Starts monitoring the devices, one this has succeeded, the gst.types.MessageType.DeviceAdded and gst.types.MessageType.DeviceRemoved messages will be emitted on the bus when the list of devices changes.
true if the device monitoring could be started, i.e. at least a single device provider was started successfully.
Starts monitoring the devices, one this has succeeded, the gst.types.MessageType.DeviceAdded and gst.types.MessageType.DeviceRemoved messages will be emitted on the bus when the list of devices changes.