Since this is your code, you should also include the relevant source where the crash occurs. At the minimum, you should symbolicate it so it can be read. I attached the entire crash log at the bottom in case it helps.Your crash log is not useful. Depending on which parts of ffmpeg you are using, it could fall it a more restrictive case that would forbid use in the Mac App Store. You will need to carefully review the FFmpeg license and your use of the project.

Or get it on the MacOS app store. The licensing of ffmpeg may forbid that. Then you would have had more time to work on it and more people to help.

Ideally, it should have been notarized a couple of years ago. In Big Sur 11.1, the app is unopenable and we are now looking to notarize the app bundleI can help you with the notarization. I'm from an open-source company that made a simple tool to convert videos from one format to another using FFmpeg in a MacOS app built with python that has been distributed from our site for the past few years.

Herd protect ffmpeg audacity