For monorepo build and ugly/bad, for advanced feature option API like get_option('xyz').required(..) which we use in combination with the 'gpl' option. For rest of modules for consistency (people will likely use newer features based on the top-level requirement). Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1084>
gst-rtsp-server is a library on top of GStreamer for building an RTSP server There are some examples in the examples/ directory and more comprehensive documentation in docs/README.