這是我的rtsp方法有什麼問題？ （服務器回覆459總是）

Question

對不起我的英文不好

我工作到RTSP溝通程序

這個RTSP服務器回覆459錯誤（合計不允許操作）在我的SETUP請求

我不知道這一點。

請幫幫我。我錯了什麼？

==== Message Log ===== 

Connecting. 

RequestMessage 
DESCRIBE rtsp://xxx.xxx.xxx.xxx:554/racecar_300.wmv RTSP/1.0 
CSeq: 2 

RTSP/1.0 200 OK 
X-Playlist-Gen-Id: 106 
X-Broadcast-Id: 0 
Content-Length: 5220 
Date: Sun, 12 Feb 2012 23:02:31 GMT 
CSeq: 2 
Server: WMServer/9.5.6001.18281 
Supported: com.microsoft.wm.srvppair, com.microsoft.wm.sswitch, com.microsoft.wm.eosmsg, com.microsoft.wm.fastcache, com.microsoft.wm.packetpairssrc, com.micros 
oft.wm.startupprofile 
Last-Modified: Tue, 22 Jan 2008 22:54:32 GMT 
Cache-Control: x-wms-content-size=1222202, max-age=86399, must-revalidate, proxy 
-revalidate 
Etag: "1222202" 

v=0 
o=- 201202072042160228 201202072042160228 IN IP4 127.0.0.1 
s=Racecar WM 9 Series 300kbps 
c=IN IP4 0.0.0.0 
b=AS:315 
a=maxps:1518 
t=0 0 
a=control:rtsp://xxx.xxx.xxx.xxx:554/racecar_300.wmv/ 
a=etag:{67F94DEE-D1E6-A9AF-31C6-64D39ADB876E} 
a=range:npt=3.000-34.064 
a=recvonly 
a=pgmpu:data:application/x-wms-contentdesc,8,language,31,0,,5,title,31,27,Raceca 
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m=audio 0 RTP/AVP 96 
b=AS:68 
b=X-AV:65 
b=RS:0 
b=RR:0 
a=rtpmap:96 x-asf-pf/1000 
a=control:audio 
a=stream:1 
m=application 0 RTP/AVP 96 
b=RS:0 
b=RR:0 
a=rtpmap:96 x-wms-rtx/1000 
a=control:rtx 
a=stream:65536 
m=video 0 RTP/AVP 96 
b=AS:248 
b=X-AV:235 
b=RS:0 
b=RR:0 
a=rtpmap:96 x-asf-pf/1000 
a=control:video 
a=stream:2 

RequestMessage 
SETUP rtsp://xxx.xxx.xxx.xxx:554/racecar_300.wmv RTSP/1.0 
CSeq: 3 
Transport: RTP/AVP;unicast;client_port=4568:4569 

RTSP/1.0 459 Aggregate Operation Now Allowed 
Date: Sun, 12 Feb 2012 23:02:31 GMT 
CSeq: 3 
Server: WMServer/9.5.6001.18281 
Supported: com.microsoft.wm.srvppair, com.microsoft.wm.sswitch, com.microsoft.wm.eosmsg, com.microsoft.wm.fastcache, com.microsoft.wm.packetpairssrc, com.microsoft.wm.startupprofile 

Answer 1

如果要實現自己的RTSP客戶端，讓你閱讀和重讀RFC 2326: RTSP Spec以及RFC 4566: SDP Spec？此外，它似乎與Windows Media Server集成，所以MSDN是另一個開始的好地方。

RTSP協議基於會話，每個會話由一個唯一的URL標識。會話將始終具有一個或多個演示流（例如音頻，視頻，字幕......）。演示文稿流由附加的「a：control = ...」後綴標識在會話本身的URL上。

某些命令在會話級別運行，其他命令可用於表示流，某些命令可能會執行任一操作。 SETUP命令僅適用於演示文稿流，因此您正在嘗試訪問會話時收到錯誤。每個演示流最終都會在它自己的RTP流上，並且它們必須單獨設置。

所以你的情況，如果你想視頻流，你應該發送：

SETUP rtsp://xxx.xxx.xxx.xxx:554/racecar_300.wmv/video RTSP/1.0