I had made several recordings for a course, and when I was about to upload them, I was surprised to find out they were all damaged. I cannot open the videos at all.
I tried using a couple of video repairing software (vlc and stellar) to try and fix/repair the vids, but to no avail. What do you suggest I should do? Editing the original videos takes a while.
Even trying to play the video on QuickTime shows the alert below:
QuickTime Player can't open "lecture1.mp4".