Dragon Player draait geen mp4 bestanden

Leap 42.1 Plasma 5 KDE .
PC : Acer AMD Athlon II X2 220 X1420 3,7 GIG ram.
Grafische kaart : GeForce 6150SE nForce 430/integrated/SSE2

Dragon Player draait geen MP4 bestanden , VLC wel.

ik heb reeds gedaan :

rm -rf  ~/.cache/gstreamer-1.0/

Hielp niet.

andre@linux-kbx7:~> zypper lr -d
#  | Alias                           | Naam                                      | Ingeschakeld | GPG-controle | Herladen | Prioriteit | Type   | URI                                                                          | Service
---+---------------------------------+-------------------------------------------+--------------+--------------+----------+------------+--------+------------------------------------------------------------------------------+--------
 1 | download.nvidia.com-leap        | nVidia Graphics Drivers                   | Ja           | (r ) Ja      | Ja       |   99       | rpm-md | http://download.nvidia.com/opensuse/leap/42.1                                |        
 2 | download.opensuse.org-non-oss   | Hoofd-installatiebron (niet-opensource)   | Ja           | (r ) Ja      | Ja       |   99       | yast2  | http://download.opensuse.org/distribution/leap/42.1/repo/non-oss/            |        
 3 | download.opensuse.org-non-oss_1 | Installatiebron voor bijwerken (niet-Oss) | Ja           | (r ) Ja      | Ja       |   99       | rpm-md | http://download.opensuse.org/update/leap/42.1/non-oss/                       |        
 4 | download.opensuse.org-oss       | Hoofd-installatiebron (opensource)        | Ja           | (r ) Ja      | Ja       |   99       | yast2  | http://download.opensuse.org/distribution/leap/42.1/repo/oss/                |        
 5 | download.opensuse.org-oss_1     | Hoofd-installatiebron voor bijwerken      | Ja           | (r ) Ja      | Ja       |   99       | rpm-md | http://download.opensuse.org/update/leap/42.1/oss                            |        
 6 | ftp.gwdg.de-suse                | Packman Repository                        | Ja           | (r ) Ja      | Ja       |   99       | rpm-md | http://ftp.gwdg.de/pub/linux/packman/suse/openSUSE_Leap_42.1/                |        
 7 | openSUSE-42.1-0                 | openSUSE-42.1-0                           | Nee          | ----         | Nee      |   99       | yast2  | cd:///?devices=/dev/disk/by-id/ata-ATAPI_DVD_A_DH16ABSH_KU0160F01112516D9CF3 |        
 8 | repo-debug                      | openSUSE-Leap-42.1-Debug                  | Nee          | ----         | Ja       |   99       | NONE   | http://download.opensuse.org/debug/distribution/leap/42.1/repo/oss/          |        
 9 | repo-debug-non-oss              | openSUSE-Leap-42.1-Debug-Non-Oss          | Nee          | ----         | Ja       |   99       | NONE   | http://download.opensuse.org/debug/distribution/leap/42.1/repo/non-oss/      |        
10 | repo-debug-update               | openSUSE-Leap-42.1-Update-Debug           | Nee          | ----         | Ja       |   99       | NONE   | http://download.opensuse.org/debug/update/leap/42.1/oss                      |        
11 | repo-debug-update-non-oss       | openSUSE-Leap-42.1-Update-Debug-Non-Oss   | Nee          | ----         | Ja       |   99       | NONE   | http://download.opensuse.org/debug/update/leap/42.1/non-oss/                 |        
12 | repo-source                     | openSUSE-Leap-42.1-Source                 | Nee          | ----         | Ja       |   99       | NONE   | http://download.opensuse.org/source/distribution/leap/42.1/repo/oss/         |        
13 | repo-update                     | openSUSE-Leap-42.1-Update                 | Ja           | (r ) Ja      | Ja       |   99       | rpm-md | http://download.opensuse.org/update/leap/42.1/oss/                           |        
andre@linux-kbx7:~> 

sudo zypper dup --from 6

Hielp niet.

sudo zypper dup --from 13
sudo zypper dup --from 6

Hielp niet.

Ik zie in Tumbleweed precies hetzelfde. Bug rapporteren bij bugs.kde.org