step event doesn't work with GST_FORMAT_DEFAULT

Thu Nov 8 09:45:34 PST 2012

Hi,
I have this pipeline:

filesrc location=file.avi ! decodebin ! xvimagesink

I would like to step through the video frame by frame.  I' m using the
python wrapper. I tried with:

gst.event_new_step(gst.FORMAT_DEFAULT, 1,1, True, False)

It doesn't work. The step-done message returns:
(<enum GST_FORMAT_DEFAULT of type GstFormat>, 1L, 1.0, True, False, 0L,
True)

So it seems the end of file has been reached. I assume
GST_FORMAT_DEFAULT stands
for frames, is it correct?
Using gst.FORMAT_TIME it works fine.  Any ideas?

-- 
Mauro
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