Parole: Could not initialise Xv output
GStreamer backend error Could not initialise Xv output
In the past you had to run the following command to change the internal Parole config:
parole --xv false
But that's not needed any more. There is now a config setting in Parole itself that allows you to change the video output directly. Simple go to Tools / Settings and then select the Tab Display. There you can select a different output mode.