[kdenlive] [Bug 452466] New: Preview window doen't play video longer than a frame or two

[Jim Henderson]

https://bugs.kde.org/show_bug.cgi?id=452466

            Bug ID: 452466
           Summary: Preview window doen't play video longer than a frame
                    or two
           Product: kdenlive
           Version: 21.12.3
          Platform: Other
                OS: macOS
            Status: REPORTED
          Severity: critical
          Priority: NOR
         Component: Video Display & Export
          Assignee: jb at kdenlive.org
          Reporter: jimh at sydney.dialix.com.au
  Target Milestone: ---

SUMMARY
***
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See
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***


STEPS TO REPRODUCE
1. Install the latest kdenlive 21.12.3 on macos 11 (Big Sur) on a MacBook Pro
with 64 Gigs of memory, large SSD drive
2. Start a project with a video clip.
3. Start to play the video in order to edit it.

OBSERVED RESULT
The Preview window doesn't play the video longer than just a few frames.

EXPECTED RESULT
I expected the video to play nicely in the Preview window as it does in the
Linux version.

SOFTWARE/OS VERSIONS
Windows: 
macOS: 11.6.4
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 5.92.0
Qt Version: 5.15.2

ADDITIONAL INFORMATION

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