>>927
rtsp://ssr.cdn-japan.com/c0001-e01/news/jiji_movie/g030407l.rm
で試してみたのだが、
Playing rtsp://ssr.cdn-japan.com/c0001-e01/news/jiji_movie/g030407l.rm
Failed to create AF_INET6 socket:
Resolving ssr.cdn-japan.com for AF_INET...
Connecting to server ssr.cdn-japan.com[210.130.219.10]:554 ...
rtsp:// fd=5
librtsp: server responds: 'RTSP/1.0 404 Not Found'
librtsp: server responds: 'SETUP rtsp://ssr.cdn-japan.com/c0001-e01/news/jiji_movie/g030407l.rm:554/streamid=1 RTSP/1.0'
zsh: killed ./mplayer rtsp://ssr.cdn-japan.com/c0001-e01/news/jiji_movie/g030407l.rm

他の方、どうですか?