rtp/rtsp over http的学习

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。

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:
T1BUSU9OUyBydHNwOi8vMTI3LjAuMC4xL3NsYW10djYwLjI2NCBSVFNQLzEuMA0KQ1NlcTogMg0KVXNlci1BZ2VudDogLi9vcGVuUlRTUCAoTElWRTU1NSBTdHJlYW1pbmcgTWVkaWEgdjIwMTEuMDMuMTQpDQoNCg==

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:
REVTQ1JJQkUgcnRzcDovLzEyNy4wLjAuMS9zbGFtdHY2MC4yNjQgUlRTUC8xLjANCkNTZXE6IDMNClVzZXItQWdlbnQ6IC4vb3BlblJUU1AgKExJVkU1NTUgU3RyZWFtaW5nIE1lZGlhIHYyMDExLjAzLjE0KQ0KQWNjZXB0OiBhcHBsaWNhdGlvbi9zZHANCg0K

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:
U0VUVVAgcnRzcDovLzEyNy4wLjAuMS9zbGFtdHY2MC4yNjQvdHJhY2sxIFJUU1AvMS4wDQpDU2VxOiA0DQpVc2VyLUFnZW50OiAuL29wZW5SVFNQIChMSVZFNTU1IFN0cmVhbWluZyBNZWRpYSB2MjAxMS4wMy4xNCkNClRyYW5zcG9ydDogUlRQL0FWUC9UQ1A7dW5pY2FzdDtpbnRlcmxlYXZlZD0wLTENCg0K

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:
UExBWSBydHNwOi8vMTI3LjAuMC4xL3NsYW10djYwLjI2NC8gUlRTUC8xLjANCkNTZXE6IDUNClVzZXItQWdlbnQ6IC4vb3BlblJUU1AgKExJVkU1NTUgU3RyZWFtaW5nIE1lZGlhIHYyMDExLjAzLjE0KQ0KU2Vzc2lvbjogNTU3NjYzQzcNClJhbmdlOiBucHQ9MC4wMDAtDQoNCg==

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:
VEVBUkRPV04gcnRzcDovLzEyNy4wLjAuMS9zbGFtdHY2MC4yNjQvIFJUU1AvMS4wDQpDU2VxOiA2DQpVc2VyLUFnZW50OiAuL29wZW5SVFNQIChMSVZFNTU1IFN0cmVhbWluZyBNZWRpYSB2MjAxMS4wMy4xNCkNClNlc3Npb246IDU1NzY2M0M3DQoNCg==

Received a complete TEARDOWN response:

RTSP/1.0 200 OK
CSeq: 6
Date: Wed, Apr 13 2011 07:16:54 GMT

mediaserver的打印信息如下：

rtRTSPClientSession[0x8f05890]::handleRequestBytes() read 224 new bytes:<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /> 

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

RTSPClientSession[0x8f0a800]::handleRequestBytes() read 457 new bytes:

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

T1BUSU9OUyBydHNwOi8vMTI3LjAuMC4xL3NsYW10djYwLjI2NCBSVFNQLzEuMA0KQ1N
lcTogMg0KVXNlci1BZ2VudDogLi9vcGVuUlRTUCAoTElWRTU1NSBTdHJlYW1pbmcgTWVka
WEgdjIwMTEuMDMuMTQpDQoNCg==

RTSPClientSession[0x8f05890]::handleRequestBytes() read 164 new bytes:
T1BUSU9OUyBydHNwOi8vMTI3LjAuMC4xL3NsYW10djYwLjI2NCBSVFNQLzEuMA0KQ1Nl
cTogMg0KVXNlci1BZ2VudDogLi9vcGVuUlRTUCAoTElWRTU1NSBTdHJlYW1pbmcgTWVkaW
EgdjIwMTEuMDMuMTQpDQoNCg==

RTSPClientSession[0x8f05890]::handleRequestBytes() read 196 new bytes:

REVTQ1JJQkUgcnRzcDovLzEyNy4wLjAuMS9zbGFtdHY2MC4yNjQgUlRTUC8xLjANCkNTZX
E6IDMNClVzZXItQWdlbnQ6IC4vb3BlblJUU1AgKExJVkU1NTUgU3RyZWFtaW5nIE1lZGlhIHYy
MDExLjAzLjE0KQ0KQWNjZXB0OiBhcHBsaWNhdGlvbi9zZHANCg0K

RTSPClientSession[0x8f05890]::handleRequestBytes() read 232 new bytes:
U0VUVVAgcnRzcDovLzEyNy4wLjAuMS9zbGFtdHY2MC4yNjQvdHJhY2sxIFJUU1AvMS4wDQp
DU2VxOiA0DQpVc2VyLUFnZW50OiAuL29wZW5SVFNQIChMSVZFNTU1IFN0cmVhbWluZyBN
ZWRpYSB2MjAxMS4wMy4xNCkNClRyYW5zcG9ydDogUlRQL0FWUC9UQ1A7dW5pY2FzdDtpb
nRlcmxlYXZlZD0wLTENCg0K

RTSPClientSession[0x8f05890]::handleRequestBytes() read 212 new bytes:
UExBWSBydHNwOi8vMTI3LjAuMC4xL3NsYW10djYwLjI2NC8gUlRTUC8xLjANCkNTZXE6IDU
NClVzZXItQWdlbnQ6IC4vb3BlblJUU1AgKExJVkU1NTUgU3RyZWFtaW5nIE1lZGlhIHYyMDExLjA
zLjE0KQ0KU2Vzc2lvbjogNTU3NjYzQzcNClJhbmdlOiBucHQ9MC4wMDAtDQoNCg==

RTSPClientSession[0x8f05890]::handleRequestBytes() read 192 new bytes:
VEVBUkRPV04gcnRzcDovLzEyNy4wLjAuMS9zbGFtdHY2MC4yNjQvIFJUU1AvMS4wDQpDU2VxO
iA2DQpVc2VyLUFnZW50OiAuL29wZW5SVFNQIChMSVZFNTU1IFN0cmVhbWluZyBNZWRpYSB2
MjAxMS4wMy4xNCkNClNlc3Npb246IDU1NzY2M0M3DQoNCg==

完！

2012年5月