[Bug 690639] New: pngdec: decoded frames are not pushed out

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=690639
  GStreamer | gst-plugins-good | git

           Summary: pngdec: decoded frames are not pushed out
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Mac OS
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: thijsvermeir at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


pngdec is not producing any output frames if read from file.

This pipeline works:
gst-launch-1.0 videotestsrc num-buffers=1 ! pngenc ! pngdec ! filesink
location=frame.raw

This does not work:
gst-launch-1.0 videotestsrc num-buffers=1 ! pngenc ! filesink location=img.png
gst-launch-1.0 filesrc location=img.png ! pngdec ! filesink location=frame.raw

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