[Bug 757488] gst-rtsp-server: multicast functionality is broken if using the same port ranges for multicast and unicast

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=757488

--- Comment #75 from Sebastian Dröge (slomo) <slomo at coaxion.net> ---
(In reply to Patricia Muscalu from comment #74)
> (In reply to Sebastian Dröge (slomo) from comment #70)
> > commit 206d2ded099e49d8d6e03fdc6158eb6ed96d6276
> > Author: Sebastian Dröge <sebastian at centricular.com>
> > Date:   Sat Mar 5 10:52:11 2016 +0200
> > 
> >     rtsp-stream: Disable multicast loopback for all our sockets
> >     
> >     On Windows this is a receiver-side setting, on Linux a sender-side
> > setting. As
> >     we provide a socket ourselves to udpsrc, udpsrc is never setting the
> > multicast
> >     loopback setting on the socket... while udpsink does which unfortunately
> > has
> >     no effect here on Windows but on Linux.
> >     
> >     https://bugzilla.gnome.org/show_bug.cgi?id=757488
> 
> This is supposed to be done in create_and_configure_udpsources_one_family():
> g_object_set (G_OBJECT (udpsrc_out[0]), "loop", FALSE, NULL);
> g_object_set (G_OBJECT (udpsrc_out[1]), "loop", FALSE, NULL);

Just that udpsrc does not do anything with that flag if we provide it our own
socket :) That's why I went with the hammer solution now and just disabled it
directly on the socket from the very start.

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