---
This summarizes the discussion from the ML from October 2008, when
this was discussed (committed in December 2008), to explain the
reason for it.
libavformat/udp.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/libavformat/udp.c b/libavformat/udp.c
index 12de48c..e91b95c 100644
--- a/libavformat/udp.c
+++ b/libavformat/udp.c
@@ -380,7 +380,9 @@ static int udp_open(URLContext *h, const char *uri, int
flags)
goto fail;
}
- /* if multicast, try the multicast address bind first */
+ /* If multicast, try binding the multicast address first, to avoid
+ * receiving UDP packets from other sources aimed at the same UDP
+ * port. This fails on windows. */
if (s->is_multicast && (h->flags & AVIO_FLAG_READ)) {
bind_ret = bind(udp_fd,(struct sockaddr *)&s->dest_addr, len);
}
--
1.7.3.1
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