[Bug 703632] New: GStreamer: unable to query position of stream

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=703632
  GStreamer | gstreamer (core) | unspecified

           Summary: GStreamer: unable to query position of stream
    Classification: Platform
           Product: GStreamer
           Version: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gstreamer (core)
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: anto.trande at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: 3.7/3.8


FramePlayer::openSource new video loaded: 
"/home/sagitter/Videos/big_buck_bunny.ogv" 
codec name:  "" 
warning: GStreamer: unable to query position of stream
(/builddir/build/BUILD/opencv-2.4.5/modules/highgui/src/cap_gstreamer.cpp:660)
total frames:  0 

This warning appears when I try to load a video file in 'qgifer' software
(http://sourceforge.net/projects/qgifer/) in Fedora 19 with opencv-2.4.5
installed.

It seems generated by this code:

case CV_CAP_PROP_FRAME_COUNT:
format = GST_FORMAT_DEFAULT;
if(!gst_element_query_duration(pipeline, &format, &value)) {
CV_WARN("GStreamer: unable to query position of stream");
return false;
}

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