[Libreoffice-bugs] [Bug 131310] videos inserted in Impress slides don't render in slide show in GDI in some Windows (OK in OpenGL or Skia)

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=131310

Timur <gtimur at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
                 CC|                            |ilmari.lauhakangas at libreoff
                   |                            |ice.org
            Summary|videos inserted in Impress  |videos inserted in Impress
                   |slides don't render in      |slides don't render in
                   |slide show                  |slide show in GDI in some
                   |                            |Windows (OK in OpenGL or
                   |                            |Skia)
     Ever confirmed|0                           |1

--- Comment #7 from Timur <gtimur at gmail.com> ---
(In reply to Gerhard Weydt from comment #5)
> I think Colin's report describes how to reproduce the problem, but to avoid
> delay I will add a test presentation Test_avi_does_not_play.odp.
Thanks. Those who test many bugs need clear steps, no time to start from
scratch.
More, I tried with avi but it worked, so I wasn't sure if it's about my
computer or sample. So, sample is always needed. 

> I use Separate Install GUI for a parallel installation, and
> there the daily builds seem not to be provided.
They are there, daily master like "master x86_64 (TB77-TDF)". I also use it in
Windows that way. Mine SI-GUI is 5.0.0.9.

> The results are principally as described, but Timur's guess (?) regarding
> OpenGL resp. Skia is right:
> 6.2.3.2: the video plays with and without OpenGL
> 6.4.5.2: the video plays with OpenGL activated, without it only the sound is
> playing, the rectangle for the video remains black.
> 7.0.2.2: same behaviour a 6.4.5.2, if Skia is activated or not instead of
> OpenGL.
Useful, thanks.

Wrap-up:
Colin didn't write if OpenGL or not/GDI, please test, also test master that
installs separately to your working LO, if not using SI-GUI then from
https://dev-builds.libreoffice.org/daily/master/current.html.

Gerhard explained well, meaning that on some systems/video cards current LO
doesn't play with GDI (plays with OpenGL or Skia). Please test master to be
sure.

Timur has no issue with LO 7.0 and master 7.1+ in Windows, video plays with
Skia and without (that's GDI). Also no issue in Linux, bug is Windows so far.

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