[PyQt] Phonon VLC backend on Windows

David Boddie david at boddie.org.uk
Wed Jun 9 22:27:55 BST 2010

On Mon, 07 Jun 2010 17:15:44 +0200, Vlád'a wrote:

> I'm trying to build a music player by using PyQt and Phonon. I'm
> developing on Windows. On many computers I have problems with the
> included DirectShow Phonon backend. I would like to replace it with VLC
> backend. I found information that it should be available with VLC 1.1
> (which I have installed). On winkde.org I found a package with
> phonon_vlc.dll. I tried to put this file in
> ..Python\Lib\site-packages\PyQt4\plugins\phonon_backend\ and removed the
> phonon_ds94.dll. But the sample music player that comes with PyQt
> complains it can't find any Phonon backend.

I'm not a Windows user so I can only guess why this doesn't work. Maybe it
relies on different libraries, is expecting to be installed in a certain
place, or is built in an incompatible way with PyQt.

> Could you please advice me how to setup Phonon VLC backend under
> Windows? Thank you!

This is more of a Qt installation issue, so it might be worth asking on
the qt-interest list:


Alternatively, you might try to find the developers behind winkde.org and
ask them for some help. Perhaps it might be worthwhile to contact the KDE
on Windows developers and ask them for advice:



More information about the PyQt mailing list