query_duration

[Florian Ludwig]

Hi,

I'm trying to get the length of some music file's using gstreamer and
python. I'm using playbin2 and to get started I just copied the example
code from:

http://pygstdocs.berlios.de/pygst-tutorial/playbin.html

and added
 print 'duration', self.player.query_duration()

but that results in an exception:

Traceback (most recent call last):
  File "play_length.py", line 39, in start_stop
    print 'duration', self.player.query_duration()
gst.QueryError: query failed

How do I correctly get the play length of files?

Full code attached.

Thanks,
Florian

-- 
Florian Ludwig <dino at phidev.org>
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