Digikam not installable

I cannot install Digikam (broken dependencies).

sudo apt-get install digikam

Reading package lists… Done
Building dependency tree
Reading state information… Done
Some packages could not be installed.
The following packages have unmet dependencies:
digikam : Depends: digikam-private-libs (= 4:4.4.0-1.1) but it is not going to be installed.
Recommends: kipi-plugins but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

The package from jessie-backports should be installable :

sudo apt-get -t jessie-backports install digikam

I’d also recommend removing kffmpegthumbnailer btw.

sudo apt-get purge kffmpegthumbnailer