Smart workflows using Galicaster plugins and the Opencast Execute Service

Stephen Marquard

The University of Cape Town applies several techniques to process lecture recordings in different ways, from capture through to publication, depending on the attributes of the source media and other information like timetabling status.

This short overview will some of these techniques, including the use of:

• Galicaster plugins
• ffprobe and ffmpeg video filters
• audio analysis
• the Execute Service workflow operation handler