Aspect ratio - sblantipodi/firefly_luciferin GitHub Wiki

Luciferin supports your favourite aspect ratio and is able to adapt to different sources.

You can easily adapt a 16:9 video on a 21:9 monitor by using the dedicated aspect ratio feature.

You can change your preferred aspect ratio via the settings menu:

Or on the fly by right-clicking the tray icon:

Auto Aspect Ratio Detection

The Auto option enables black bars auto-detection, allowing Luciferin to automatically switch to the correct aspect ratio in real time, without any manual intervention.