[gstreamer-bugs] [Bug 574509] New: list_tracks causes assertion with pulsemixer, but not with alsamixer
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Sat Mar 7 15:34:20 PST 2009
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GStreamer | gst-python | Ver: 0.10.14
Summary: list_tracks causes assertion with pulsemixer, but not
AssignedTo: gstreamer-bugs at lists.sourceforge.net
ReportedBy: mblaesing at doppel-helix.eu
QAContact: gstreamer-bugs at lists.sourceforge.net
GNOME version: Unspecified
GNOME milestone: Unspecified
I tried the pulsemixer and got a failure. When invoking list_tracks, I didn't
get a tracklist as I would have expected.
alsa = gst.element_factory_make('alsamixer')
alsa.device = alsa.probe_get_values_name("device")
pulse = gst.element_factory_make('pulsemixer')
devices = pulse.probe_get_values_name('device')
pulse.device = devices
Resulted in this:
mblaesing at enterprise:~$ python test4.py
[<__main__.GstAlsaMixerTrack object at 0xa0c093c (GstAlsaMixerTrack at
0xa40d000)>, <__main__.GstAlsaMixerTrack object at 0xa0c0964 (GstAlsaMixerTrack
** (test4.py:2452): CRITICAL **: _wrap_gst_mixer_list_tracks: assertion
`GST_IS_MIXER (self->obj)' failed
mblaesing at enterprise:~$
My assumtions would have been to get a list like in the alsa case.
I had a look at gnome-volume-control. This seems to use gstreamer for volume
control (at least I interpret that from the ldd output). There the pulse
devices are visible and showing the volume tracks. This led me to the
conclusion that the problem lies probably somewhere in the python bindings.
If you need more info - just ask - I run this test on debian SID and Ubuntu
Thanks in advance
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