Is this intended, or is it somehow server dependent?
I don't know. Please show the complete RTSP protocol exchange for each case, so I can try to figure out what's happening. I've attached the protocol exchange for the following example: 1. Start up an archive stream without any timestamp. PLAY rtsp://192.168.1.103/archive/TVF-01a/ RTSP/1.0 2. Seek in that stream. Range: clock=20130322T200000.000Z- 3. And then, after teardown, start up the same stream with the same seek-time. PLAY rtsp://192.168.1.103/archive/TVF-01a/ RTSP/1.0 Range: clock=20130322T200000.000Z- The response to #2: Range: clock=20130322T200000Z-20130322T204538Z The PLAY- response to #3: Range: clock=20130320T203757Z-20130322T204804Z So, if I interpret this correctly it's the Cisco server that is inconsistent. I don't see any specific examples of this in the RFC2326, but appears like an error to me. Please comment. /Claes
Opening connection to 192.168.1.103, port 554... ...remote connection opened Sending request: DESCRIBE rtsp://192.168.1.103/archive/TVF-01a RTSP/1.0 CSeq: 2 User-Agent: Arinc RTSP DLL (LIVE555 Streaming Media v2013.03.07) Accept: application/sdp Received 512 new bytes of response data. Received a complete DESCRIBE response: RTSP/1.0 200 OK CSeq: 2 Content-Base: rtsp://192.168.1.103/archive/TVF-01a/ Content-Type: application/sdp Content-Length: 379 v=0 o=- 15345806154308539295 15345806154308539295 IN IP4 192.168.1.101 s=Cisco Media Streaming Session e=NONE c=IN IP4 192.168.1.101 b=AS:512 t=0 0 a=control:* a=range:clock=20130320T203757.046Z- m=video 0 RTP/AVP 26 a=rtpmap:26 JPEG/90000 a=fmtp:26 width=704;height=480;4CIF=1 a=framerate:15.07 a=range:npt=0.0- a=control:rtsp://192.168.1.103/archive/TVF-01a Sending request: SETUP rtsp://192.168.1.103/archive/TVF-01a RTSP/1.0 CSeq: 3 User-Agent: Arinc RTSP DLL (LIVE555 Streaming Media v2013.03.07) Transport: RTP/AVP;unicast;client_port=57048-57049 Received 163 new bytes of response data. Received a complete SETUP response: RTSP/1.0 200 OK CSeq: 3 Session: 1341378127;timeout=300 Transport: RTP/AVP;unicast;client_port=57048-57049;server_port=43474-43475;mode="PLAY";ssrc=23439826 Sending request: PLAY rtsp://192.168.1.103/archive/TVF-01a/ RTSP/1.0 CSeq: 4 User-Agent: Arinc RTSP DLL (LIVE555 Streaming Media v2013.03.07) Session: 1341378127 Range: clock=- Received 161 new bytes of response data. Received a complete PLAY response: RTSP/1.0 200 OK CSeq: 4 Session: 1341378127 RTP-Info: url=rtsp://192.168.1.103/archive/TVF-01a;seqno=64052 Range: clock=20130320T203757Z-20130322T204524Z Sending request: PLAY rtsp://192.168.1.103/archive/TVF-01a/ RTSP/1.0 CSeq: 5 User-Agent: Arinc RTSP DLL (LIVE555 Streaming Media v2013.03.07) Session: 1341378127 Range: clock=20130322T200000.000Z- Received 160 new bytes of response data. Received a complete PLAY response: RTSP/1.0 200 OK CSeq: 5 Session: 1341378127 RTP-Info: url=rtsp://192.168.1.103/archive/TVF-01a;seqno=3575 Range: clock=20130322T200000Z-20130322T204538Z Sending request: TEARDOWN rtsp://192.168.1.103/archive/TVF-01a/ RTSP/1.0 CSeq: 6 User-Agent: Arinc RTSP DLL (LIVE555 Streaming Media v2013.03.07) Session: 1341378127 Received 49 new bytes of response data. Received a complete TEARDOWN response: RTSP/1.0 200 OK CSeq: 6 Session: 1341378127 Opening connection to 192.168.1.103, port 554... ...remote connection opened Sending request: DESCRIBE rtsp://192.168.1.103/archive/TVF-01a RTSP/1.0 CSeq: 2 User-Agent: Arinc RTSP DLL (LIVE555 Streaming Media v2013.03.07) Accept: application/sdp Received 512 new bytes of response data. Received a complete DESCRIBE response: RTSP/1.0 200 OK CSeq: 2 Content-Base: rtsp://192.168.1.103/archive/TVF-01a/ Content-Type: application/sdp Content-Length: 379 v=0 o=- 15345806840033074925 15345806840033074925 IN IP4 192.168.1.101 s=Cisco Media Streaming Session e=NONE c=IN IP4 192.168.1.101 b=AS:512 t=0 0 a=control:* a=range:clock=20130320T203757.046Z- m=video 0 RTP/AVP 26 a=rtpmap:26 JPEG/90000 a=fmtp:26 width=704;height=480;4CIF=1 a=framerate:15.07 a=range:npt=0.0- a=control:rtsp://192.168.1.103/archive/TVF-01a Sending request: SETUP rtsp://192.168.1.103/archive/TVF-01a RTSP/1.0 CSeq: 3 User-Agent: Arinc RTSP DLL (LIVE555 Streaming Media v2013.03.07) Transport: RTP/AVP;unicast;client_port=57054-57055 Received 163 new bytes of response data. Received a complete SETUP response: RTSP/1.0 200 OK CSeq: 3 Session: 1341378343;timeout=300 Transport: RTP/AVP;unicast;client_port=57054-57055;server_port=51424-51425;mode="PLAY";ssrc=23447776 Sending request: PLAY rtsp://192.168.1.103/archive/TVF-01a/ RTSP/1.0 CSeq: 4 User-Agent: Arinc RTSP DLL (LIVE555 Streaming Media v2013.03.07) Session: 1341378343 Range: clock=20130322T200000.000Z- Received 161 new bytes of response data. Received a complete PLAY response: RTSP/1.0 200 OK CSeq: 4 Session: 1341378343 RTP-Info: url=rtsp://192.168.1.103/archive/TVF-01a;seqno=26682 Range: clock=20130320T203757Z-20130322T204804Z Sending request: TEARDOWN rtsp://192.168.1.103/archive/TVF-01a/ RTSP/1.0 CSeq: 5 User-Agent: Arinc RTSP DLL (LIVE555 Streaming Media v2013.03.07) Session: 1341378343 Received 49 new bytes of response data. Received a complete TEARDOWN response: RTSP/1.0 200 OK CSeq: 5 Session: 1341378343
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