class Gst::ElementFactory

Creates Gst::Element instances.

• Object
  • GLib::Instantiatable
    • GLib::Object
      • Gst::PluginFeature
        • Gst::ElementFactory

Gst::ElementFactory.find(factory_name)

Searches for an element factory of the given name.

• factory_name: a name of an existing factory.
• Returns: a Gst::ElementFactory object if found, nil otherwise.

Gst::ElementFactory.make(factory_name, element_name)

Creates a new Gst::Element of the type defined by the given element factory. If element name is ommited (or nil), then the element will receive a guaranteed unique name, consisting of the element factory name and a number. If name is given, it will be given the name supplied.

# Creates a 'mad' GStreamer element, named 'foo':
elem1 = Gst::ElementFactory.make("mad", "foo")

# This line does exactly the same thing:
elem2 = Gst::ElementFactory.find("mad").create("foo")

• factory_name: a name of an existing factory.
• element_name: a name which will be attributed to the element.
• Returns: a newly created object based on Gst::Element.

create(element_name=nil)

Creates a new element of the type defined by the element factory. If element name is ommited (or nil), then the element will receive a guaranteed unique name, consisting of the element factory name and a number. If name is given, it will be given the name supplied.

• element_name: a name which will be attributed to the element.
• Returns: a newly created object based on Gst::Element.

details

Gets some public information about the factory, mostly for the benefit of editors. This information is encapsulated in a Hash object, with the following (String) keys:

• longname: long (English) element name.
• klass: type of element, as hierarchy.
• description: a short description about the element.
• author: some information about the author(s).

Here is an example.

# Prints all details related to the 'mad' element:
Gst::ElementFactory.find("mad").details do |k, v| 
	p "#{k}: #{v}"
end

• Returns: a Hash.

each_pad_template { |pad_template| ... }

Calls the block for each pad template of the factory, passing a reference to the Gst::PadTemplate as parameter.

• Returns: always nil.

pad_templates

Requests all pad templates of factory.

• Returns: an array of Gst::PadTemplate objects.

Gst?.

- lrz?