Dependencies already satisfied by Slackware:

• sox

Dependencies of get_iplayer:

• ffmpeg

Unfilled dependencies:

• frei0r

  git clone git://code.dyne.org/frei0r.git

• mlt (http://sourceforge.net/projects/mlt/files/)
• pyXDG? (http://www.freedesktop.org/wiki/Software/pyxdg)