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udp: Receive on the remote port number, if no local port is set

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For a unicast udp stream to localhost:1234, currently
ffplay udp://:1234?localport=1234
works, but
ffplay udp://:1234
doesn't work.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Can Wu 2011-06-17 13:58:01 +08:00 • committed by Martin Storsjö
parent adbfc605f6
commit fc66e23154
1 changed files with 1 additions and 1 deletions
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2
libavformat/udp.c
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@ -365,7 +365,7 @@ static int udp_open(URLContext *h, const char *uri, int flags)
goto fail;
}
if (s->is_multicast && (h->flags & AVIO_FLAG_READ))
if ((s->is_multicast || !s->local_port) && (h->flags & AVIO_FLAG_READ))
s->local_port = port;
udp_fd = udp_socket_create(s, &my_addr, &len);
if (udp_fd < 0)