Indicates when this pad will become available.
GST_PAD_ALWAYS
the pad is always available
GST_PAD_SOMETIMES
the pad will become available depending on the media stream
GST_PAD_REQUEST
the pad is only available on request with
gst_element_get_request_pad().
Indicates when this pad will become available. GST_PAD_ALWAYS the pad is always available GST_PAD_SOMETIMES the pad will become available depending on the media stream GST_PAD_REQUEST the pad is only available on request with gst_element_get_request_pad().