[Bug 725886] New: v4l2/gst_v4l2_object_poll handle POLLERR

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=725886
  GStreamer | gst-plugins-good | 1.2.3

           Summary: v4l2/gst_v4l2_object_poll handle POLLERR
    Classification: Platform
           Product: GStreamer
           Version: 1.2.3
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: castet.matthieu at free.fr
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


If there is no buffer if kernel, v4l2 api can report it with
POLLERR. Catch it instead of waiting forever on VIDIOC_DQBUF.

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