Viewerframe Mode Full [best]
When forcing a video feed into "Mode Full," a 4:3 aspect ratio stream might be stretched to fit a 16:9 widescreen monitor.
"viewerframe?mode=full" is a specific URL query string that was historically used by web-based network cameras (webcams), particularly those manufactured by (NetCam series) and a few other brands in the early 2000s. viewerframe mode full