From 7a86bafa20aca6cdb38c425d23aa5aaf4271210a Mon Sep 17 00:00:00 2001
From: "Ronald S. Bultje" <rsbultje@gmail.com>
Date: Wed, 7 Jan 2009 14:55:47 +0000
Subject: [PATCH] Use the "server" RTSP field to detect whether the server that
 we're talking to is a Microsoft Windows Media Server (the field will be
 "WMServer/version"). See "[PATCH] RTSP-MS 3/15: Add Windows Media Server
 type" thread on mailinglist.

Originally committed as revision 16472 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/rtsp.c | 5 +++++
 libavformat/rtsp.h | 2 ++
 2 files changed, 7 insertions(+)

diff --git a/libavformat/rtsp.c b/libavformat/rtsp.c
index 2ba1755b28..26bae089dd 100644
--- a/libavformat/rtsp.c
+++ b/libavformat/rtsp.c
@@ -688,6 +688,9 @@ void rtsp_parse_line(RTSPHeader *reply, const char *buf)
     } else if (av_stristart(p, "RealChallenge1:", &p)) {
         skip_spaces(&p);
         av_strlcpy(reply->real_challenge, p, sizeof(reply->real_challenge));
+    } else if (av_stristart(p, "Server:", &p)) {
+        skip_spaces(&p);
+        av_strlcpy(reply->server, p, sizeof(reply->server));
     }
 }
 
@@ -1123,6 +1126,8 @@ static int rtsp_read_header(AVFormatContext *s,
         if (rt->server_type != RTSP_SERVER_REAL && reply->real_challenge[0]) {
             rt->server_type = RTSP_SERVER_REAL;
             continue;
+        } else if (!strncasecmp(reply->server, "WMServer/", 9)) {
+            rt->server_type = RTSP_SERVER_WMS;
         } else if (rt->server_type == RTSP_SERVER_REAL) {
             strcpy(real_challenge, reply->real_challenge);
         }
diff --git a/libavformat/rtsp.h b/libavformat/rtsp.h
index 36297e98c0..ebc7ab79b5 100644
--- a/libavformat/rtsp.h
+++ b/libavformat/rtsp.h
@@ -66,6 +66,7 @@ typedef struct RTSPHeader {
     int seq; /**< sequence number */
     char session_id[512];
     char real_challenge[64]; /**< the RealChallenge1 field from the server */
+    char server[64];
 } RTSPHeader;
 
 enum RTSPClientState {
@@ -77,6 +78,7 @@ enum RTSPClientState {
 enum RTSPServerType {
     RTSP_SERVER_RTP,  /*< Standard-compliant RTP-server */
     RTSP_SERVER_REAL, /*< Realmedia-style server */
+    RTSP_SERVER_WMS,  /*< Windows Media server */
     RTSP_SERVER_LAST
 };