[Bug 760005] rtsp-sdp: Implement clock signalling according to RFC7273

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Sun Apr 3 08:23:14 UTC 2016


https://bugzilla.gnome.org/show_bug.cgi?id=760005

Sebastian Dröge (slomo) <slomo at coaxion.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #10 from Sebastian Dröge (slomo) <slomo at coaxion.net> ---
commit 9fab555cc598d701b8911926193f8005471e2ded
Author: Sebastian Dröge <sebastian at centricular.com>
Date:   Wed Dec 30 18:39:05 2015 +0200

    rtsp-server: Implement clock signalling according to RFC7273

    For NTP and PTP clocks we signal the actual clock that is used and signal
    the direct media clock offset.

    For all other clocks we at least signal that it's the local sender clock.

    This allows receivers to know which clock was used to generate the media
and
    its RTP timestamps. Receivers can then implement network synchronization,
    either absolute or at least relative by getting the sender clock rate
directly
    via NTP/PTP instead of estimating it from RTP timestamps and packet receive
    times.

    https://bugzilla.gnome.org/show_bug.cgi?id=760005

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