[Libreoffice-bugs] [Bug 142062] New: LibreOffice Impress 7.0.5.2 does not play videos, UI unless you open the slide with the video first in the Normal View

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=142062

            Bug ID: 142062
           Summary: LibreOffice Impress 7.0.5.2 does not play videos, UI
                    unless you open the slide with the video first in the
                    Normal View
           Product: LibreOffice
           Version: 7.0.5.2 release
          Hardware: All
                OS: Windows (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Impress
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: christian.kleijn at controllab.nl

Description:
LibreOffice Impress 7.0.5.2 does not play video, not in Media Playback and not
in slide show.
Tested with Windows 10 PC and Windows 10 laptop (same result)
I use VLC media player. Also installed K-Lite
Tested with .wmv .m4v .mp4 .webm test videos and all play well when selected
from File Explorer but not in Impress
I tried running in safe mode and resetting to factory settings. Does not help.
The only trick that works is to open 

Steps to Reproduce:
1.Make presentation with first slide (some title) and second slide with video 
2. Media Playback does not play (video stays frozen)
3. Store presentation and reopen
4. Click F5 and go to page with movie (video stays frozen)
5. Click Esc to stop presentation and (in  Normal View) go to slide with video
6. Click F5 and go to page with movie (now the video will play)

Actual Results:
video stays frozen after opening first time, will only play if you open the
page with video in Normal View

Expected Results:
video starts playing first time


Reproducible: Always


User Profile Reset: Yes


OpenGL enabled: Yes

Additional Info:
The video play function has started deteriorating from Libre Office version 6.
I was always able to play .wmv files without problems but even this has started
to become troubling. When a video is played on my second screen, a mouse click
may make the presentation go to the next slide or halt (and make impress
crash). This makes Impress 7 too buggy to use for important presentations. I
did use Impress 5 without problems like that and am considering to go back to
that version.

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