@item buffer_size=@var{size}
Set the UDP maximum socket buffer size in bytes. This is used to set either
the receive or send buffer size, depending on what the socket is used for.
-Default is 64KB. See also @var{fifo_size}.
+Default is 32 KB for output, 384 KB for input. See also @var{fifo_size}.
@item bitrate=@var{bitrate}
If set to nonzero, the output will have the specified constant bitrate if the