SopCast Runner is ruby command line script for running streaming video in external player
For Ubuntu Precies 12.04 LTS:
add ppa repository
$ sudo add-apt-repository ppa:sabotatore/sopcast
install sopcast-runner package
$ sudo apt-get update && sudo apt-get install sopcast-runner
$ sopcast-runner [ChannelURL]
or
$ sopcast-runner [ChannelId]
Already has integration with internet browsers. Stream runs automatically after clicking by sop:// links.
You can change default player
$ sudo gedit /etc/sopcast_runner/sopcast_runner.conf