Bug 509998 - The hue slider of "Color Overlay" effect doesn't change the hue
Summary: The hue slider of "Color Overlay" effect doesn't change the hue
Status: ASSIGNED
Alias: None
Product: kdenlive
Classification: Applications
Component: Video Effects & Transitions (other bugs)
Version First Reported In: 25.08.1
Platform: Flatpak Linux
: NOR normal
Target Milestone: ---
Assignee: Bernd
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2025-09-27 12:14 UTC by Vlad
Modified: 2026-01-27 18:33 UTC (History)
2 users (show)

See Also:
Latest Commit: c381d8503497e9201a0295a79068855a7ec71400
Version Fixed/Implemented In:
Sentry Crash Report:

Attachments
Video of the problem (131.72 KB, video/mp4)
2025-09-27 12:14 UTC, Vlad 		Details
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Description Vlad 2025-09-27 12:14:26 UTC 
Created attachment 185318 [details]
Video of the problem

The hue slider of "Color Overlay" effect doesn't change the hue


STEPS TO REPRODUCE
1. Create a black color clip.
2. Apply "Color overlay" on it.
3. Move the hue slider.

OBSERVED RESULT
Nothing changed

EXPECTED RESULT
The hue of the overlay is changed

SOFTWARE/OS VERSIONS
Linux: Archlinux (6.16.5)
kdenlive: 25.08.0
and
Flatpak: 1.16.1
kdenlive: 25.08.1

I checked on an old version (23.08.5) and it works there.
Comment 1 luzpaz 2026-01-24 22:12:30 UTC 
(In reply to Vlad from comment #0)
> Created attachment 185318 [details]
> Video of the problem
> 
> The hue slider of "Color Overlay" effect doesn't change the hue
> 
> 
> STEPS TO REPRODUCE
> 1. Create a black color clip.
> 2. Apply "Color overlay" on it.
> 3. Move the hue slider.
> 
> OBSERVED RESULT
> Nothing changed

Can you still reproduce on 25.12.1 ?
Comment 2 Bernd 2026-01-27 18:26:42 UTC 
Thanks for reporting. I can confirm the problem.

Parameter setting in avfilter.colorize is wrong. Will be fixed in 25.12.2 or 26.04