piSignage screen size can be configured to 1280x720 or 1920x1080 in landscape mode and 720x1280 or 1080x1920 in portrait mode. In addition piSignage player supports NTSC and PAL modes.
The ticker at the bottom is 60px height in all modes.
Upload images and videos of these sizes to take advantage of full screen and aspect ratios.
In case of multi-zone layout is selected please refer to the sizes of various zones in layout document or in the layout popup under playlist screen.
You can define custom video sizes under Layout selection popup (in video window tabs). Under Group Settings, image and video stretch option can be selected to play in full screen or zone. Otherwise they will be shown at actual size.