A method in the code is used in another place (device provider) Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2519>
... and lower rank of dshowvideosink and dshowdeviceprovider to GST_RANK_MARGINAL since we don't prefer this plugin by default Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1744>