[gstreamer-bugs] [Bug 340338] New: The python bindings cannot handle the tuner interface on v4l2src elements

[GStreamer (bugzilla.gnome.org)]

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 GStreamer | gst-python | Ver: 0.10.4

           Summary: The python bindings cannot handle the tuner interface on
                    v4l2src elements
           Product: GStreamer
           Version: 0.10.4
          Platform: Other
        OS/Version: All
            Status: UNCONFIRMED
          Severity: critical
          Priority: Normal
         Component: gst-python
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: frepe at bredband.net
         QAContact: johan at gnome.org
     GNOME version: Unspecified
   GNOME milestone: Unspecified


Steps to reproduce:
Run this simple pyton script. It will give this error message:
"GStreamer-CRITICAL **: gst_implements_interface_cast: assertion
`gst_element_implements_interface (GST_ELEMENT (from), iface_type)' failed
Segmentation fault

import gst
import gobject

source = gst.element_factory_make("v4l2src")
print source.get_channel()



Stack trace:
(gdb) bt
#0  0x00002aaaacdb6b79 in gst_tuner_get_channel (tuner=0x0) at tuner.c:174
#1  0x00002aaab749c51a in initinterfaces ()
   from /usr/lib/python2.4/site-packages/gst-0.10/gst/interfaces.so
#2  0x0000000000477314 in PyEval_EvalFrame ()
#3  0x0000000000477dcf in PyEval_EvalCodeEx ()
#4  0x0000000000477ee2 in PyEval_EvalCode ()
#5  0x000000000049bb12 in PyRun_FileExFlags ()
#6  0x000000000049bd9e in PyRun_SimpleFileExFlags ()
#7  0x0000000000410a30 in Py_Main ()
#8  0x00002aaaab07d49b in __libc_start_main () from /lib/libc.so.6
#9  0x000000000040ff6a in _start ()
(gdb)                                                                     

Other information:
Using the tuner interface in c doesn't seem to be a problem at all. For
example,
this test program runs fine: http://bugzilla.gnome.org/attachment.cgi?id=63735


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