[gstreamer-bugs] [Bug 629522] New: Requesting support for Define Restart Interval (DRI) capability in jpeg rtp payloader

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=629522
  GStreamer | gst-plugins-good | git

           Summary: Requesting support for Define Restart Interval (DRI)
                    capability in jpeg rtp payloader
    Classification: Desktop
           Product: GStreamer
           Version: git
        OS/Version: Windows
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: GStreamer-Bugs at tycosp.com
         QAContact: gstreamer-bugs at lists.sourceforge.net
      GNOME target: ---
     GNOME version: ---


Created an attachment (id=170150)
 View: https://bugzilla.gnome.org/attachment.cgi?id=170150
 Review: https://bugzilla.gnome.org/review?bug=629522&attachment=170150

patch the gstrtpjpegpay.c in git-patch format

The current git codebase appears to not have support for Define Restart
Interval (DRI) detection in the rtp jpeg payloader.  We have encountered some
IP-based cameras that deliver MJPEG with the DRI marker encoded in the jpeg
stream.  We have implemented the handling of the DRI marker in accordance
specified in section 3.1.7 of RFC2435.  This is not a full implementation of
the DRI marker feature for we indicate to the receiver that THEY must
reassemble the entire frame before decoding it (restart count = 0x3FFFF).  We
have also included some defensive code to protect against those streams that DO
input a DRI marker but have no actual restart interval.

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