[Bug 794842] New: v4l2bufferpool: Warn when empty buffer is detectect as EOS

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=794842

            Bug ID: 794842
           Summary: v4l2bufferpool: Warn when empty buffer is detectect as
                    EOS
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: Normal
         Component: gst-plugins-good
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: nicolas at ndufresne.ca
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

Just to help a little the kernel dev, it would be nice to warn if an empty
output buffer is detected as a legacy EOS marker. Newly written driver should
not use this way of signalling EOS and it's a really easy mistake to do to
forget to set the output buffer payload size. So the new warning should mention
that an empty buffer was dequeued, and that this will trigger EOS.

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