Retrieves a request pad from the element according to the provided template. Pad templates can be looked up using gst.element_factory.ElementFactory.getStaticPadTemplates.
The pad should be released with gst.element.Element.releaseRequestPad.
a #GstPadTemplate of which we want a pad of.
the name of the request #GstPad to retrieve. Can be null.
the caps of the pad we want to request. Can be null.
requested #GstPad if found, otherwise null. Release after usage.
Retrieves a request pad from the element according to the provided template. Pad templates can be looked up using gst.element_factory.ElementFactory.getStaticPadTemplates.
The pad should be released with gst.element.Element.releaseRequestPad.