[Bug 729577] rtpsession: collisions detected

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=729577
  GStreamer | gst-plugins-good | git

--- Comment #5 from Olivier Crete (Tester) <olivier.crete at ocrete.ca> 2014-05-05 17:13:01 UTC ---
It creates an internal source with SSRC 0, that's the problem. So it thinks the
remote packets are from a collision. And it creates this internal source in the
rtp timeout (because you're not sending RTP/RTCP at all). I'm not sure why
suggested_ssrc is 0 at this point, that sounds wrong.

I'm not sure how easy it is for you to debug this, but if you can break in
rtp_session_init(), add a watch point on &sess->suggested_ssrc and figure out
who sets it to 000000, that may lead us in the right direction.

Incriminating evidence:
0:01:14.182943691  1718  0x9c7bd50 DEBUG             rtpsession
gst/rtpmanager/rtpsession.c:1538:obtain_internal_source: creating new internal
source 00000000

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