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avformat/udp: add support for generic source filtering

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This allows getting data only from a specific source IP. This is useful not
only for unicast but for multicast as well because multicast source
subscriptions do not act as source filters for the incoming packets.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint
2018-09-20 01:23:58 +02:00
parent 9d4829f3c9
commit 91a1363452
2 changed files with 17 additions and 8 deletions
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8
doc/protocols.texi
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@@ -1569,12 +1569,12 @@ 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.
Only receive packets sent from the specified addresses. In case of multicast,
also subscribe to multicast traffic coming from these addresses only.
@item block=@var{address}[,@var{address}]
Ignore packets sent to the multicast group from the specified
sender IP addresses.
Ignore packets sent from the specified addresses. In case of multicast, also
exclude the source addresses in the multicast subscription.
@item fifo_size=@var{units}
Set the UDP receiving circular buffer size, expressed as a number of