Bug 502495

Summary: Clip gets blurry when two transform effects are nested
Product: [Applications] kdenlive Reporter: Chris <chrisverilz>
Component: Video Effects & TransitionsAssignee: Jean-Baptiste Mardelle <jb>
Status: RESOLVED WORKSFORME    
Severity: normal CC: berndmj
Priority: NOR Keywords: triaged
Version First Reported In: 24.12.3   
Target Milestone: ---   
Platform: Other   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Attachments: attachment-4150569-0.html

Description Chris 2025-04-06 19:00:30 UTC 
SUMMARY

When a Transform effect is added to the entire track, then a transform effect is added to the clip media, it creates a blur on the video track as if it is distorting it. This result also shows when the clip is exported. This occurs on both the latest flatpak and appimage version 24.12.2 and 24.12.3

I tested older versions and it is not occurring on version 24.08.03. 

STEPS TO REPRODUCE
1. Add a video clip to the timeline like a screen recording recorded with OBS 
2. Add a transform effect to the entire track that is on
3. Add a transform effect to the clip on the timeline. Examine if the visuals of the clip changes, it should become blurry.  

OBSERVED RESULT

The older version is not producing the issue so I will export on that version for the time being. 

SOFTWARE/OS VERSIONS

Linux/KDE Plasma: Fedora 40 not using KDE desktop, it is an xfce spinoff tiling window manager. 
 
KDE Plasma Version: Whatever ships with Flatpak
KDE Frameworks Version: Whatever ships with Flatpak
Qt Version: Whatever ships with Fedora 40
Comment 1 Bernd 2025-04-06 19:20:55 UTC 
Please try the appimage. Kdenlive on Fedora has known issues due to Fedora's handling of Flatpaks (they do their own packaging).

I just tested it with one of the latest builds and cannot see any blurring or distortion of any kind using your scenario.
Comment 2 Chris 2025-04-07 15:05:57 UTC 
Created attachment 180067 [details]
attachment-4150569-0.html

I’ve tried the appimage I could confirm that the issue does not occur on
version 24.12.0. It occurs for me on versions higher than that.

- Christian


On Sun, Apr 6, 2025 at 1:21 PM Bernd <bugzilla_noreply@kde.org> wrote:

> https://bugs.kde.org/show_bug.cgi?id=502495
>
> Bernd <berndmj@yahoo.com> changed:
>
>            What    |Removed                     |Added
>
> ----------------------------------------------------------------------------
>          Resolution|---                         |WAITINGFORINFO
>              Status|REPORTED                    |NEEDSINFO
>            Keywords|                            |triaged
>                  CC|                            |berndmj@yahoo.com
>
> --- Comment #1 from Bernd <berndmj@yahoo.com> ---
> Please try the appimage. Kdenlive on Fedora has known issues due to
> Fedora's
> handling of Flatpaks (they do their own packaging).
>
> I just tested it with one of the latest builds and cannot see any blurring
> or
> distortion of any kind using your scenario.
>
> --
> You are receiving this mail because:
> You reported the bug.
Comment 3 Bug Janitor Service 2025-04-22 03:47:30 UTC 
🐛🧹 ⚠️ This bug has been in NEEDSINFO status with no change for at least 15 days. Please provide the requested information, then set the bug status to REPORTED. If there is no change for at least 30 days, it will be automatically closed as RESOLVED WORKSFORME.

For more information about our bug triaging procedures, please read https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging.

Thank you for helping us make KDE software even better for everyone!
Comment 4 Bug Janitor Service 2025-05-07 03:47:10 UTC 
🐛🧹 This bug has been in NEEDSINFO status with no change for at least 30 days. Closing as RESOLVED WORKSFORME.