[Bug 737757] New: decodebin: memory leak

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=737757
  GStreamer | gst-plugins-base | git

           Summary: decodebin: memory leak
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: matej.knopp at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=287549)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=287549)
Sample file

With sample pipeline decodebin leaks one instance of GstProxyPad and
GstDecodePad

pipeline assumes working h.264 decoder and parser

$ export GST_TRACE=mem-live
$ /opt/avs-debug/bin/gst-launch-1.0 filesrc location="x.ts" ! decodebin  !
fakesink

output:
...
  GstProxyPad          : (1) 0x10087a930
  GstDecodePad         : (1) 0x10088c190
...

I did try to debug it first but I got lost in decodebin code

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