Dxtory isn't compatible with Battlefield 4.
Dxtory isn't compatible with Battlefield 4.
You're using Dxtory 2.0.127 without an update, which is causing issues with recording. The software isn't picking up the file format correctly. Updating should resolve this problem. Suggested fixes include checking your input files and ensuring they match the expected format.
You might want to note that other recording software can do the same thing. I prefer Mirillis Action, as I've tried it in numerous games and it performs well. The best part is it doesn’t significantly hurt gaming performance—around a 3% reduction. Here’s the link: https://mirillis.com/en/products/action.html. If you don’t want to spend money, you can look for his torrent online.