[gstreamer-bugs] [Bug 623854] New: jpegparse reads a wrong EXIF section size

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=623854
  GStreamer | gst-plugins-bad | git

           Summary: jpegparse reads a wrong EXIF section size
    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: vjaquez at igalia.com
         QAContact: gstreamer-bugs at lists.sourceforge.net
      GNOME target: ---
     GNOME version: ---


Created an attachment (id=165491)
 View: https://bugzilla.gnome.org/attachment.cgi?id=165491
 Review: https://bugzilla.gnome.org/review?bug=623854&attachment=165491

fix the exif frame size

The commit 00897e21a99011884c07c4def20a6d658cc0e97b

brings a regression in images with an EXIF section because it reads an
erroneous number of bytes breaking the sections reading, thus the SOF sections
are lost and image header is not parsed.

exif_size = size - 2; <--- the exif string length + the padding is missing

The following patch fix this problems.

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