I’m also having this problem. Just recorded a test using the Canon C300. Copied everything straight off the card to maintain the folder structure but FCPX will not import it. If I import straight from the card then I’m good, but not from the hard drive.
Using VLC I can play it back no problem but that doesn’t help me import it into FCPX. The top level of my folder structure is CONTENTS, unless you’re suggesting it literally has to be the very top level because I have that in a folder dated with today’s date in another folder called ‘TESTS’.
Dan
Dan Coplan
Cinematographer / DIT
http://www.dancoplan.com