[Bug 673794] udpsink: implement timestamp smoothing / sender throttling (for rtprawpay and gigabit ethernet)

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=673794
  GStreamer | gst-plugins-good | git

Olivier Langlois <olivier.pis.langlois> changed:

           What    |Removed                     |Added
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                 CC|                            |olivier.pis.langlois at transp
                   |                            |ort.alstom.com

--- Comment #24 from Olivier Langlois <olivier.pis.langlois at transport.alstom.com> 2013-10-29 22:56:01 UTC ---
I will investigate the max bitrate potential solution as I am bitten by the
problem as well. I haven't seen similar story so I'll share the description to
bring a new perspective.

I am streaming mp4 video with rtp over multicast ip. The rtp sender has a 100
Mbps interface. Not all part of the LAN is 100 mbps. Some segments are 10 Mbps
only.

I think we see bursts that coincide with keyframes tx. One would hope that with
good Ethernet switches, the bitrate smoothing would occur at the hardware level
on the switches but I guess we have not so good switches and we experience
heavy packet drops.

I need to add that the network is already well used. It is not exclusively used
specifically to stream this particular stream. IMO, it is not overused but it
doesn't take a very big spike to cause packet drops.

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