In case you aren't joking, a video in the original 4:3 format can be zoomed in to watch it in 16:9 cropped or stretched to 16:9. But a video that has already been stretched usually can't be destretched and one that has been cropped cannot be zoomed out.
Well just zoom out then, duh ¯\_(ツ)_/¯
In case you aren't joking, a video in the original 4:3 format can be zoomed in to watch it in 16:9 cropped or stretched to 16:9. But a video that has already been stretched usually can't be destretched and one that has been cropped cannot be zoomed out.