* Search for an device monitor factory of the given name. Refs the returned
* device monitor factory; caller is responsible for unreffing.
*
- * Returns: (transfer full): #GstDeviceMonitorFactory if found, NULL otherwise
+ * Returns: (transfer full): #GstDeviceMonitorFactory if found, %NULL otherwise
*
* Since: 1.4
*/
/**
* gst_device_monitor_register:
- * @plugin: (allow-none): #GstPlugin to register the device monitor with, or NULL for
+ * @plugin: (allow-none): #GstPlugin to register the device monitor with, or %NULL for
* a static device monitor.
* @name: name of device monitors of this type
* @rank: rank of device monitor (higher rank means more importance when autoplugging)
* Create a new device monitorfactory capable of instantiating objects of the
* @type and add the factory to @plugin.
*
- * Returns: TRUE, if the registering succeeded, FALSE on error
+ * Returns: %TRUE, if the registering succeeded, %FALSE on error
*
* Since: 1.4
*/
* Returns the device monitor of the type defined by the given device
* monitorfactory.
*
- * Returns: (transfer full): the #GstDeviceMonitor or NULL if the
+ * Returns: (transfer full): the #GstDeviceMonitor or %NULL if the
* device monitor couldn't be created
*
* Since: 1.4
* Returns the device monitor of the type defined by the given device
* monitor factory.
*
- * Returns: (transfer full): a #GstDeviceMonitor or NULL if unable to
+ * Returns: (transfer full): a #GstDeviceMonitor or %NULL if unable to
* create device monitor
*
* Since: 1.4