https://bugs.kde.org/show_bug.cgi?id=471177
Bug ID: 471177
Summary: Position and Zoom effect causes unwanted blue blur on
render and other tracks
Classification: Applications
Product: kdenlive
Version: 23.04.2
Platform: Microsoft Windows
OS: Microsoft Windows
Status: REPORTED
Severity: major
Priority: NOR
Component: Effects & Transitions
Assignee: j...@kdenlive.org
Reporter: todo.ciencia.y.electron...@gmail.com
Target Milestone: ---
Created attachment 159756
--> https://bugs.kde.org/attachment.cgi?id=159756&action=edit
Screenshot Blue Bug Effect
SUMMARY
***
As the title suggests, the Position and Zoom effect generates unwanted blue
blur on other tracks. This particularly tends to occur on the trailing end of
video tracks and short videos, in projects where split screen videos are
intended. The effect "smears" the screen with a blue tint over all space not
covered by the effect track that cannot be removed unless the effect is turned
off completely.
-The installation of Kdenlive is clean (in an also clean installation of
Windows 11).
Checking on the subreddit, other users are experiencing the same unwanted
effect and suggest that it may be a problem with 23.X releases in general as it
doesn't happen or they have muddled by going back to 22.x releases.
The users of the subreddit suggest trying "Transform" instead of Position and
zoom... This "First Aid" the problem (At least for what we want to do which is
to create simple split screens)
***
STEPS TO REPRODUCE
1. use kdenlive version 23.04.2 create a 1080p project (Preferably portrait,
but seems to happen the same regardless of orientation)
2. Add two video tracks in the same way as creating a split screen
-Add the Position and Zoom effect to both tracks to enhance the arrangement
3. Make some cuts with the cutting tool to adjust the duration (making cuts
from start to end)
-Around the end of one of the tracks The effect will start generating the Blue
Filter bug, This "stain cannot be removed" unless you disable the effect
completely.
OBSERVED RESULT
-Around the end of one of the tracks The effect will begin to generate an
unwanted blue Filter that will cover the entire playback area not covered by
the track containing the effect, this is impossible to remove unless you
disable the effect completely. It also affects the Rendering process, leaving
the project unusable.
-Saving the project and reopening it, as well as removing and placing it again
does not solve the problem.
-try Placing the same file on the timeline (as if it were a separate file) by
cropping the already present part and applying the effect It also doesn't
prevent the problem and the problem persists.
-It is not a problem for previous versions
--# Substituting "Transform" instead of Position and Zoom fixes the issue
temporarily#--
EXPECTED RESULT
Position and zoom should not generate this blue filter.
SOFTWARE/OS VERSIONS
Windows: 11
Edition Windows 11 Pro
Version 22H2
Installed on 2023-02-04
OS build 22621.1848
Experience Windows Feature Experience Pack 1000.22642.1000.0
Processor AMD Ryzen 5 3500U with Radeon Vega Mobile Gfx 2.10 GHz
Installed RAM 16.0 GB (13.9 GB usable)
System type 64-bit operating system, x64-based processor
Pen and touch Pen support
KDE Framework Version 5.107.0
Qt: Version 5.15.9 (built against 5.15.9)
MLT: Version 7.17.0
ADDITIONAL INFORMATION
Same issue Subreddit
https://www.reddit.com/r/kdenlive/comments/139lx7y/issue_with_position_and_zoom/
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