[Libreoffice-bugs] [Bug 122181] New: Impress Slide show: video always full screen on Ubuntu 18

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=122181

            Bug ID: 122181
           Summary: Impress Slide show: video always full screen on Ubuntu
                    18
           Product: LibreOffice
           Version: 6.0.7.3 release
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Impress
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: anastasius_zwerg at hotmail.com

Description:
In Slide Show mode, every video is full screen and no way to change this. Same
files work correctly with LO 5.1.6.2 under Ubuntu 16.

Steps to Reproduce:
1. Create new presentation
2. Insert Audio/Video, select a video file
3. Go to presentation mode

Actual Results:
Video is scaled to full screen (which can badly change the aspect ratio, e.g. I
have square videos that become stretched to 16:9). The slide (aprt from the
video) is invisible. Right-clicking gives a menu, but there is not menu item to
leave full screen mode, just the usual menu for navigating to other slides.
There is also no option to avoid full-screen mode in the Media Playback (right
sidebar). With Slide Show>Slide show settings, I can have the slide in a
window, but the video still covers all of the slide (and flickers badly).

Expected Results:
Video should be shown in its box in the slide, as it was with LibreOffice 5
(using the same .odp and videos). A separate option to have it full screen
would be nice, but this should not be the default behavior.


Reproducible: Always


User Profile Reset: Yes



Additional Info:
Unbuntu 18.04.1 LTS, Core i7-8550U, using Intel graphics in the CPU.
Linux 4.15.0-42-generic #45-Ubuntu x86_64 GNU/Linux.
LibreOffice Version: 6.0.7.3
Build ID: 1:6.0.7-0ubuntu0.18.04.2
CPU threads: 8; OS: Linux 4.15; UI render: default; VCL: gtk3; 
Locale: en-US (en_US.UTF-8); Calc: group

Same problem with "Hardware acceleration" disabled in
Tools>Options>Libreoffice>View
Same problem in "Safe mode" (I even created a new presentation there).

The problem seems to be independent of the video codec (H.264, cinepak) and
container format (avi, mov). 

I had to install the following to make LO show videos at all (Firefox could
show videos also without this).
  apt-get install gstreamer1.0-plugins-ugly gstreamer1.0-libav

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