[Bug 687182] New: playbin enhancement: better way to autoplug the s/w and h/w accelerated "deinterlace" element.

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=687182
  GStreamer | gst-plugins-base | git

           Summary: playbin enhancement: better way to autoplug the s/w
                    and h/w accelerated "deinterlace" element.
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: bsreerenj at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


The current implementation of playbin is autoplugging the deinterlace element
and which is doing the deinterlacing (in AUTO mode) if the incoming caps has
"interlace-mode" != "progressive" . But this will create issue  when h/w
accelerated elements like vaapi plugins plug in to the pipeline . For eg:
vaapidecode o/p is not intended to deinterlace with the deinterlace element .If
vaapidecode autoplugged in to the pipeline, vaapipostproc(which is doing post
processing functions like deinterlacing for vaapi) should replace "deinterlace"
element.

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