signal callback delegate or function to connect
gstpbutils.discoverer_info.DiscovererInfo callback(string uri, gstpbutils.discoverer.Discoverer discoverer)
uri THe URI to load the serialized info for (optional)
discoverer the instance the signal is connected to (optional)
Returns The #GstDiscovererInfo representing uri, or null if no information
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Connect to LoadSerializedInfo signal.
Retrieves information about a URI from and external source of information, like a cache file. This is used by the discoverer to speed up the discovery.