i havent tried this myself, but u may be able to encode movies in real format using realproducer basic...it can be used for creating realaudio and realvideo 10 for non-professional purposes.
*www.realnetworks.com/products/producer/index.html
*www.realnetworks.com/products/producer/basic.html
*forms.real.com/rnforms/products/tools/producerbasic/index.html
btw, just why do u wanna make movies in real format? its primarily for streaming audio/video. quality will never be as good as videos in avi, mpeg, wmv or divx formats.