doc: Update the documentation on setting options for RTSP

Signed-off-by: Martin Storsjö <martin@martin.st>

doc/protocols.texi

@@ -246,12 +246,15 @@ supporting it (currently Darwin Streaming Server and Mischa Spiegelmock's
 
 The required syntax for a RTSP url is:
 @example
-rtsp://@var{hostname}[:@var{port}]/@var{path}[?@var{options}]
+rtsp://@var{hostname}[:@var{port}]/@var{path}
 @end example
 
-@var{options} is a @code{&}-separated list. The following options
+The following options (set on the @file{avconv}/@file{avplay} command
+line, or set in code via @code{AVOption}s or in @code{avformat_open_input}),
 are supported:
 
+Flags for @code{rtsp_transport}:
+
 @table @option
 
 @item udp
@@ -261,21 +264,25 @@ Use UDP as lower transport protocol.
 Use TCP (interleaving within the RTSP control channel) as lower
 transport protocol.
 
-@item multicast
+@item udp_multicast
 Use UDP multicast as lower transport protocol.
 
 @item http
 Use HTTP tunneling as lower transport protocol, which is useful for
 passing proxies.
-
-@item filter_src
-Accept packets only from negotiated peer address and port.
 @end table
 
 Multiple lower transport protocols may be specified, in that case they are
 tried one at a time (if the setup of one fails, the next one is tried).
 For the muxer, only the @code{tcp} and @code{udp} options are supported.
 
+Flags for @code{rtsp_flags}:
+
+@table @option
+@item filter_src
+Accept packets only from negotiated peer address and port.
+@end table
+
 When receiving data over UDP, the demuxer tries to reorder received packets
 (since they may arrive out of order, or packets may get lost totally). In
 order for this to be enabled, a maximum delay must be specified in the
@@ -291,13 +298,13 @@ Example command lines:
 To watch a stream over UDP, with a max reordering delay of 0.5 seconds:
 
 @example
-avplay -max_delay 500000 rtsp://server/video.mp4?udp
+avplay -max_delay 500000 -rtsp_transport udp rtsp://server/video.mp4
 @end example
 
 To watch a stream tunneled over HTTP:
 
 @example
-avplay rtsp://server/video.mp4?http
+avplay -rtsp_transport http rtsp://server/video.mp4
 @end example
 
 To send a stream in realtime to a RTSP server, for others to watch: