Bug 358223 - Rotoscoping effect crashes kdenlive when played
Summary: Rotoscoping effect crashes kdenlive when played
Status: RESOLVED FIXED
Alias: None
Product: kdenlive
Classification: Applications
Component: Effects & Transitions (show other bugs)
Version: unspecified
Platform: Arch Linux Linux
: NOR major
Target Milestone: ---
Assignee: Vincent PINON
URL:
Keywords:
: 359232 359808 (view as bug list)
Depends on:
Blocks:
 
Reported: 2016-01-19 19:27 UTC by sowieso
Modified: 2016-09-27 20:44 UTC (History)
10 users (show)

See Also:
Latest Commit:
Version Fixed In:


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Description sowieso 2016-01-19 19:27:45 UTC
Everytime the rotoscoping effect is added to a clip, kdenlive crashes to desktop. Projects can be recovered but rotoscoping feature is unusable.

Reproducible: Always

Steps to Reproduce:
1. Add sample Clip
2. Add rotoscoping effect to it
3. Press play or use the timeline to scroll, sometimes takes a few seconds or clicks

Actual Results:  
Segmentation fault


Using version 15.12.1
Tried it also in Opensuse Leap 42.1 on a different machine. Same crash. Previous version.
Comment 1 Jean-Baptiste Mardelle 2016-01-19 23:32:27 UTC
The rotoscoping effect has not yet been ported to the new qml monitor scene that was introduced with the KF5 port, and I can confirm that it is currently crashing Kdenlive. Will require some work - I will report progress here.
Comment 2 Yusuf Ismail 2016-01-29 23:26:26 UTC
I want to add that I'm experiencing this crash as well. Rotoscoping is still completely unusable. I am running off the SVN PPA by Olivier Banus (last built 2 days ago from this post).

I am on Ubuntu 15.10 64bit, working on a HD1080p 24fps project.

Reproducible: Always

Steps to Reproduce: 
1. Add Clip to timeline 
2. Add rotoscoping effect to it 
3. Attempt to add points (bezier curve on first frame), or scroll on timeline or really anything. Once rotoscoping is added to a clip, it's only a short matter of time before it brings Kdenlive to it's knees.

Actual Results: Segmentation fault

Using version 15.13.0
I also went back to version 15.08.1 that is provided in Ubuntu by default, and this problem persists then as well. Tested also on 15.12.0 that is provided in Olivier's kdenlive-release PPA, same results.
Comment 3 Wegwerf 2016-07-10 15:50:23 UTC
Can confirm with recent git master (self-compiled) on Kubuntu 16.04.
Comment 4 farid 2016-07-28 14:53:26 UTC
just tested with today's build and it crashes. 

maybe a solution is to temporary disable all the unported effects to prevent the crash in case this can't be fixed in time for release.
Comment 5 Camille 2016-07-28 15:11:52 UTC
(In reply to farid from comment #4)
> just tested with today's build and it crashes. 

Considering JBM has not reported any progress here yet (see https://bugs.kde.org/show_bug.cgi?id=358223#c1 ), it is quite expected that the situation hasn't changed.

> maybe a solution is to temporary disable all the unported effects to prevent
> the crash in case this can't be fixed in time for release.

Sounds like a good idea
Comment 6 farid 2016-07-31 01:38:23 UTC
someone has shown interest in this issue on the mailing list so a solution might be near.
Comment 7 Wegwerf 2016-07-31 08:15:20 UTC
Noticed that too, so we will keep this report open. Hopefully, the person who stepped forward is able to make progress.
Comment 8 Wegwerf 2016-08-12 16:02:28 UTC
*** Bug 359808 has been marked as a duplicate of this bug. ***
Comment 9 Wegwerf 2016-08-12 16:02:58 UTC
*** Bug 359232 has been marked as a duplicate of this bug. ***
Comment 10 farid 2016-09-27 02:19:25 UTC
Commit has addressed this issue: 

https://quickgit.kde.org/?p=kdenlive.git&a=commit&h=71e11d7aa87b784a8e47c13b5211dcdcbc90930a

Please test and close the report if fixed.
Comment 11 Yusuf Ismail 2016-09-27 02:52:56 UTC
On Ubuntu 16.04, tested using the version in both the stable PPA and the testing PPA and both still crash immediately upon adding the rotoscoping effect.

stable: ppa:kdenlive/kdenlive-stable
testing: ppa:kdenlive/kdenlive-testing

Kdenlive is reporting version 16.08.1. System is fully up to date.

Is this commit in either of these PPAs? If it is, then the problem is not resolved yet.
Comment 12 Wegwerf 2016-09-27 05:37:19 UTC
It's in the development ppa, not testing, not stable.
Comment 13 sowieso 2016-09-27 08:03:27 UTC
Tested with self-compiled version from git (reporting as kdenlive 16.11.70) and experienced no crash at quick test. Thanks.
Comment 14 Yusuf Ismail 2016-09-27 09:51:32 UTC
Using the third PPA, ppa:kdenlive/kdenlive-master Kdenlive now reports version 16.11.70.

Tested adding the rotoscope effect on a 1080p 60fps clip, no crash. Rendered and the output works, the bug is indeed resolved.

Thanks for the fix Jean-Baptiste Mardelle!
Comment 15 Try Again 2016-09-27 20:44:58 UTC
Tested on git head, works in both preview and render modes.