[Bug 731400] New: pnmdec: PNMDecoder gives sticky event warning

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=731400
  GStreamer | gst-plugins-bad | unspecified

           Summary: pnmdec: PNMDecoder gives sticky event warning
    Classification: Platform
           Product: GStreamer
           Version: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: sanjay.nm at samsung.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=278132)
 View: https://bugzilla.gnome.org/attachment.cgi?id=278132
 Review: https://bugzilla.gnome.org/review?bug=731400&attachment=278132

Ported PNM Decoder to use gstVideoDecoder Class

PNMDecoder has a FIXME to use gstVideoDecoder Class. Also it gives a sticky
event error. Attached patch fixes this by using gstVideoDecoder Class as base
class.
It is tested by using below pipeline for both even and odd dimension images.
It is working well

gst-launch-1.0 filesrc location=MARBLES.PPM ! pnmdec ! videoconvert !
imagefreeze ! autovideosink

Request to please review the patch.

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