Comment 2 for bug 883604

If you run it as /usr/bin/gstreamer-codec-install --transient-for=83886098 "gstreamer|0.10|dragonplayer|GStreamer element dvdspu|element-dvdspu" "gstreamer|0.10|dragonplayer|GStreamer element rsndvdbin|element-rsndvdbin" it'll run from the command line.

It isn't related to the bug, though, since running a command from the shell behaves a bit differently than running it from another program. (The | are recognized as pipes by the shell, and they try to run whatever is directly after it and piping it the output of the previous command.)

The bug here is that the QApt GStreamer Helper cannot find packages providing a GStreamer Element itself, even if it can find packages that contain certain GStreamer Element Caps. (Capabilities)