https://bugs.documentfoundation.org/show_bug.cgi?id=158365
Bug ID: 158365
Summary: Unremovable thin black line around embedded videos
Product: LibreOffice
Version: 7.6.2.1 release
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: UNCONFIRMED
Severity: trivial
Priority: medium
Component: Impress
Assignee: [email protected]
Reporter: [email protected]
Description:
Embedded videos have a thin black line around them that I am unable to remove.
Setting the line to "None" has no effect. I tried changing all of the boundary
colors to white in Tools > LibreOffice > Application Colors, but this had no
effect.
When using a black video with a slide that has a black background the line is
no longer perceptible, so it appears to be a black line that is ~1 pixel wide.
While a cosmetic issue, it affects the presentation quality of all
presentations that include high quality videos with light backgrounds that are
meant to blend into the background.
Steps to Reproduce:
1.Produce an MP4 video with a white background, say with Manim (example
provided in "Other Information")
2.Insert into a presentation with white background
3.Go to Tools > LibreOffice > Application Colors and change all boundary colors
to white and apply
4.Start presentation
Actual Results:
Video plays with a thin white boundary line
Expected Results:
Video plays with no boundary line
Reproducible: Always
User Profile Reset: No
Additional Info:
``` python
# python class to produce an example Manim video w/ a white background
# throw this into a file 'scene.py'
# then run `manim -qh scene.py AnimatedSquareToCircle`
# file is saved to './media/videos/scene/1080p60/AnimatedSquareToCircle.mp4'
class AnimatedSquareToCircle(Scene):
def construct(self):
self.camera.background_color = WHITE
circle = Circle() # create a circle
square = Square() # create a square
self.play(Create(square)) # show the square on screen
self.play(square.animate.rotate(PI / 4)) # rotate the square
self.play(
ReplacementTransform(square, circle)
) # transform the square into a circle
self.play(
circle.animate.set_fill(PINK, opacity=0.5)
) # color the circle on screen
```
Help - About LibreOffice
Version: 7.6.2.1 (X86_64) / LibreOffice Community
Build ID: 56f7684011345957bbf33a7ee678afaf4d2ba333
CPU threads: 12; OS: Linux 6.5; UI render: default; VCL: gtk3
Locale: en-US (en_US.UTF-8); UI: en-US
Flatpak
Calc: threaded
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