rtsp,为什么第二个命令总是失败
为什么第二个命令总是失败,如果我先发DESCRIBE,后发OPTIONS,则DESCRIBE成功,OPTIONS失败,哪个后发哪个失败,提示都是RTSP/1.0 400 Bad Request。而且CSeq为空,而不是2,这是为什么?
---------Sending OPTIONS---------
OPTIONS * RTSP/1.0
CSeq: 1
Require: implicit-play
Proxy-Require: gzipped-messages
183 bytes received
RTSP/1.0 200 OK
Server: DSS/5.5.5 (Build/489.16; Platform/Win32; Release/Darwin; state/beta; )
Cseq: 1
Public: DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE, OPTIONS, ANNOUNCE, RECORD
---------Sending DESCRIBE ---------
DESCRIBE rtsp://198.168.53.34:554/a.mp4 RTSP/1.0
CSeq: 2
Accept: application/sdp
135 bytes received
RTSP/1.0 400 Bad Request
Server: DSS/5.5.5 (Build/489.16; Platform/Win32; Release/Darwin; state/beta; )
Cseq:
Connection: Close