I recorded a video in 3440x1440 using OBS and as a raw file it was all fine. Then in Shotcut I added an intro (in preview and the proxy itself also shows fine) and changed the export settings to the following:
Now the footage has a slight black border around, like it got shrunk by ~15 pixels compared to the “blackboard”. Any ideas why does this happen and how to avoid it next time?
Here’s how it looks after exporting: https://youtu.be/aAhoizwpAlc