[Libreoffice-bugs] [Bug 113556] New: White flash during transitions

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=113556

            Bug ID: 113556
           Summary: White flash during transitions
           Product: LibreOffice
           Version: 5.3.6.1 release
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Impress
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: mark.kid3 at gmail.com

Description:
Hi,

I recently moved to Ubuntu and I'm using .pptx files and I realise that each
transition has a rapid white flash in between and it's a bit laggy too (the
transition feels sluggish), in general,  transition starts then mid way you get
a white flash. Please see video below


https://drive.google.com/file/d/0B8_lWwR3sTGoX3VKdC1qeVA3SWc/view

Versions of LO impress that have the issue 5.1.6.2 and I updated to 5.4.2.2 and
the issue remains.

Also I'm not using OpenGL and all options in Tools -> View -> Graphic Output I
have disabled  ( by default though hardware acceleration and anti-aliasing were
checked).

Steps to Reproduce:
1.Open a .pptx file with transitions
2. Start slideshow
3. Click/press a button to induce a slide transition.

Actual Results:  
White flash across screen

Expected Results:
No white flash across screen.


Reproducible: Always


User Profile Reset: No



Additional Info:
Version: 5.3.6.1
Build ID: 686f202eff87ef707079aeb7f485847613344eb7
CPU Threads: 4; OS Version: Linux 4.10; UI Render: default; VCL: gtk2; Layout
Engine: new; 
Locale: en-GB (en_GB.UTF-8); Calc: group


User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like
Gecko) Chrome/62.0.3202.75 Safari/537.36

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