I've had this happen before with other cameras. You might not be screwed, It could just be the quicktime wrapper. If there's even the smallest error in writing that wrapper, QT throws it's hands in the air and says "I don't know what that is." |
The first thing to do it to look at file sizes in finder. If they're large (100s of M or a few Gigs) that means you've got the data and there's hope. If file size says zero, then most likely you've got nothing recorded.
If you've got data ...
1st - Duplicate all the files to a second drive so that you're not messing with the originals. Be sure and leave those untouched on the card because it might be a card read issue.
2nd - Change the file extension on one of the copies from .mov to .mp4 and see if that file will playback in QT Player, then VLC. If it does ... lather, rise, repeat.
3rd - If .mp4 doesn't work try .m4v (it's unlikely this will work if .mp4 doesn't but worth a try)
If none of that works repost and I throw some other ideas at you.
BTW - If the file extension change works and you're editing in FCPX, make sure you transcode/optimize on import and it'll convert the files to ProRes and then you should be fine going forward.
Hope it works for you. I've been in your position more than once. Hindsight is 20/20 but if you've got a device along that can read a SD card it's always a good idea to tech check in the field so you can catch this stuff early.