Chris-
There is an undocumented feature in QuickTime (at least for Windows) that
will force TCP. The only strange thing about this, is that it only actually
forces TCP if UDP doesn't work. I have been trying to get an exact
explanation of this for about 2 years, but nobody seems to know.
Maybe we can ask again?
This should force you to TCP if your netowrk or firewall doesn't allow UDP:
rtsp://123.45.67.8:554/stream
Specifying the port seems to force TCP under no UDP conditions.
Anymore information anyone?
Thanks.
-greg.
-----Original Message-----
From: streaming-server-users-bounces+greg=email@hidden
[mailto:streaming-server-users-bounces+greg=email@hidden] On
Behalf Of Chris Petersen
Sent: Tuesday, March 29, 2005 19:07
To: email@hidden;
email@hidden
Subject: Lost UDP packets streaming with DSS
I have DSS 5.0.3.2 running on a Red Hat Linux box. I have QT 6.5.2 running
on a XP box. The two computers are connected with a cross-over Ethernet
cable running 100Mb. Nothing else is on the network. When I stream
RTSP/RTP data by typing the URL "rtsp://192.168.1.103/sample_100kbit.mov"; on
the QT player, I get significant packet loss. I have installed Ethereal on
both boxes. The traces tell me that all the packets on the server side are
being sent to the server driver, but are "lost" by the time they get to the
client. Where are they most likely getting lost? Is this a buffer or
queuing problem? Or is it a hardware issue with the NIC's? Are there
configuration parameters I can play with that might help? I've tried every
configuration option on the client side with no luck.
And finally, is there some way to force QT and DSS to use TCP instead of
UDP. QT 6.5.2 doesn't seem to allow that configuration.
Thanks, Chris
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