.B disorder-playrtp
.RI [ OPTIONS ]
.RB [ -- ]
-.I ADDRESS
-.I PORT
+.RI [[ GROUP ]
+.IR PORT ]
.SH DESCRIPTION
\fBdisorder-playrtp\fR plays a network broadcast sent from the specified
address.
+.PP
+If neither a group nor port are specified then the local DisOrder
+configuration is consulted to find the server and the server is asked where the
+RTP stream is.
+.PP
+If just a port is specified then the RTP stream is assumed to be unicast or
+broadcast to that port.
+.PP
+If a group and a port are specified then the RTP stream is assumed to be
+multicast to that group and port.
.SH OPTIONS
.TP
.B --device \fIDEVICE\fR, \fB-D \fIDEVICE\fR
Specifies the audio device to use. The exact meaning of this is
platform-dependent; on Linux it is the ALSA device name.
.TP
+.B --help\fR, \fB-h
+Display a usage message.
+.TP
+.B --version\fR, \fB-V
+Display version number.
+.SS "Buffer Control Options"
+You shouldn't need to use these options.
+.TP
.B --min \fIFRAMES\fR, \fB-m \fIFRAMES\fR
Specifies the buffer low watermark in frames. If the number of frames falls
below this value then playing will be stopped until the buffer fills up.
is four times the \fB--buffer\fR value.
.TP
.B --rcvbuf \fIBYTES\fR, \fB-R \fIBYTES\fR
-Specifies socket receive buffer size.
-.TP
-.B --help\fR, \fB-h
-Display a usage message.
-.TP
-.B --version\fR, \fB-V
-Display version number.
+Specifies socket receive buffer size. The default is 131072 (128Kbytes). The
+buffer size will not be reduced below the operating system's default.
.SH "SEE ALSO"
.BR disorder_config (5),
.BR disorderd (8)