I used to use Blender one year ago and just reinstalled it 2 days ago. I am facing an issue that seems to be a bug to me.

I am on archlinux, last 17:2.81.a-5 blender version with no library issue.

In video editor mode, I upload a mp4 video. When I cut (K) a strip in two strips, half the time (more or less) it cut it at the right time line but the cut is performed between 2 and 10 frames later in the time. I can not fins any sens to this behavior, so I think this is just a bug.

For example, I have a strip from 0 to 200 frames, I cut it at the frame 100 and now, the end of the left strip is corresponding to the 96th frame, not the 100th. So, I have 4 frames in the right strip that should be on the left strip. It does it pretty randomly. I tried all the different cuts (soft, hard), with keymap, without. Could it be a bug from the last release? Any idea? Thanks for your time.


1 Answer 1


Your source file may have variable frame rate. You can use MediaInfo to check: https://mediaarea.net/en/MediaInfo If it has VFR you'll need to re-encode it with ex. Handbreake or any other GUI for ffmpeg: https://handbrake.fr/

  • $\begingroup$ This is the right answer, I figured it out few days ago and was trying this solution. $\endgroup$
    – yoarch
    Commented Feb 8, 2020 at 10:51
  • $\begingroup$ @yoarch Please don't reply "Thanks" as an answer or comment, instead upvote the post that helped you. If you feel it completely solved your issue consider marking it as accepted. $\endgroup$ Commented Mar 27, 2022 at 19:51

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