Abstract
Creates Gst::Element instances.
Inherits from: Gst::PluginFeature .
Included in: Gst .
Index: RANK_MARGINAL RANK_NONE RANK_PRIMARY RANK_SECONDARY create details each_pad_template find make pad_templates rank rank_marginal? rank_none? rank_primary? rank_secondary? to_s
| Class methods | |
|---|---|
| find | find(aFactoryNameString) -> aGstElementFactory |
Searches for an element factory of the given name. If found, returns a Gst::ElementFactory object. Otherwise, returns nil. | |
| make | make(aFactoryNameString, anElementNameString=nil) -> aGstElement |
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. Example:
# 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")
| |
| Instance methods | |
|---|---|
| create | create(anElementNameString=nil) -> aGstElement |
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. | |
| details | details -> aHash |
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:
Example:
# Prints all details related to the 'mad' element:
Gst::ElementFactory.find("mad").details do |k, v|
p "#{k}: #{v}"
end
| |
| each_pad_template | each_pad_template { |aPadTemplateObject| block } -> nil |
Calls the block for each pad template of the factory, passing a reference to the Gst::PadTemplate as parameter. | |
| pad_templates | pad_templates -> anArray |
Requests all pad templates of factory, in an array of Gst::PadTemplate objects. | |
| rank | rank -> aFixnum |
Gets the rank of the factory: | |
| rank_marginal? | rank_marginal? -> aBoolean |
Checks if the rank of the factory equals RANK_MARGINAL. | |
| rank_none? | rank_none? -> aBoolean |
Checks if the rank of the factory equals RANK_NONE. | |
| rank_primary? | rank_primary? -> aBoolean |
Checks if the rank of the factory equals RANK_PRIMARY. | |
| rank_secondary? | rank_secondary? -> aBoolean |
Checks if the rank of the factory equals RANK_SECONDARY. | |
| to_s | to_s -> aString |
Gets a string representing the factory. | |