I'm trying to export a 2:40min long seq in apple prores422hq and the result after export is always just a 1:39 min long clip. Any ideas why?
Thanks for your help.
Likely because you have a corrupt item at 1:39. See, if removing or replacing, or re-instituting any footage, stills or plug-ins at that point on your timeline.
I'd first ask how you're determining the length of the export?