RTSP: Doxygen comment cleanup

Do not use Doxygen for comments that apply to specific implementation
details; merge some duplicated Doxygen comment blocks.

libavformat/rtsp.c

@@ -428,11 +428,6 @@ static void sdp_parse_line(AVFormatContext *s, SDPParseState *s1,
     }
 }
 
-/**
- * Parse the sdp description and allocate the rtp streams and the
- * pollfd array used for udp ones.
- */
-
 int ff_sdp_parse(AVFormatContext *s, const char *content)
 {
     RTSPState *rt = s->priv_data;
@@ -1050,9 +1045,6 @@ retry:
     return 0;
 }
 
-/**
- * @return 0 on success, <0 on error, 1 if protocol is unavailable.
- */
 int ff_rtsp_make_setup_request(AVFormatContext *s, const char *host, int port,
                               int lower_transport, const char *real_challenge)
 {
@@ -1078,7 +1070,7 @@ int ff_rtsp_make_setup_request(AVFormatContext *s, const char *host, int port,
     for (j = RTSP_RTP_PORT_MIN, i = 0; i < rt->nb_rtsp_streams; ++i) {
         char transport[2048];
 
-        /**
+        /*
          * WMS serves all UDP data over a single connection, the RTX, which
          * isn't necessarily the first in the SDP but has to be the first
          * to be set up, else the second/third SETUP will fail with a 461.
@@ -1151,7 +1143,7 @@ int ff_rtsp_make_setup_request(AVFormatContext *s, const char *host, int port,
 
         /* RTP/TCP */
         else if (lower_transport == RTSP_LOWER_TRANSPORT_TCP) {
-            /** For WMS streams, the application streams are only used for
+            /* For WMS streams, the application streams are only used for
              * UDP. When trying to set it up for TCP streams, the server
              * will return an error. Therefore, we skip those streams. */
             if (rt->server_type == RTSP_SERVER_WMS &&
@@ -1482,14 +1474,14 @@ redirect:
         cmd[0] = 0;
         if (rt->server_type == RTSP_SERVER_REAL)
             av_strlcat(cmd,
-                       /**
+                       /*
                         * The following entries are required for proper
                         * streaming from a Realmedia server. They are
                         * interdependent in some way although we currently
                         * don't quite understand how. Values were copied
                         * from mplayer SVN r23589.
-                        * @param CompanyID is a 16-byte ID in base64
-                        * @param ClientChallenge is a 16-byte ID in hex
+                        *   ClientChallenge is a 16-byte ID in hex
+                        *   CompanyID is a 16-byte ID in base64
                         */
                        "ClientChallenge: 9e26d33f2984236010ef6253fb1887f7\r\n"
                        "PlayerStarttime: [28/03/2003:22:50:23 00:00]\r\n"

libavformat/rtsp.h

@@ -505,8 +505,9 @@ int ff_rtsp_setup_input_streams(AVFormatContext *s, RTSPMessageHeader *reply);
 int ff_rtsp_setup_output_streams(AVFormatContext *s, const char *addr);
 
 /**
- * Parse a SDP description of streams by populating an RTSPState struct
- * within the AVFormatContext.
+ * Parse an SDP description of streams by populating an RTSPState struct
+ * within the AVFormatContext; also allocate the RTP streams and the
+ * pollfd array used for UDP streams.
  */
 int ff_sdp_parse(AVFormatContext *s, const char *content);
 
@@ -525,6 +526,7 @@ int ff_rtsp_fetch_packet(AVFormatContext *s, AVPacket *pkt);
 /**
  * Do the SETUP requests for each stream for the chosen
  * lower transport mode.
+ * @return 0 on success, <0 on error, 1 if protocol is unavailable
  */
 int ff_rtsp_make_setup_request(AVFormatContext *s, const char *host, int port,
                                int lower_transport, const char *real_challenge);