commit e64c6f0b93ced added usage of the SHOUT_USAGE_UNKNOWN symbol, but this became available in the Icecast-libshout 2.4.3 release, not 2.4.2 Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3048>
commit e64c6f0b93ced added usage of the SHOUT_USAGE_UNKNOWN symbol, but this became available in the Icecast-libshout 2.4.3 release, not 2.4.2 Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3048>