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authorMartin Storsjö <martin@martin.st>2012-06-21 14:19:56 +0300
committerMartin Storsjö <martin@martin.st>2012-06-27 14:39:00 +0300
commit75d339e044f9b87dd9aa4bdaee73b1a8323d4a15 (patch)
tree02d3bb1c6424f9570c39b5612ffa7389105ca84b /doc
parentfa84506177f0246b30d4ea6a99ee5d419f3e4550 (diff)
downloadffmpeg-75d339e044f9b87dd9aa4bdaee73b1a8323d4a15.tar.gz
udp: Support IGMPv3 source specific multicast and source blocking
Based on an original patch by Stephen D'Angelo <SDAngelo@evertz.com>. Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'doc')
-rw-r--r--doc/protocols.texi8
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/protocols.texi b/doc/protocols.texi
index e90d1b4a63..e75f10838a 100644
--- a/doc/protocols.texi
+++ b/doc/protocols.texi
@@ -536,6 +536,14 @@ and makes writes return with AVERROR(ECONNREFUSED) if "destination
unreachable" is received.
For receiving, this gives the benefit of only receiving packets from
the specified peer address/port.
+
+@item sources=@var{address}[,@var{address}]
+Only receive packets sent to the multicast group from one of the
+specified sender IP addresses.
+
+@item block=@var{address}[,@var{address}]
+Ignore packets sent to the multicast group from the specified
+sender IP addresses.
@end table
Some usage examples of the udp protocol with @command{avconv} follow.