[okular] [Bug 404106] New: Unable to render video properly in pdf files created by pdftex

[Jay Schieber]

https://bugs.kde.org/show_bug.cgi?id=404106

            Bug ID: 404106
           Summary: Unable to render video properly in pdf files created
                    by pdftex
           Product: okular
           Version: 1.3.3
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: PDF backend
          Assignee: okular-devel at kde.org
          Reporter: jay.schieber at gmail.com
  Target Milestone: ---

Created attachment 117932
  --> https://bugs.kde.org/attachment.cgi?id=117932&action=edit
Zipped file containing minimal minimal.pdf, *.m4v and minimal.tex files
illustrating the problem

I have tried two versions of okular.  Version 1.3.3 from the repository for
Ubuntu 18.04, and the most recent version that is a snap package (not sure what
that is, because they seem to use different version numbers).

I have two movies, both created by Mathematica, and both *.m4v files. I used
the multimedia package in LaTeX to embed the videos in the pdf files.  For
several years this worked fine. But not anymore.  In the 1.3.3 version, the
movies simply do not run.  In the snap package, okular crashes when they try to
run. That is the behavior on my desktop.  On my laptop, there is a little bit
more success in that the attached minimal file runs fine, but if I add a second
slide, with another video embedded, the second video does not work. 

My desktop and my laptop, which show different symptoms, have the same OS
versions:

KDE Plasma Version: 5.12.17
KDE Frameworks Version: 5.44.0
Qt Version: 5.9.5

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