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Add protocol documentation on the connect option to the udp protocol

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Originally committed as revision 25407 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Martin Storsjö 2010-10-08 08:49:56 +00:00
parent 25968c3953
commit f6833fc1c6
1 changed files with 7 additions and 0 deletions
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7
doc/protocols.texi
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@ -319,6 +319,13 @@ explicitly allow or disallow reusing UDP sockets
@item ttl=@var{ttl}
set the time to live value (for multicast only)
@item connect=@var{1|0}
Initialize the UDP socket with @code{connect()}. In this case, the
destination address can't be changed with udp_set_remote_url later.
This allows finding out the source address for the packets with getsockname,
and makes writes return with AVERROR(ECONNREFUSED) if "destination
unreachable" is received.
@end table
Some usage examples of the udp protocol with @file{ffmpeg} follow.