Onvif streaming media playback process

Live55 PLAYER:

RTSP: // 192.168.1.120: 554/SNL/live/1/3

Click the play button:

First time:

Options rtsp: // 192.168.1.120: 554/SNL/live/1/3 RTSP/1.0

CSeq: 2 User-Agent: libvlc/2.1.3 (live555 streaming media v2014.01.21)

 

RTSP/1.0 200 OK

CSeq: 2

Date: Tue, Jul 22 2014 08:38:20 GMT

Public: Describe, pause, play, setup, teardown, options, set_parameter

 

Second:

Describe rtsp: // 192.168.1.120: 554/SNL/live/1/3 RTSP/1.0

CSeq: 3

User-Agent: libvlc/2.1.3 (live555 streaming media v2014.01.21)

Accept: Application/SDP

 

RTSP/1.0 200 OK

CSeq: 3

User-Agent: nvt

Content-Type: Application/SDP

Content-Length: 405

Content-base: rtsp: // 192.168.1.120/SNL/live/1/3/

V = 0 o = admin 38503 38504 in ip4 192.168.1.120

S = nvt I = from nvt c = in ip4 192.168.1.120

T = 0 0 A = range: Treaty = now-

A = control: rtsp: // 192.168.1.120/SNL/live/1/3/

M = video 0 RTP/AVP 26

B = as: 0

A = rtpmap: 26 JPEG/90000

A = framesize: 26 1280-960

A = framerate: 4.0

A = control: trackID = 0

A = recvonly M = audio 0 RTP/AVP 0

A = rtpmap: 0 PCMU/8000

A = fmtp: 0

Octet-align = 1;

Decode_buf = 400

A = control: trackID = 1 A = recvonly

 

Third time:

Setup rtsp: // 192.168.1.120/SNL/live/1/3/trackID = 0 RTSP/1.0

CSeq: 4

User-Agent: libvlc/2.1.3 (live555 streaming media v2014.01.21)

Transport: RTP/AVP; unicast; client_port = 57764-57765

 

RTSP/1.0 200 OK

CSeq: 4 Date: Tue, Jul 22 2014 08:38:20 GMT

User-Agent: nvt

Session: 2721006597;

Timeout = 60

Transport: RTP/AVP;

Unicast;

Client_port = 57764-57765;

Server_port = 2078-2079;

SSRC = 32974f77;

Mode = play

 

Fourth:

Setup rtsp: // 192.168.1.120/SNL/live/1/3/trackID = 1 RTSP/1.0

CSeq: 5

User-Agent: libvlc/2.1.3 (live555 streaming media v2014.01.21)

Transport: RTP/AVP; unicast; client_port = 57766-57767

Session: 2721006597

 

RTSP/1.0 200 OK

CSeq: 5 Date: Tue, Jul 22 2014 08:38:20 GMT

User-Agent: nvt

Session: 2721006597;

Timeout = 60 transport:

RTP/AVP; unicast;

Client_port = 57766-57767;

Server_port = 2080-2081; SSRC = 32974f77;

Mode = play

 

Fifth:

Play rtsp: // 192.168.1.120/SNL/live/1/3/RTSP/1.0

CSeq: 6

User-Agent: libvlc/2.1.3 (live555 streaming media v2014.01.21)

Session: 2721006597

Range: Treaty = 0.000-

 

RTSP/1.0 200 OK

CSeq: 6

Date: Tue, Jul 22 2014 08:38:20 GMT

User-Agent: nvt RTP-Info:

Url = rtsp: // 192.168.1.120/SNL/live/1/3 // trackID = 0, url = rtsp: // 192.168.1.120/SNL/live/1/3 // tracki

D = 1 range: Treaty = now-session: 2721006597

Sixth:

Teardown rtsp: // 192.168.1.120/SNL/live/1/3/RTSP/1.0

CSeq: 7

User-Agent: libvlc/2.1.3 (live555 streaming media v2014.01.21)

Session: 2721006597

 

RTSP/1.0 200 OK

CSeq: 7 Date: Tue, Jul 22 2014 08:41:52 GMT

User-Agent: nvt