[Libreoffice-bugs] [Bug 118091] New: Videos in Impress only show as static image and are not played during presentation

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=118091

            Bug ID: 118091
           Summary: Videos in Impress only show as static image and are
                    not played during presentation
           Product: LibreOffice
           Version: 6.0.4.2 release
          Hardware: All
                OS: Windows (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Impress
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: herbert-thomson at freenet.de

Description:
Although I not use LibreOffice any more I decided to decouple an issue I had
with Impress and videos. Maybe people who are not so lucky than I and can't
afford hundreds of $$$ for M$ license fees or people who have to use
LibreOffice because of a company / school requirement will be thankful for
this. 
I am normally a huge fan of Open Source projects trying to beat greedy
companies, however, it makes me sad to see when priorities shift from
implementing basic, essential features correctly (or delaying implementation
for 5+ years) in favor of fancy new stuff that no one really needs. Firefox has
taken this path for example. I hope that you guys will be smarter...



Steps to Reproduce:
1. Open LibreOffice Impress, make new presentation
2. Import any MP4 / H.264 video (I tried a lot of different videos from
different sources encoded by different encoders. Probably other formats are
also affected but the most common one is MP4 / H.264 nowadays; I didn't have
other formats at hand)

Actual Results:  
If you start presentation from beginning:
Video is not played back during presentation, only static image (thumbnail) is
shown, however, sound works. So I hear sound together with a static image.

If you start presentation at the slide where the video is:
Only the video is shown, but the rest of this slide is somehow transparent /
not shown. But the video plays correctly then.

Expected Results:
Video plays correctly and presentation is not transparent.


Reproducible: Always


User Profile Reset: Yes



Additional Info:
- Windows 10 x64 1803
- K-Lite Codec Pack 14.2.0 (with either DXVA 2.0, D3D11VA or software
rendering; I tried all of them)
- Nvidia Geforce 100 series GPU
- Nvdiai Geforece 397.64 driver

Is there anything else of importance?

Side note: I'd recommend to not rely on operating system rendering, because
this is the main cause for trouble for most of the issues you have had (and
still have) with video rendering. Instead, I'd recommend ffmpeg with is a "jack
of all trades device". It supports all formats; you just have to plug it into
your software and things will be a lot smoother then.


User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:60.0) Gecko/20100101
Firefox/60.0

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