Auto Reframe in Adobe Premiere Pro, which automatically changes the aspect ratio of the film

Theoretically, something like a 4: 3 movie has long gone into oblivion. Theoretically, because on such Instagram the best movie format is 4: 5. It's just that if you scale the "rectangular" video from the standard 16: 9 to 4: 5 format, you will lose a large part of the recorded frame. Of course, you