[Bug 656155] New: ffdec_mpeg2video and interlace property

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=656155
  GStreamer | gst-ffmpeg | 0.10.12

           Summary: ffdec_mpeg2video and interlace property
    Classification: Platform
           Product: GStreamer
           Version: 0.10.12
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-ffmpeg
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: tvrtko.ursulin at onelan.co.uk
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=193416)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=193416)
gst-launch log when playing an interlaced stream

I think this plugin might be doing something fishy with the interlaced stream
property (caps). I see the property not detected for some DVB-T/DVB-S streams
while it should be, or even oscillating between interlaced and not-interlaced
during play.

Attached is a gst-launch log playing an interlaced stream. It seems to be
detected at some points, but then lost in the chain? Am I seeing it right?

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