RTSP 抓包分析

记录 wireshark 抓包记录

1. OPTION
   询问 Server 有哪些方法可用

   request:

   Request: OPTIONS rtsp://192.168.1.65:554/h264/ch1/main/av_stream RTSP/1.0\r\n
   CSeq: 1\r\n
   User-Agent: Lavf58.45.100\r\n
   \r\n
   

   response:

   Response: RTSP/1.0 200 OK\r\n
   CSeq: 1\r\n
   Public: OPTIONS, DESCRIBE, PLAY, PAUSE, SETUP, TEARDOWN, SET_PARAMETER, GET_PARAMETER\r\n
   Date:  Tue, Nov 24 2020 15:03:17 GMT\r\n
   \r\n
   

2. DESCRIBE
   获取会话描述信息 (SDP)

   request:

   Request: DESCRIBE rtsp://192.168.1.65:554/h264/ch1/main/av_stream RTSP/1.0\r\n
   Accept: application/sdp\r\n
   CSeq: 2\r\n
   User-Agent: Lavf58.45.100\r\n
   \r\n
   

   response:

   Response: RTSP/1.0 401 Unauthorized\r\n
   CSeq: 2\r\n
   WWW-Authenticate: Digest realm="IP Camera(E6565)", nonce="8a9aab14b3789e63777eb65b431af847", stale="FALSE"\r\n
   Date:  Tue, Nov 24 2020 15:03:17 GMT\r\n
   \r\n
   

   request:

   Request: DESCRIBE rtsp://192.168.1.65:554/h264/ch1/main/av_stream RTSP/1.0\r\n
   Accept: application/sdp\r\n
   CSeq: 3\r\n
   User-Agent: Lavf58.45.100\r\n
   Authorization: Digest username="admin", realm="IP Camera(E6565)", nonce="8a9aab14b3789e63777eb65b431af847", uri="rtsp://192.168.1.65:554/h264/ch1/main/av_stream", response="eba3d573fa7b80f273120f5da1f7413e"\r\n
   \r\n
   

   response:

   RTSP/1.0 200 OK\r\n
   CSeq: 3\r\n
   Content-type: application/sdp
   Content-Base: rtsp://192.168.1.65:554/h264/ch1/main/av_stream/\r\n
   Content-length: 600
   \r\n
   Session Description Protocol
       Session Description Protocol Version (v): 0
       Owner/Creator, Session Id (o): - 1606230197063842 1606230197063842 IN IP4 192.168.1.65
       Session Name (s): Media Presentation
       E-mail Address (e): NONE
       Bandwidth Information (b): AS:5050
       Time Description, active time (t): 0 0
       Session Attribute (a): control:rtsp://192.168.1.65:554/h264/ch1/main/av_stream/
       Media Description, name and address (m): video 0 RTP/AVP 96
       Connection Information (c): IN IP4 0.0.0.0
       Bandwidth Information (b): AS:5000
       Media Attribute (a): recvonly
       Media Attribute (a): x-dimensions:1280,720
       Media Attribute (a): control:rtsp://192.168.1.65:554/h264/ch1/main/av_stream/trackID=1
       Media Attribute (a): rtpmap:96 H264/90000
       Media Attribute (a): fmtp:96 profile-level-id=420029; packetization-mode=1; sprop-parameter-sets=Z00AH5Y1wKALdNwEBAUAAAcIAAFfkAQ=,aO4xsg==
       Media Attribute (a): Media_header:MEDIAINFO=494D4B48010300000400000100000000000000000000000000000000000000000000000000000000;
       Media Attribute (a): appversion:1.0
   

3. SETUP
   建立会话

   request:

   SETUP rtsp://192.168.1.65:554/h264/ch1/main/av_stream/trackID=1 RTSP/1.0\r\n
   Transport: RTP/AVP/UDP;unicast;client_port=20608-20609
   CSeq: 4\r\n
   User-Agent: Lavf58.45.100\r\n
   Authorization: Digest username="admin", realm="IP Camera(E6565)", nonce="8a9aab14b3789e63777eb65b431af847", uri="rtsp://192.168.1.65:554/h264/ch1/main/av_stream/trackID=1", response="d9bd735cc80cd7a66c8d12f1fee75620"\r\n
   \r\n
   

   response:

   RTSP/1.0 200 OK\r\n
   CSeq: 4\r\n
   Session: 1662328301;timeout=60
   Transport: RTP/AVP/UDP;unicast;client_port=20608-20609;server_port=8216-8217;ssrc=4b2301c0;mode="play"
   Date:  Tue, Nov 24 2020 15:03:17 GMT\r\n
   \r\n
   

4. PLAY
   播放请求

   request:

   PLAY rtsp://192.168.1.65:554/h264/ch1/main/av_stream/ RTSP/1.0\r\n
   Range: npt=0.000-\r\n
   CSeq: 5\r\n
   User-Agent: Lavf58.45.100\r\n
   Session: 1662328301
   Authorization: Digest username="admin", realm="IP Camera(E6565)", nonce="8a9aab14b3789e63777eb65b431af847", uri="rtsp://192.168.1.65:554/h264/ch1/main/av_stream/", response="e7188ba85ae681178942f779c0a86ba4"\r\n
   \r\n
   

   response:

   RTSP/1.0 200 OK\r\n
   CSeq: 5\r\n
   Session: 1662328301
   RTP-Info: url=rtsp://192.168.1.65:554/h264/ch1/main/av_stream/trackID=1;seq=43491;rtptime=190323206\r\n
   Date:  Tue, Nov 24 2020 15:03:17 GMT\r\n
   \r\n