GStreamer featured heavily in my 15-minute lightning talk at the 2013 Google Test Automation Conference last week. "Automated set-top box testing with GStreamer and OpenCV": http://www.youtube.com/watch?v=Fdn2LxxM7wA&list=SPSIUOFhnxEiCODb8XQB-RUQ0RGNZ2yW7d&index=6 --Dave.