writer_get_string (didlw);
    result = g_strdup(didl);
    qDebug() << result;
    return result;
}

static void browse_cb (GUPnPService *service,
                       GUPnPServiceAction *action,
                       gpointer user_data)
{
    qDebug()<< "Browse";
    char *object_id, *browse_flag;
    char *result;
    guint num_returned = 1;
    /* Handle incoming arguments */
    gupnp_service_action_get (action,
                              "ObjectID",
                              G_TYPE_STRING,
                              &object_id,
                              "BrowseFlag",
                              G_TYPE_STRING,
                              &browse_flag,
                              NULL);
    result = browse_direct_children();
    /* Set action return arguments */
    gupnp_service_action_set (action,
                              "Result",
                              G_TYPE_STRING,
                              result,
                              "NumberReturned",
                              G_TYPE_UINT,
                              num_returned,
                              "TotalMatches",
                              G_TYPE_UINT,
                              num_returned,
                              "UpdateID",
                              G_TYPE_UINT,
                              32,
                              NULL);
    gupnp_service_action_return (action);
}