The long English name of the device provider. E.g. "File Sink"
String describing the type of device provider, as an unordered list separated with slashes ('/'). See draft-klass.txt of the design docs for more details and common types. E.g: "Sink/File"
Sentence describing the purpose of the device provider. E.g: "Write stream to a file"
Name and contact details of the author(s). Use \n to separate multiple author metadata. E.g: "Joe Bloggs <joe.blogs at foo.com>"
1.4
Sets the detailed information for a gstreamer.DeviceProviderClass
> This function is for use in _class_init functions only.