[Live-devel] problem using openRTSP

Thu May 12 04:55:26 PDT 2011

Hello, I'm using openRTSP under Linux
I'm capturing H264 stream from axis camera:

openRTSP -d 20 -4 -f 3 -w 640 -h 480 -b 400000
"rtsp://10.10.1.61/axis-media/media.amp?compression=35&fps=3" >video.avi
sometimes the video is grey

the output on the shell is:
************************************************************************
************************************************************************
**********************************
Sending request: OPTIONS
rtsp://10.10.1.61/axis-media/media.amp?compression=35&fps=3 RTSP/1.0
CSeq: 1
User-Agent: openRTSP (LIVE555 Streaming Media v2010.04.09)

Received OPTIONS response: RTSP/1.0 200 OK
CSeq: 1
Public: DESCRIBE, GET_PARAMETER, PAUSE, PLAY, SETUP, SET_PARAMETER,
TEARDOWN
Date: Thu, 12 May 2011 11:50:57 GMT

Sending request: DESCRIBE
rtsp://10.10.1.61/axis-media/media.amp?compression=35&fps=3 RTSP/1.0
CSeq: 2
Accept: application/sdp
User-Agent: openRTSP (LIVE555 Streaming Media v2010.04.09)

Received DESCRIBE response: RTSP/1.0 200 OK
CSeq: 2
Content-Type: application/sdp
Content-Base: rtsp://10.10.1.61/axis-media/media.amp/
Date: Thu, 12 May 2011 11:50:57 GMT
Content-Length: 496

Need to read 496 extra bytes
Read 496 extra bytes: v=0
o=- 1305201057626077 1305201057626077 IN IP4 10.10.1.61
s=Media Presentation
e=NONE
c=IN IP4 0.0.0.0
b=AS:50000
t=0 0
a=control:rtsp://10.10.1.61/axis-media/media.amp?compression=35&fps=3
a=range:npt=0.000000-
m=video 0 RTP/AVP 96
b=AS:50000
a=framerate:3.0
a=control:rtsp://10.10.1.61/axis-media/media.amp/trackID=1?compression=3
5&fps=3
a=rtpmap:96 H264/90000
a=fmtp:96 packetization-mode=1; profile-level-id=420029;
sprop-parameter-sets=Z0IAKeKQGQJvy4C3AQEBpB4kRUA=,aM48gA==

Opened URL
"rtsp://10.10.1.61/axis-media/media.amp?compression=35&fps=3", returning
a SDP description:
v=0
o=- 1305201057626077 1305201057626077 IN IP4 10.10.1.61
s=Media Presentation
e=NONE
c=IN IP4 0.0.0.0
b=AS:50000
t=0 0
a=control:rtsp://10.10.1.61/axis-media/media.amp?compression=35&fps=3
a=range:npt=0.000000-
m=video 0 RTP/AVP 96
b=AS:50000
a=framerate:3.0
a=control:rtsp://10.10.1.61/axis-media/media.amp/trackID=1?compression=3
5&fps=3
a=rtpmap:96 H264/90000
a=fmtp:96 packetization-mode=1; profile-level-id=420029;
sprop-parameter-sets=Z0IAKeKQGQJvy4C3AQEBpB4kRUA=,aM48gA==

Created receiver for "video/H264" subsession (client ports 55386-55387)
Sending request: SETUP
rtsp://10.10.1.61/axis-media/media.amp/trackID=1?compression=35&fps=3
RTSP/1.0
CSeq: 3
Transport: RTP/AVP;unicast;client_port=55386-55387
User-Agent: openRTSP (LIVE555 Streaming Media v2010.04.09)

Received SETUP response: RTSP/1.0 200 OK
CSeq: 3
Session: 9D3B4ABC; timeout=60
Transport:
RTP/AVP;unicast;client_port=55386-55387;server_port=50804-50805;ssrc=7BD
D6747;mode="PLAY"
Date: Thu, 12 May 2011 11:50:57 GMT

Setup "video/H264" subsession (client ports 55386-55387)
Sending request: PLAY
rtsp://10.10.1.61/axis-media/media.amp?compression=35&fps=3 RTSP/1.0
CSeq: 4
Session: 9D3B4ABC
Range: npt=0.000-10.000
User-Agent: openRTSP (LIVE555 Streaming Media v2010.04.09)

Received PLAY response: RTSP/1.0 200 OK
CSeq: 4
Session: 9D3B4ABC
Range: npt=0.145443-
RTP-Info:
url=rtsp://10.10.1.61/axis-media/media.amp/trackID=1?compression=35&fps=
3;seq=27911;rtptime=588695951
Date: Thu, 12 May 2011 11:50:57 GMT

Started playing session
Receiving streamed data (for up to 10.000000 seconds)...

Sending request: TEARDOWN
rtsp://10.10.1.61/axis-media/media.amp?compression=35&fps=3 RTSP/1.0
CSeq: 5
Session: 9D3B4ABC
User-Agent: openRTSP (LIVE555 Streaming Media v2010.04.09)

Received TEARDOWN response: RTSP/1.0 200 OK
CSeq: 5
Session: 9D3B4ABC
Date: Thu, 12 May 2011 11:51:07 GMT
************************************************************************
************************************************************************
**********
Is there something wrong?

thank you
Gianluigi

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