avfilter/avf_showspectrum: implement zoom mode

[ffmpeg] / doc / protocols.texi

diff --git a/doc/protocols.texi b/doc/protocols.texi
index fad6c44c24558df85e4c24673d3bcee5f40469db..b34f29eebf9aa6f92478ebda934480a3db018585 100644 (file)
--- a/doc/protocols.texi
+++ b/doc/protocols.texi
@@ -1544,9 +1544,8 @@ packet bursts.
 Override the local UDP port to bind with.
 
 @item localaddr=@var{addr}
-Choose the local IP address. This is useful e.g. if sending multicast
-and the host has multiple interfaces, where the user can choose
-which interface to send on by specifying the IP address of that interface.
+Local IP address of a network interface used for sending packets or joining
+multicast groups.
 
 @item pkt_size=@var{size}
 Set the size in bytes of UDP packets.
@@ -1569,12 +1568,12 @@ 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