Starts monitoring the devices, one this has succeeded, the %GST_MESSAGE_DEVICE_ADDED and %GST_MESSAGE_DEVICE_REMOVED messages will be emitted on the bus when the list of devices changes.
%TRUE if the device monitoring could be started
1.4
See Implementation
Starts monitoring the devices, one this has succeeded, the %GST_MESSAGE_DEVICE_ADDED and %GST_MESSAGE_DEVICE_REMOVED messages will be emitted on the bus when the list of devices changes.