要做rtp/rtsp over http, 我对http也有点了解, 以前也做过rtp/rtsp over tcp/udp传输264视频流, 但刚开始还是没有一点思路,想着把http和rtp等联系到一起, 网上这方面的资料太少, 最后实在找不到想要的资料, 于是用开源的live555工程模拟了一个数据的交互过程, 相信对要做这方面的人有很大的帮助, 至少对于我, 呵呵。 下面是交互的过程:
客户端用openrtsp来模拟, 服务器用mediaserver来模拟(黄色字体表示接收到的, 红色表示发送出去的)。
openrtsp的打印信息如下:
[root@www testProgs]# ./openRTSP -F first_ -T 80 rtsp://127.0.0.1/slamtv60.264
Opening connection to 127.0.0.1, port 80...
...remote connection opened
Requesting RTSP-over-HTTP tunneling (on port 80)
<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />
Sending request:
GET /slamtv60.264 HTTP/1.0
CSeq: 1
User-Agent: ./openRTSP (LIVE555 Streaming Media v2011.03.14)
x-sessioncookie: 754a0e506e8401d33572619
Accept: application/x-rtsp-tunnelled
Pragma: no-cache
Cache-Control: no-cache
Received 143 new bytes of response data.
Received a complete GET response:
HTTP/1.0 200 OK
Date: Thu, 19 Aug 1982 18:30:00 GMT
Cache-Control: no-cache
Pragma: no-cache
Content-Type: application/x-rtsp-tunnelled
Opening connection to 127.0.0.1, port 80...
...remote connection opened
Sending request:
POST /slamtv60.264 HTTP/1.0
CSeq: 1
User-Agent: ./openRTSP (LIVE555 Streaming Media v2011.03.14)
x-sessioncookie: 754a0e506e8401d33572619
Content-Type: application/x-rtsp-tunnelled
Pragma: no-cache
Cache-Control: no-cache
Content-Length: 32767
Expires: Sun, 9 Jan 1972 00:00:00 GMT
Sending request:
OPTIONS rtsp://127.0.0.1/slamtv60.264 RTSP/1.0
CSeq: 2
User-Agent: ./openRTSP (LIVE555 Streaming Media v2011.03.14)
The request was base-64 encoded to:
T1BUSU9OUyBydHNwOi8vMTI3LjAuMC4xL3NsYW10djY
wLjI2NCBSVFNQLzEuMA0KQ1NlcTogMg0KVXNlci1BZ2V
udDogLi9vcGVuUlRTUCAoTElWRTU1NSBTdHJlYW1pb
mcgTWVkaWEgdjIwMTEuMDMuMTQpDQoNCg==
Received 152 new bytes of response data.
Received a complete OPTIONS response:
RTSP/1.0 200 OK
CSeq: 2
Date: Wed, Apr 13 2011 07:15:56 GMT
Public: OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE, GET_PARAMETER, SET_PARAMETER
Sending request:
DESCRIBE rtsp://127.0.0.1/slamtv60.264 RTSP/1.0
CSeq: 3
User-Agent: ./openRTSP (LIVE555 Streaming Media v2011.03.14)
Accept: application/sdp
The request was base-64 encoded to:
REVTQ1JJQkUgcnRzcDovLzEyNy4wLjAuMS9zbGFtdH
Y2MC4yNjQgUlRTUC8xLjANCkNTZXE6IDMNClVzZXItQ
WdlbnQ6IC4vb3BlblJUU1AgKExJVkU1NTUgU3RyZWF
taW5nIE1lZGlhIHYyMDExLjAzLjE0KQ0KQWNjZXB0Oi
BhcHBsaWNhdGlvbi9zZHANCg0K
Received 689 new bytes of response data.
Received a complete DESCRIBE response:
RTSP/1.0 200 OK
CSeq: 3
Date: Wed, Apr 13 2011 07:15:56 GMT
Content-Base: rtsp://127.0.0.1/slamtv60.264/
Content-Type: application/sdp
Content-Length: 526
v=0
o=- 1302678956100984 1 IN IP4 192.168.77.111
s=H.264 Video, streamed by the LIVE555 Media Server
i=slamtv60.264
t=0 0
a=tool:LIVE555 Streaming Media v2011.03.14
a=type:broadcast
a=control:*
a=range:npt=0-
a=x-qt-text-nam:H.264 Video, streamed by the LIVE555 Media Server
a=x-qt-text-inf:slamtv60.264
m=video 0 RTP/AVP 96
c=IN IP4 <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><?xml:namespace prefix = st1 /><?xml:namespace prefix = st1 />0.0.0.0
b=AS:500
a=rtpmap:96 H264/90000
a=fmtp:96 packetization-mode=1;profile-level-id=4D4033;sprop-parameter-sets=Z01AM5JUDAS0IAAAAwBAAAAM0eMGVA==,aO48gA==
a=control:track1
Opened URL "rtsp://127.0.0.1/slamtv60.264", returning a SDP description:
v=0
o=- 1302678956100984 1 IN IP4 192.168.77.111
s=H.264 Video, streamed by the LIVE555 Media Server
i=slamtv60.264
t=0 0
a=tool:LIVE555 Streaming Media v2011.03.14
a=type:broadcast
a=control:*
a=range:npt=0-
a=x-qt-text-nam:H.264 Video, streamed by the LIVE555 Media Server
a=x-qt-text-inf:slamtv60.264
m=video 0 RTP/AVP 96
c=IN IP4 0.0.0.0
b=AS:500
a=rtpmap:96 H264/90000
a=fmtp:96 packetization-mode=1;profile-level-id=4D4033;sprop-parameter-sets=Z01AM5JUDAS0IAAAAwBAAAAM0eMGVA==,aO48gA==
a=control:track1
Created receiver for "video/H264" subsession (client ports 50736-50737)
Sending request:
SETUP rtsp://127.0.0.1/slamtv60.264/track1 RTSP/1.0
CSeq: 4
User-Agent: ./openRTSP (LIVE555 Streaming Media v2011.03.14)
Transport: RTP/AVP/TCP;unicast;interleaved=0-1
The request was base-64 encoded to:
U0VUVVAgcnRzcDovLzEyNy4wLjAuMS9zbGFtdHY2MC4y
NjQvdHJhY2sxIFJUU1AvMS4wDQpDU2VxOiA0DQpVc2Vy
LUFnZW50OiAuL29wZW5SVFNQIChMSVZFNTU1IFN0cm
VhbWluZyBNZWRpYSB2MjAxMS4wMy4xNCkNClRyYW5zc
G9ydDogUlRQL0FWUC9UQ1A7dW5pY2FzdDtpbnRlcmxl
YXZlZD0wLTENCg0K
Received 171 new bytes of response data.
Received a complete SETUP response:
RTSP/1.0 200 OK
CSeq: 4
Date: Wed, Apr 13 2011 07:15:56 GMT
Transport: RTP/AVP/TCP;unicast;destination=127.0.0.1;source=127.0.0.1;interleaved=0-1
Session: 557663C7
Setup "video/H264" subsession (client ports 50736-50737)
Created output file: "first_video-H264-1"
Sending request:
PLAY rtsp://127.0.0.1/slamtv60.264/ RTSP/1.0
CSeq: 5
User-Agent: ./openRTSP (LIVE555 Streaming Media v2011.03.14)
Session: 557663C7
Range: npt=0.000-
The request was base-64 encoded to:
UExBWSBydHNwOi8vMTI3LjAuMC4xL3NsYW10djYwL
jI2NC8gUlRTUC8xLjANCkNTZXE6IDUNClVzZXItQWdlb
nQ6IC4vb3BlblJUU1AgKExJVkU1NTUgU3RyZWFtaW5
nIE1lZGlhIHYyMDExLjAzLjE0KQ0KU2Vzc2lvbjogNTU3
NjYzQzcNClJhbmdlOiBucHQ9MC4wMDAtDQoNCg==
Received a complete PLAY response:
RTSP/1.0 200 OK
CSeq: 5
Date: Wed, Apr 13 2011 07:15:56 GMT
Range: npt=0.000-
Session: 557663C7
RTP-Info: url=rtsp://127.0.0.1/slamtv60.264/track1;seq=8747;rtptime=3741659354
Started playing session
Receiving streamed data (signal with "kill -HUP 6196" or "kill -USR1 6196" to terminate)...
Received RTCP "BYE" on "video/H264" subsession (after 58 seconds)
Sending request:
TEARDOWN rtsp://127.0.0.1/slamtv60.264/ RTSP/1.0
CSeq: 6
User-Agent: ./openRTSP (LIVE555 Streaming Media v2011.03.14)
Session: 557663C7
The request was base-64 encoded to:
VEVBUkRPV04gcnRzcDovLzEyNy4wLjAuMS9zbGFtdHY2M
C4yNjQvIFJUU1AvMS4wDQpDU2VxOiA2DQpVc2VyLUFnZ
W50OiAuL29wZW5SVFNQIChMSVZFNTU1IFN0cmVhbWlu
ZyBNZWRpYSB2MjAxMS4wMy4xNCkNClNlc3Npb246IDU1N
zY2M0M3DQoNCg==
Received a complete TEARDOWN response:
RTSP/1.0 200 OK
CSeq: 6
Date: Wed, Apr 13 2011 07:16:54 GMT
(zqf_office)