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[ptf <paul@xxxxxxxxxxxx>]

I'd be inclined to add it as a preference along with some indication
that things had failed.

An alternative would be to check for melt vs mlt-melt as Fedora users
are likely to have the latter but then you get into the thorny issue of
searching $PATH, and someone somewhere will still complain that they
have some other setup that gives the executable a different name.

Is there a way to get this from the mlt library rather than running the
command? - I nearly labelled this as a security bug on the grounds that
*anything* which runs a sub-process via a shell is a security bug :-)

-- 
no audio or video codecs listed
https://bugs.launchpad.net/bugs/518552
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Status in OpenShot Video Editor: New

Bug description:
This is a problem in the current development version (1.0.5) *not* 1.0

System: Fedora 12 x86_64

When trying to export video I get no codecs at all in the drop down lists

This is because openshot is trying to run  a command such as

    melt noise -consumer avformat vcodec=list

to get the list

However I have the rpmfusion version of mlt 4.10 which installs the command-line utility as mlt-melt consequently the above command fails.

As an aside I get no indication that there was any error listing the codecs