[gstreamer-bugs] [Bug 595700] New: PNM decoder doesn't handle ASCII encoded pnm data split over several buffers

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=595700
  GStreamer | gst-plugins-bad | git

           Summary: PNM decoder doesn't handle ASCII encoded pnm data
                    split over several buffers
    Classification: Desktop
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: lutz at topfrose.de
         QAContact: gstreamer-bugs at lists.sourceforge.net
      GNOME target: ---
     GNOME version: ---


The PNM decoder currently fails if the ASCII encoded PNM data is split over
several buffers. The attached patch fixes that and a couple of other problems:
- handle ASCII encoded PNM data split over several buffers
- unref buffers after gst_buffer_span
- fix scanning of header if header data is split over several buffers

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