Create a new ghostpad based on @templ, without setting a target. The direction will be taken from the @templ.
the name of the new pad, or %NULL to assign a default name
the #GstPadTemplate to create the ghostpad from.
Return: a new #GstPad, or %NULL in case of an error.
ConstructionException GTK+ fails to create the object.
See Implementation
Create a new ghostpad based on @templ, without setting a target. The direction will be taken from the @templ.