How to record without leaving black spaces on the sides?

[BriunoB]

Hello good morning. This is the problem I have, how can I solve it? thank you

 

[qhobbes]

The Base (Canvas) Resolution needs to match your source.

 

[BriunoB]

The Base (Canvas) Resolution needs to match your source.

how to know my canvas size in obs? and the correct size of output resolution? thanks

 

[PaiSand]

You should start here:

Quick Start Guide | OBS

OBS Knowledge Base. A quick introduction to OBS Studio that guides you towards creating your first stream or recording!

obsproject.com

 

[Suslik V]

What I see on the provided screenshot is media player that is simply not running fullscreen (it running windowed mode instead of fullscreen). So, video was recorded OK, but user wants to play it back fullscreen.