rtsp流媒体协议 流媒体协议RTSP、HTTP、HTTPS、SDP四种区别解析(2)

Accept: application/sdp

W->C: HTTP/1.0 200 OK

Content-Type: application/sdp

v=0

o=- 2890844526 2890842807 IN IP4 192.16.24.202

s=RTSP Session

m=audio 0 RTP/P 0

a=control:rtsp://audio.com/twister/audio.en

m=video 0 RTP/P 31

a=control:rtsp://video.com/twister/video

SETUP过程：

C->A（audio）: SETUP rtsp://audio.com/twister/audio.en RTSP/1.0

CSeq: 1

Transport: RTP/P/UDP;unicast

;client_port=3056-3057

A->C: RTSP/1.0 200 OK

CSeq: 1

Session: 12345678

Transport: RTP/P/UDP;unicast

;client_port=3056-3057;

;server_port=5000-5001

C->V（video）: SETUP rtsp://video.com/twister/video RTSP/1.0

CSeq: 1

Transport: RTP/P/UDP;unicast

;client_port=3058-3059

V->C: RTSP/1.0 200 OK

CSeq: 1

Session: 23456789

Transport: RTP/P/UDP;unicast

;client_port=3058-3059

;server_port=5002-5003

PLAY 过程：

C->V: PLAY rtsp://video.com/twister/video RTSP/1.0

CSeq: 2

Session: 23456789

Range: smpte=0:10:00-

V->C: RTSP/1.0 200 OK

CSeq: 2

Session: 23456789

Range: smpte=0:10:00-0:20:00

RTP-Info: url=rtsp://video.com/twister/video

;seq=12312232;rtptime=78712811

C->A: PLAY rtsp://audio.com/twister/audio.en RTSP/1.0

CSeq: 2

Session: 12345678

Range: smpte=0:10:00-

A->C: RTSP/1.0 200 OK

CSeq: 2

Session: 12345678

Range: smpte=0:10:00-0:20:00

RTP-Info: url=rtsp://audio.com/twister/audio.en

;seq=876655;rtptime=1032181

close 过程：

C->A: TEARDOWN rtsp://audio.com/twister/audio.en RTSP/1.0

CSeq: 3

Session: 12345678

A->C: RTSP/1.0 200 OK

CSeq: 3

C->V: TEARDOWN rtsp://video.com/twister/video RTSP/1.0

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