blackborders

hey yall! im streaming a windowed projector to discord, and for some reason its adding bars around it, like this: does anyone know why its happening?

Hi, Im using a Canon EOS 700D as my capture device. i have configured the OBS Base canvas resolution as 1920x1080 and the camera also has the same settings. However when the image gets displayed, it does not cover the fullscreen of the preview (it has black borders around the screen). Even if...