Retrieves a pad from @element by name. This version only retrieves already-existing (i.e. 'static') pads.
the name of the static #GstPad to retrieve.
the requested #GstPad if found, otherwise %NULL. unref after usage.
MT safe.
See Implementation
Retrieves a pad from @element by name. This version only retrieves already-existing (i.e. 'static') pads.