rtsp-stream: Always bind to ANY when address is a multicast address and not only...

For IPv6 addresses, binding to a multicast group does not work on Linux
either. Always bind to ANY and then later join the multicast group.

https://bugzilla.gnome.org/show_bug.cgi?id=764679

diff --git a/gst/rtsp-server/rtsp-stream.c b/gst/rtsp-server/rtsp-stream.c
index a847935..810ee1c 100644 (file)
--- a/gst/rtsp-server/rtsp-stream.c
+++ b/gst/rtsp-server/rtsp-stream.c
@@ -1342,21 +1342,13 @@ again:
     g_clear_object (&inetaddr);
     inetaddr = g_inet_address_new_from_string (addr->address);
 
-    /* On Windows it's not possible to bind to a multicast address
-     * but the OS will make sure to filter out all packets that
-     * arrive not for the multicast address the socket joined.
-     *
-     * On Linux and others it is necessary to bind to a multicast
-     * address to let the OS filter out all packets that are received
-     * on the same port but for different addresses than the multicast
-     * address
+    /* If we're supposed to bind to a multicast address, instead bind
+     * to ANY and let udpsrc later join the relevant multicast group
      */
-#ifdef G_OS_WIN32
     if (g_inet_address_get_is_multicast (inetaddr)) {
       g_object_unref (inetaddr);
       inetaddr = g_inet_address_new_any (family);
     }
-#endif
   } else {
     if (tmp_rtp != 0) {
       tmp_rtp += 2;