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<p>I am on Linux Mint 18 using the app image of digiKam 5.3.<br>
</p>
<p>Thumbnails for videos don't show up (actually doesn't show the
default icon that I've seen mentioned elsewhere either --- just
nothing) and video won't play.<br>
</p>
<p>I realize that this has come up a couple times already and I have
seen those threads; I think this may be an app image specific
issue though. If I right-click on a video and select "open", it
correctly opens up my default video player "xplayer" but it won't
play there either (I included some errors below). It complains
about needing to install plugins to be able to play videos of <i>type
X.</i> However, if I open the video from the file manager, it
opens xplayer and plays fine.</p>
<p>Errors (below) indicate that gstreamer is failing and since
digiKam uses gstreamer too, it seems to me that that may be why
internally things are not working either?</p>
<p>I tried to change the application that digiKam uses to open the
video files to vlc but that completely failed; vlc wouldn't even
open let alone play the video. I don't know much about app images,
but I assume there's some sort of sandboxing going on and maybe
digiKam is being prevented from interacting from the rest of the
system normally?<br>
</p>
<p>Any thoughts?<br>
</p>
<p>Cheers,</p>
<p>Sean<br>
</p>
<p>===========<br>
</p>
<p>When trying to open xplayer from digiKam, it throws this:</p>
<p>** (xplayer:13713): WARNING **: Couldn't register with
accessibility bus: Did not receive a reply. Possible causes
include: the remote application did not send a reply, the message
bus security policy blocked the reply, the reply timeout expired,
or the network connection was broken.<br>
<br>
(xplayer:13713): GStreamer-WARNING **: Failed to load plugin
'/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstlibav.so':
/usr/lib/x86_64-linux-gnu/libass.so.5: undefined symbol:
FT_Outline_EmboldenXY<br>
<br>
(xplayer:13713): GStreamer-WARNING **: Failed to load plugin
'/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstlibav.so':
/usr/lib/x86_64-linux-gnu/libass.so.5: undefined symbol:
FT_Outline_EmboldenXY<br>
<br>
(xplayer:13713): GStreamer-WARNING **: Failed to load plugin
'/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstlibav.so':
/usr/lib/x86_64-linux-gnu/libass.so.5: undefined symbol:
FT_Outline_EmboldenXY<br>
** Message: Missing plugin: gstreamer|1.0|xplayer|H.264
(Constrained Baseline Profile) decoder|decoder-video/x-h264,
stream-format=(string)avc, alignment=(string)au,
level=(string)4.1, profile=(string)constrained-baseline,
max-input-size=(int)222476, parsed=(boolean)true (H.264
(Constrained Baseline Profile) decoder)<br>
/usr/lib/python3/dist-packages/sessioninstaller/core.py:47:
PyGIWarning: Gst was imported without specifying a version first.
Use gi.require_version('Gst', '1.0') before import to ensure that
the right version gets loaded.<br>
from gi.repository import Gst<br>
<br>
** (gstreamer-codec-install:13740): WARNING **: Couldn't register
with accessibility bus: Did not receive a reply. Possible causes
include: the remote application did not send a reply, the message
bus security policy blocked the reply, the reply timeout expired,
or the network connection was broken.<br>
/usr/lib/python3/dist-packages/sessioninstaller/core.py:48:
PyGIWarning: Gtk was imported without specifying a version first.
Use gi.require_version('Gtk', '3.0') before import to ensure that
the right version gets loaded.<br>
</p>
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