streaming elephants dream in flv format
download the movie
http://www.elephantsdream.org/
then stream it with vlc

cvlc --security-policy=1 -v --color --sout '#transcode{vcodec=FLV1,acodec=mpga,ab=192,samplerate=44100,venc=ffmpeg{keyint=80,hurry-up,vt=800000},deinterlace}:std{access=http,mux=ffmpeg{mux=flv},dst=0.0.0.0:1234/stream.flv}' elephantsdream-480-h264-st-aac.mov