Thanks, for the update.

I will now move forward as you suggest.

For some reason I had it in my head that the 'layer parameter was '-l'. Using the full '--layer' now lets me go negative However, on my my Pi 2 using -128 for omxplayer gives sound but no video. I have a Pi 3 which I will have to hook up to try. I am still wondering if there is a way of wrestling th...

Thanks for the suggestion.

I have tried that, but omxplayer will not accept a negative layer number

So, I have to try and move the pygame output into a positive layer number

I have a python program that runs omxplayer in one thread and pygame surfaces manipulation in another. Currently the omxplayer video size and position has been restricted to one area of the screen and the pygame surfaces sit around it. So both are visible. I am wanting to run the video full screen a...