Hello,
I think I found the problem, at least to some extent, perhaps you can confirm this?
I changed the file extension from .mkv to .mov
I also noticed (after I posted here) that there was an error message on import saying something about the file not matching project settings.
Which was partly true:
- resolution was fine = same
- but frame rate of video was 25.000 fps, project: 30.000 fps
FYI, for all occasional editors who are wondering: I used a simple free transcoder 'Vidcoder' (based on Handbrake, in turn based on ffmpeg libraries, AFAIK)
to convert the frame rate, (2nd case I even used AviSynth frame server and VirtualDub), and now I can use the videos fine.
Is there a specs. page online or in the PDF guides somewhere, I may have missed? Although only fairly recently started doing some creative editing, I have edited digital video for over 15 years and am pretty knowledgable about formats.
Thanks! Great software! Fine forum!