Hi,
I don't if this problem was reported before, I just find out yesterday when
doing some testing with April 1st version. Streaming over TCP is now
broken because of a recent change in the lib, I debugged it and this is the
faulty line file OnDemandSeverMediaSubsession.cpp (line 463)
if (fRTCPInstance != NULL) {
// Hack: Send an initial RTCP "SR" packet, before the initial RTP
packet, so that receivers will (likely) be able to
// get RTCP-synchronized presentation times immediately:
fRTCPInstance->sendReport();
}
In TCP mode it is breaking the PLAY server answer to the client, here is
the Wireshark grab of the RTSP communication:
PLAY rtsp://10.6.4.140:5554/test/ RTSP/1.0
CSeq: 5
User-Agent: LibVLC/2.0.5 (LIVE555 Streaming Media v2012.09.13)
Session: 89934BBE
Range: npt=0.000-
$..8....N.....^..5.J...m............N.....ca-rd-sgrondin....RTSP/1.0 200 OK
<-------------------- PROBLEM ---------------
CSeq: 5
Date: Thu, Apr 11 2013 16:09:08 GMT
Range: npt=0.000-
Session: 89934BBE
RTP-Info:
url=rtsp://10.6.4.140:5554/test/track1;seq=18959;rtptime=3703760758
You see that a SR packet was inserted before the server answer, this will
disconnect any clients waiting the OK from the server. Got the problem
with VLC and my own application.
Suggested fix:
if (dests->isTCP == False) {
if (fRTCPInstance != NULL) {
// Hack: Send an initial RTCP "SR" packet, before the initial RTP
packet, so that receivers will (likely) be able to
// get RTCP-synchronized presentation times immediately:
fRTCPInstance->sendReport();
}
}
Thanks again for the great software library!
Serge
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