I have a P900 mobile phone and like watching movies on it using the SmartMovie application. This application also supports other mobile devices (PALM, PocketPC, Symbian-Phones, etc.) so check this out if you ever wanted to watch a movie on the go!
After watching some movies (I converted my DVD with ffmpegX into a playable XviD, DIVX to play with SmartMovie), I was thinking of something more fun: Could I also watch the late-evening TV news/show the next day on my ride to work? Unfortunately, my local TV station only supports Real streams of all its shows, which are not playable on my phone.
However, I just found mencoder (a Mac OS X binary can be downloaded here, or it's 'included' with ffmpegX), which allows one to convert those Real streams into an AVI file, which my phone can play. For example, to convert my favorite evening news, it's done like this:
./mencoder -oac mp3lame -lameopts cbr:br=64:vol=2 -srate 22050 \
-ovc xvid -sws 1 -xvidencopts bitrate=90:max_key_interval=120:vhq=3 \
-ofps 12 -vop scale=272:208 rtsp://194.6.181.114:554/sfdrs/10vor10/\
160k/10vor10_05082004-160k.rm -o /Users/michi/10vor10.avi
[robg adds: I haven't tested this one, but ffmpegX has been mentioned here before as a useful video tools package.]
Mac OS X Hints
http://hints.macworld.com/article.php?story=2004080611133271