[Libreoffice-bugs] [Bug 140294] New: Playback disruptions that depend on the type of animation effect (except for basic effects) Playback is skipped, does not return, does not play and is not rendered, etc.

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=140294

            Bug ID: 140294
           Summary: Playback disruptions that depend on the type of
                    animation effect (except for basic effects) Playback
                    is skipped, does not return, does not play and is not
                    rendered, etc.
           Product: LibreOffice
           Version: 7.1.0.3 release
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Impress
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: hy531067 at gmail.com

Description:
We will give animation effects to some objects and play them back in order.
However, depending on the type of effect, the playback will be disrupted. The
problem is as follows
1. The playback cannot be backed up.
2. Several plays are executed at once.
3. Playback seems to be going on in the background after the problem occurs,
the key (RightArrow) is responding, and the slideshow ends when it reaches the
last playback. However, depending on the behavior before and after, nothing may
be playing.
The above is not a guarantee that these things will happen. It depends on the
case. The source of the problem has been confirmed, but the regularity of the
result of the problem has not yet been found.



Steps to Reproduce:
1. give the animation effect of multiple objects. 2.
2. giving one of them an appearance animation effect, such as Zoom.
3. the divergence point is to give Moderate's Zoom etc. except Basic_Effect.
4. Play the object given it.
5. after playing the object that has that particular effect, the problem
happens.
Other confirmation tasks
1. happened in ver7.1 and above.
2. it happened when I played a file that was created with ver6.1.
3. when I opened a file created in ver7.1 with ver6.1, it didn't work as if the
bug had infected it.


Actual Results:
1. The playback cannot be backed up.
2. Several plays are executed at once.
3. Playback seems to be going on in the background after the problem occurs,
the key (RightArrow) is responding, and the slideshow ends when it reaches the
last playback. However, depending on the behavior before and after, nothing may
be playing.
The above is not a guarantee that these things will happen. It depends on the
case. The source of the problem has been confirmed, but the regularity of the
result of the problem has not yet been found.

Expected Results:
If you select an animation effect type other than basic, it should still play
correctly. The order should not be skipped several times as you move forward.
A situation where it is always possible to go forward or backward is
preferable.


Reproducible: Always


User Profile Reset: Yes


OpenGL enabled: Yes

Additional Info:
In addition to this, the apparent disruption or deformation of shapes occurs
when the file is opened. Or, the shapes are deformed when you perform
operations such as grouping, or save and reopen the file. When I run a slide
show, there is no problem.
It happens in the editing screen. We are currently challenging the status and
reproducibility of the problem.

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