https://bugs.kde.org/show_bug.cgi?id=473803
Bug ID: 473803
Summary: Issue with "Rotate (keyframable)" Effect in Kdenlive
23.04.3 Producing Incorrect Background Color in the
final Render
Classification: Applications
Product: kdenlive
Version: 23.04.3
Platform: Mint (Ubuntu based)
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: Effects & Transitions
Assignee: j...@kdenlive.org
Reporter: shiba....@hotmail.com
Target Milestone: ---
SUMMARY
The "Rotate (keyframable)" effect in Kdenlive version 23.04.3 appears to be
malfunctioning. When applying this effect, adding some keyframe and specifying
a user-defined background color, the rendered output displays a black
background instead of the intended color. Interestingly, during the preview
within the software, everything appears as expected with the correct background
color; the issue only becomes apparent in the final rendered output.
STEPS TO REPRODUCE:
1. Open Kdenlive version 23.04.3.
2. Import a media and place it on the timeline.
3. Apply the "Rotate (keyframable)" effect to the media clip.
4. Set a custom background color for the effect, and animate it with a few
keyframes.
5. Preview the timeline to observe the effect with the chosen background color
(note that it appears correctly in the preview.
6. Render the project to a desired output format.
7. Check the rendered output for the presence of the issue - the background
color is rendered as black instead of the user-specified color.
OBSERVED BEHAVIOR:
The effect behaves correctly during preview, showing the correct background
color. However, in the final rendered output, the background color is replaced
with black, rendering the intended background color inaccurately.
EXPECTED BEHAVIOR:
The "Rotate (keyframable)" effect should accurately follow the user-defined
background color during both preview and final rendering, consistently
maintaining the chosen color throughout the rendering process.
SOFTWARE/OS VERSIONS
Linux OS: Linux Mint 21.2 Cinnamon
Kdenlive is Installed via official stable PPA
(available in About System)
KDE Frameworks Version: 5.92.0
Qt Version: 5.15.3
MLT Version: 7.16.0
ADDITIONAL INFORMATION
Graphics Card: Intel Corporation CoffeeLake-S GT2 [UHD Graphics 630] (prog-if
00 [VGA controller])
Project Settings: [1920x1080, 25fps]
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