[Digikam-devel] [digikam] [Bug 349924] Videos (mp4, mov, avi) do not play under OS X Yosemite when using Digikam.

[Jens B. Benecke via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=349924

--- Comment #27 from Jens B. Benecke <jens-bugs.kde.org at spamfreemail.de> ---
Caulier, sorry to reply so late. 

The link above redirects to Perian, which is a software that extended Quicktime
7 to work with other codecs. But Quicktime 7 has long ago been retired and
QuickTime X (used in macOS >= 10.8 I think) is no longer extensible like that.
So the link doesn't really help, sorry. If Digikam5 relies on Qt5-Multimedia
and Qt5/Mac relies on Quicktime, Digikam might never be able to show or play
other codecs like AVI files ...

I just tested it anyway: Viewing mp4 and MJPEG-AVI files (from a digital
camera) works fine on my OS X 10.11.5 machine (no thumbnails are created
though, just as the README said). Great work, thank you! For the thumbnails I
get this error on the console:

digikam.metaengine: Cannot load metadata from file   (Error # 11 : 
/Users/Jens/Pictures/20141106_172159.mp4: The file contains data of an unknown
image type
digikam.general: Trying to load Embedded preview with libraw
digikam.rawengine: Failed to load embedded RAW preview
digikam.general: Trying to load half preview with libraw
digikam.general: Trying to load Embedded preview with Exiv2
digikam.metaengine: Cannot load metadata using Exiv2   (Error # 11 : 
/Users/Jens/Pictures/20141106_172159.mp4: The file contains data of an unknown
image type
digikam.dimg: "/Users/Jens/Pictures/20141106_172159.mp4"  : QIMAGE file
identified
digikam.dimg.qimage: Can not load " "/Users/Jens/Pictures/20141106_172159.mp4"
" using DImg::QImageLoader!
digikam.general: mimetype =  ""  ext =  "MP4"
digikam.general: Cannot create thumbnail for 
"/Users/Jens/Pictures/20141106_172159.mp4"
digikam.general: Thumbnail is null for 
"/Users/Jens/Pictures/20141106_172159.mp4"
digikam.general: Request to get thumbnail for 
"/Users/Jens/Pictures/20141106_172159.mp4"
digikam.general: Video monitoring is not available.
digikam.general: Failed to extract video thumbnail for 
"/Users/Jens/Pictures/20141106_172159.mp4"

Also, the above digikam package crashed on quit on my machine. I'll try again
and open another bug report for the crash if it is repeatable.

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