Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2424>
rtmpsrc/sink: These plugins require librtmp from http://rtmpdump.mplayerhq.hu/ You have to build librtmp with -fPIC to be able to use it with the GStreamer plugin: make XCFLAGS="-fPIC"