Video and Video Thumbnails in App Image

[Gilles Caulier]

You must be patient. Q5Multimedia support is currently dropped to 70%. We
will replace by QtAV framework based on ffmpeg.

http://www.qtav.org/

QtAV/ffmpeg is portable everywhere : Linux, MacOS, and Windows. this will
be universal in opposite of Qt5ultmedia wich use GStreamer under Linux, and
dedicated OS codecs under MacOS and Windows.

The good news is to have also video preview everywhere de facto, instead
only under Linux.

Another good news : Video are now supported with Slideshow tool.

*https://www.flickr.com/photos/digikam/31454268411/in/dateposted-public/
<https://www.flickr.com/photos/digikam/31454268411/in/dateposted-public/>*

We plan a full support of QtAV with 5.4.0 release.

Note: With 5.4.0 bundle, video metadata will be fully available using
current pre-release of Exiv2 0.26 not yet released and which include more
than 200 bugfixes.

Gilles Caulier



2016-12-12 0:48 GMT+01:00 Philip Johnsson <philip.johnsson at gmail.com>:

> As far as I know the appimage bundle is built without qtmultimedia support
> and that would mean that you can't play or show video files in those builds
> of Digikam 5. Not sure about preview thumbnails of them though.
>
> /Philip
>
> On Mon, Dec 12, 2016 at 12:14 AM, <kshaav at gmail.com> wrote:
>
>> I am on Linux Mint 18 using the app image of digiKam 5.3.
>>
>> 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.
>>
>> 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 *type X.*  However, if I open the video from the file
>> manager, it opens xplayer and plays fine.
>>
>> 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?
>>
>> 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?
>>
>> Any thoughts?
>>
>> Cheers,
>>
>> Sean
>>
>> ===========
>>
>> When trying to open xplayer from digiKam, it throws this:
>>
>> ** (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.
>>
>> (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
>>
>> (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
>>
>> (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
>> ** 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)
>> /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.
>>   from gi.repository import Gst
>>
>> ** (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.
>> /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.
>>
>
>
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