Retrieves a request pad from the element according to the provided template. Pad templates can be looked up using gst_element_factory_get_static_pad_templates().
The pad should be released with gst_element_release_request_pad().
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.
See Implementation
Retrieves a request pad from the element according to the provided template. Pad templates can be looked up using gst_element_factory_get_static_pad_templates().
The pad should be released with gst_element_release_request_pad().