a pointer to the #GstDeviceProviderFactory that creates this provider
the parent #GstObjectClass structure
Returns a list of devices that are currently available. This should never block. The devices should not have a parent and should be floating.
Starts monitoring for new devices. Only subclasses that can know that devices have been added or remove need to implement this method.
Stops monitoring for new devices. Only subclasses that implement the start() method need to implement this method.
The structure of the base #GstDeviceProviderClass