Working fine to me.
Code:
rtmpdump -v -r "rtmp://flash67.ustream.tv/ustreamVideo/9792704/streams/live" -W "http://static-cdn1.ustream.tv/swf/live/viewer:42.swf" -p "http://www.ustream.tv/channel/tvmetropolis" | vlc -
RTMPDump v2.4 GIT-2012-03-08 (Compiled by KSV)
(c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL
WARNING: You haven't specified an output file (-o filename), using stdout
Connecting ...
INFO: Connected...
Starting Live Stream
INFO: Metadata:
INFO: author
INFO: copyright
INFO: description
INFO: keywords
INFO: rating
INFO: title
INFO: presetname Custom
INFO: creationdate Tue Jun 26 13:47:00 2012
INFO: videodevice Microsoft DV Camera and VCR
INFO: framerate 25.00
INFO: width 360.00
INFO: height 288.00
INFO: videocodecid avc1
INFO: videodatarate 400.00
INFO: avclevel 31.00
INFO: avcprofile 66.00
INFO: videokeyframe_frequency 5.00
INFO: audiodevice Microsoft DV Camera and VCR
INFO: audiosamplerate 44100.00
INFO: audiochannels 2.00
INFO: audioinputvolume 75.00
INFO: audiocodecid .mp3
INFO: audiodatarate 96.00
5231.062 kB / 79.15 sec
ERROR: Download: Failed writing, exiting!