GstPluginFeature Base class for contents of a GstPlugin This is a base class for anything that can be added to a #GstPlugin. #GstPlugin Get the name of the feature @feature: The feature to query @name: @type: @feature: @user_data: @Returns: @feature: @Returns: @feature: @feature: @data: @Returns: @feature: @rank: @feature: @name: @feature: @Returns: @feature: @Returns: