[digikam] [Bug 374725] New: Thumbnail is incorrect for one MOV file, shows an unrelated jpg

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=374725

            Bug ID: 374725
           Summary: Thumbnail is incorrect for one MOV file, shows an
                    unrelated jpg
           Product: digikam
           Version: 5.4.0
          Platform: Mac OS X Disk Images
                OS: OS X
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: Thumbnails
          Assignee: [hidden email]
          Reporter: [hidden email]
  Target Milestone: ---

I am trying 5.4.0 beta (12/31/02016) on Mac OSX El Capitan.  I found an example
where the thumbnail is incorrect for a movie file.  The thumbnail shows a photo
that that is unrelated (a few away on the grid and taken on a different day).
If I click on the thumbnail it shows the movie file correctly.  All the other
information such as date and file properties appears to correctly represent the
movie file.  The only thing I see that is incorrect is the thumbnail.
Both are from an iphone6S.  The movie is a MOV in slo-mode and the photo is a
JPG. I have tried other images with the same format and so far only discovered
this one.  

I tried: Item > Reread metadata, which did not help
I moved the file to a new directory which did not help, but noticed that by
doing so the Video Properties were now available, but were not before.

So..
-Is there a way to re-set the thumbnail for a video file? Even a blank
thumbnail would be preferred.
-Reread metadata should do that for video files (not sure it is because the
Video Properties in the Properties Pane did not show up at first.)

Thanks.

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[Simon Frei]

You can rebuild thumbnails for all elements in an album via Tools ->
Maintenance... -> Rebuild Thumbnails. In the maintenance dialogue choose
only the album where this video is. AFAIK rereading metadata has nothing
to do with thumbnails.

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=374725

--- Comment #1 from Simon <[hidden email]> ---
You can rebuild thumbnails for all elements in an album via Tools ->
Maintenance... -> Rebuild Thumbnails. In the maintenance dialogue choose
only the album where this video is. AFAIK rereading metadata has nothing
to do with thumbnails.

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https://bugs.kde.org/show_bug.cgi?id=374725

--- Comment #2 from Geoff King <[hidden email]> ---
Thanks. This solved my problem.  I did the Maintenance options and checked Scan
for New Items and Rebuild Thumbnails.  
However,  during the maintenance digikam locked up (I waited several minutes)
and I eventually killed it using Mac's Force Quit.

Upon re-starting digikam the thumbnails started re-populating and were correct.
 It all seems okay now.

So my problem is fixed, but I did encounter another potential issue with the
maintenance locking up the program and requiring a restart of digikam.

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https://bugs.kde.org/show_bug.cgi?id=374725

Simon <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID
                 CC|                            |[hidden email]

--- Comment #3 from Simon <[hidden email]> ---
If you can reproduce the hang, please open a new issue, start digikam from
console (https://www.digikam.org/contrib) and add the console output to the
issue.

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https://bugs.kde.org/show_bug.cgi?id=374725

[hidden email] changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|Thumbs-Image                |Thumbs-Video
                 CC|                            |[hidden email]

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