On 6/27/2020 8:53 AM, Simon Roberts wrote:
1) create a composite output that has all four of the inputs laid out one per quadrant, so all can be seen on a single display
Google "ffmpeg multiviewer", you'll find a handful of ideas, including this- https://trac.ffmpeg.org/wiki/Create%20a%20mosaic%20out%20of%20several%20input%20videos That should get you started. z! _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".