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[Bug 892859] Re: Segmentation Fault During Preview After Applying Effect

 

I'm using frei0r-plugins v1.3-2 and mlt 0.7.6-1.

I did a bit more testing on this based on your questions about the bug:

* - This is not the only effect that will produce the crash. I tried to use Color Distance with it and it also causes the same crash. However, please see my next note.
* - This problem is NOT reproducible if I use the Blur effect first and THEN apply the Cartoon. I was able to stack multiple effects, preview them, and experience no crash. However, if Cartoon (or Color Distance) is the only effect on the video, the crash occurs.

I found another video on my system that I shot using my handheld
camcorder. The output of 'file' on this video is below:

VR_MOVIE.VRO: MPEG sequence, v2, program multiplex

I did not experience the crash with the Cartoon effect with this video
as I did with the other.

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AL - BR, which is subscribed to OpenShot Video Editor.
https://bugs.launchpad.net/bugs/892859

Title:
  Segmentation Fault During Preview After Applying Effect

Status in OpenShot Video Editor:
  New

Bug description:
  Overview: This bug is very similar to bug #577821 (except different
  version, different effect). While using OpenShot v1.4.0, I tried to
  add the Cartoon effect to a video (just to mess around) and, after
  adding the effect and attempting to preview, OpenShot crashes with
  'Segmentation Fault'.

  System Information:
  - Linux Distribution and Version: ArchLinux 3.1.1-1-ARCH (though I don't know how relevant this is because of the rolling releases)
  - Installation Method: pacman
  - Version of OpenShot: 1.4.0

  Reproduce Steps:
  - Run 'openshot' from the terminal.
  - In the 'Project Files' tab, right click and select 'Import Files'.
  - Browse to the file you want to work with (I used an MP4) and click Open. The video appears in the list.
  - Drag the video to track 1 (I dragged it slightly off start to illustrate my point).
  - Change to the 'Effects' tab.
  - Drag the Cartoon effect to the video on track 1.
  - Click Play in the Video Preview window. The video will play (blank) until it reaches the clip with the effect.
  - Note the 'Segmentation Fault' that occurs.

  I've attached the output from the above recreate where I ran 'openshot
  > openshot_bug_output.txt 2>&1' and recreated the problem. I attempted
  to use the openshot debug script, but this appears to be specifically
  for Debian-based distributions (it was looking for dpkg on my system).

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References