See this answer - Exporting Sketch With Movie Is Blank - #5 by neilcsmith
You need to move the GStreamer library around in the exported application as the Video library is looking in the wrong location due to a bug in Processing.
See this answer - Exporting Sketch With Movie Is Blank - #5 by neilcsmith
You need to move the GStreamer library around in the exported application as the Video library is looking in the wrong location due to a bug in Processing.