[Bug 759143] New: rtpL24pay does not add packet time in SDP info

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Mon Dec 7 13:25:19 PST 2015


https://bugzilla.gnome.org/show_bug.cgi?id=759143

            Bug ID: 759143
           Summary: rtpL24pay does not add packet time in SDP info
    Classification: Platform
           Product: GStreamer
           Version: 1.6.1
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: grossi.roberto at gmail.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

When playing 8-channel 24-bit wav file, rtpL24pay does not add the following
packet time info in SDP message:

a=ptime:1.4512471
a=maxptime:1.4512471

where the ptime attribute indicates the preferred packet time (= framecount *
1000 / samplingFrequency)

RFC3190 also does not mention it but it is needed for the Ravenna/AES67
protocol. Some documentation is here:

http://s10552c2bc54233da.jimcontent.com/download/version/1443433736/module/11950353523/name/RAVENNA___AES67_V1.0.pdf

Thanks
-Roberto

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