https://bugs.kde.org/show_bug.cgi?id=454089
Bug ID: 454089
Summary: clips using Time Remap render in low quality
Product: kdenlive
Version: 22.04.0
Platform: Microsoft Windows
OS: Microsoft Windows
Status: REPORTED
Severity: major
Priority: NOR
Component: Effects & Transitions
Assignee: vpi...@kde.org
Reporter: dar...@mcgrathtoronto.com
Target Milestone: ---
SUMMARY
Using Time Remap to speed up a portion of clips in a project results in the
entire clip using Time Remap rendering in low quality (appears blurry). Clips
in the project without Time Remap (including those sped up with Change Speed)
render in high quality (4K)
STEPS TO REPRODUCE
1. Add clips to project.
2. Enable Time Remap on a clip with a portion set to increase speed
3. Render project in high quality (4K) MP4-H265 or MP4-H264/AAC
OBSERVED RESULT
Entire Time Remapped clips within the rendered video are blurry. This includes
the portions of the clip sped up and portions left at speed=100%. Non Time
Remapped clips are rendered in 4K quality.
EXPECTED RESULT
All rendered clips should be 4K
SOFTWARE/OS VERSIONS
Windows: 11
macOS:
Linux/KDE Plasma:
(available in About System)
KDE Plasma Version:
KDE Frameworks Version:
Qt Version:
ADDITIONAL INFORMATION
In Time Remap: Pitch Compensation on. Preserve Speed of next keyframes on.
Frame blending off. Changing these settings results in the same behaviour.
Rendering using 100% quality. Occurs with both Full Project and Selected Zone
render. Project set to 4K UHD 2160p 60fps. Clips are all 4K.
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