[gstreamer-bugs] [Bug 448278] New: [v4l2src] tuner interface implementation in current cvs is broken

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gst-plugins-good | Ver: HEAD CVS
           Summary: [v4l2src] tuner interface implementation in current cvs
                    is broken
           Product: GStreamer
           Version: HEAD CVS
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: alexeichi at yahoo.de
         QAContact: gstreamer-bugs at lists.sourceforge.net
     GNOME version: 2.17/2.18
   GNOME milestone: Unspecified


if I try to get tuner interface from v4l2src with following code I get these
messages:

(glotze:9811): GStreamer-CRITICAL **: gst_implements_interface_cast: assertion
`gst_element_implements_interface (GST_ELEMENT (from), iface_type)' failed

** (glotze:9811): CRITICAL **: gst_tuner_list_channels: assertion `GST_IS_TUNER
(tuner)' failed

(glotze:9811): GStreamer-CRITICAL **: gst_implements_interface_cast: assertion
`gst_element_implements_interface (GST_ELEMENT (from), iface_type)' failed

** (glotze:9811): CRITICAL **: gst_tuner_get_channel: assertion `GST_IS_TUNER
(tuner)' failed

Code:

tuner_list = gst_tuner_list_channels(GST_TUNER(vid_src));

this only happens if I'm using current cvs snapshot from gstreamer,
gst-plugins-base and gst-plugins-good. 
It works with gstreamer version 0.10.12, gst-plugins-base version 0.10.12 and
gst-plugins-good 0.10.5
The system is Ubuntu Feisty Fawn.


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