[Bug 705550] New: GST_BUFFER_FLAG_DELTA_UNIT not set to true/false in gstrtpvp8depay.c

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Tue Aug 6 02:45:49 PDT 2013


https://bugzilla.gnome.org/show_bug.cgi?id=705550
  GStreamer | gst-plugins-good | 1.x

           Summary: GST_BUFFER_FLAG_DELTA_UNIT not set to true/false in
                    gstrtpvp8depay.c
    Classification: Platform
           Product: GStreamer
           Version: 1.x
        OS/Version: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: Morgan.Lindqvist at ericsson.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


The VP8 RTP payload depack pluging does not set the GST_BUFFER_FLAG_DELTA_UNIT
flag to true or false depending on if the decoded picture is a full intra
picture /keyframe or not.

This is done in for instance gstrtph264depay.c using the following code
-----------------
    if (out_keyframe)
      GST_BUFFER_FLAG_UNSET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT);
    else
      GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT);
------------------

In the specification, http://tools.ietf.org/html/rfc6386#section-19.1, it is
described how to detect if this picture is a keyframe or not.

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