[Interest] GStreamer missing plugin error

Harri Pasanen harri at mpaja.com
Tue Jan 27 11:30:54 CET 2015

Does Qt have all the plugins required for MediaPlayer to play video, in 
my case xvid in mp4 container,
or does it rely on the host having required codecs etc?

The reason I ask, is that I'm on a new linux installation (Kubuntu 14.10 
amd64) and the video doesn't play any more.  Instead I'm getting the 
following in the Application Output:

Warning: "No decoder available for type 'video/mpeg, mpegversion=(int)4, 
systemstream=(boolean)false, profile=(string)simple, level=(string)1, 
width=(int)640, height=(int)360, framerate=(fraction)1/2, 

Error: "Your GStreamer installation is missing a plug-in."

Yet when I play the same video from command line using GStreamer tools:

gst-launch-1.0 playbin uri="file:///home/harri/Videos/Stoppola/My Film.mp4"

that works fine.

Any idea?


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