Retrieves a request pad from the element according to the provided template. Pad templates can be looked up using Element.factoryGetStaticPadTemplates.
The pad should be released with Element.releaseRequestPad.
a gstreamer.PadTemplate of which we want a pad of.
the name of the request gstreamer.Pad to retrieve. Can be NULL.
the caps of the pad we want to request. Can be NULL.
requested gstreamer.Pad 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 Element.factoryGetStaticPadTemplates.
The pad should be released with Element.releaseRequestPad.