https://bugs.kde.org/show_bug.cgi?id=519929
Bug ID: 519929
Summary: Preview Rendering Error
Classification: Applications
Product: kdenlive
Version First 26.04.0
Reported In:
Platform: Other
OS: Microsoft Windows
Status: REPORTED
Severity: major
Priority: NOR
Component: Rendering & Export
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 192137
--> https://bugs.kde.org/attachment.cgi?id=192137&action=edit
This error was shown when there's nothing in the Timeline, it produces more
"unable to create/render" errors when I apply more effects and stuff.
DESCRIPTION
Hello, I always get this Preview Rendering Error "Preview rendering failed,
check your parameters." error no matter what I try. I've tried these steps:
Reinstalling:
- Kdenlive Installer (New&Old Stable Versions),
- Kdenlive Standalone Installer,
- MV C++ Redistributable 2015-2025.
Running Dependencies Debugger,
Checking major files for MLT to run as expected,
Disabling other services with FFmpeg, renaming their major files,
Restarting my computer,
Creating a new project.
STEPS TO REPRODUCE
1. Just trying to use Preview Render
OBSERVED RESULT
Preview Rendering Error: "Preview rendering failed, check your parameters."
(Logs in Attachments)
EXPECTED RESULT
Preview Render working as expected, with no errors.
SOFTWARE/OS VERSIONS
Kdenlive: 26.04.0
Kdenlive: 26.04.0 - rev. ec2664d
MLT: 7.37.0
FFmpeg
KDE Frameworks: 6.24.0
Qt: Using 6.10.2 and built against 6.10.2
Windows 11 Version 25H2
Build ABI: x86_64-little_endian-llp64
Kernel: winnt 10.0.26200
ADDITIONAL INFORMATION
Normal Rendering works, it's just the Preview Rendering that is causing issues.
(Error Logs in Attachments)
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