sip (db33)信令交互-视频点播与回播

请求视频流：

INVITE sip:00000000001310018021@192.168.40.66:7100 SIP/2.0
Via: SIP/2.0/UDP 192.168.40.55:7100;rport;branch=z9hG4bK178329191
From: <sip:120105110228023020@192.168.40.55:7100>;tag=2091251200
To: <sip:00000000001310018021@192.168.40.66:7100>
Call-ID: 4130842379
CSeq: 20 INVITE
Contact: <sip:120105110228023020@192.168.40.55:7100>
Content-Type: Application/DDCP
Max-Forwards: 70
User-Agent: NCG V2.6.0.299938
Subject: 00000000001310018021:0,120105110228023020:0
Content-Length:   297

<?xml version="1.0"?>
<Action>
<Variable>RealMedia</Variable>
<Privilege/>
<Format>1080 720 D1 HALFD1 CIF 2CIF 4CIF QCIF</Format>          //码流格式
<Video>MPEG-2 MPEG-4 M-JPEG H.264</Video>                    //视频编码类型
<Audio>G.711A G.711U G.722</Audio>                        //音频编码类型
<MaxBitrate>20480</MaxBitrate>                            //传输码率
<Socket>192.168.40.55 UDP 5560</Socket>                    //表示使用设备192.168.40.55的UDP端口5560接收视频流
</Action>

SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.40.55:7100;rport=7100;branch=z9hG4bK178329191
From: <sip:120105110228023020@192.168.40.55:7100>;tag=2091251200
To: <sip:00000000001310018021@192.168.40.66:7100>
Call-ID: 4130842379
CSeq: 20 INVITE
User-Agent: NCG V2.6.0.299938
Content-Length: 0

SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.40.55:7100;rport=7100;branch=z9hG4bK178329191
From: <sip:120105110228023020@192.168.40.55:7100>;tag=2091251200
To: <sip:00000000001310018021@192.168.40.66:7100>;tag=2781666162
Call-ID: 4130842379
CSeq: 20 INVITE
Contact: <sip:161128022553273720@192.168.40.66:7100>
Content-Type: Application/DDCP
User-Agent: NCG V2.6.0.299938
Content-Length:   247

<?xml version="1.0"?>
<Response>
<Variable>RealMedia</Variable>
<Format>CIF</Format>
<Video>H.264</Video>
<Audio>G.711U</Audio>
<Bitrate>512</Bitrate>                            //传输码率
<Socket>192.168.40.66 UDP 5272</Socket>                //表示使用设备192.168.40.66的UDP端口5272发送视频流   
<DecoderTag>hikvision</DecoderTag>
</Response>

断开视频流：

BYE sip:161128022553273720@192.168.40.66:7100 SIP/2.0
Via: SIP/2.0/UDP 192.168.40.55:7100;rport;branch=z9hG4bK2697700230
From: <sip:120105110228023020@192.168.40.55:7100>;tag=2091251200
To: <sip:00000000001310018021@192.168.40.66:7100>;tag=2781666162
Call-ID: 4130842379
CSeq: 21 BYE
Contact: <sip:120105110228023020@192.168.40.55:7100>
Max-Forwards: 70
User-Agent: NCG V2.6.0.299938
Content-Length: 0

SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.40.55:7100;rport=7100;branch=z9hG4bK2697700230
From: <sip:120105110228023020@192.168.40.55:7100>;tag=2091251200
To: <sip:00000000001310018021@192.168.40.66:7100>;tag=2781666162
Call-ID: 4130842379
CSeq: 21 BYE
User-Agent: NCG V2.6.0.299938
Content-Length: 0

历史图像获取示意图：

获取视频流：

DO sip:00000000001310018021@192.168.40.66:7100 SIP/2.0
Via: SIP/2.0/UDP 192.168.40.55:7100;rport;branch=z9hG4bK2258689616
From: <sip:120105110228023020@192.168.40.55:7100>;tag=382563044
To: <sip:00000000001310018021@192.168.40.66:7100>
Call-ID: 2435803271
CSeq: 20 DO
Content-Type: Application/DDCP
Max-Forwards: 70
User-Agent: NCG V2.6.0.299938
Content-Length:   295

<?xml version="1.0"?>
<Action>
<Query>
<Variable>FileList</Variable>
<Privilege></Privilege>
<FileType>23</FileType>
<FromIndex>1</FromIndex>
<ToIndex>2</ToIndex>
<BeginTime>20170621T000000Z</BeginTime>
<EndTime>20170621T235959Z</EndTime>
<RecordPos>1</RecordPos>
</Query>
</Action>


SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.40.55:7100;rport=7100;branch=z9hG4bK2258689616
From: <sip:120105110228023020@192.168.40.55:7100>;tag=382563044
To: <sip:00000000001310018021@192.168.40.66:7100>;tag=762901480
Call-ID: 2435803271
CSeq: 20 DO
Content-Type: Application/DDCP
User-Agent: NCG V2.6.0.299938
Content-Length:   875

<?xml version="1.0"?>
<Response>
<QueryResponse>
<Variable>FileList</Variable>
<Result>0</Result>
<RealFileNum>2</RealFileNum>
<FromIndex>1</FromIndex>
<ToIndex>2</ToIndex>
<FileInfolist>
<Item>
<Name>0_1_1497973658_0.h264</Name>
<BeginTime>20170621T000000Z</BeginTime>
<EndTime>20170621T022702Z</EndTime>
<FileSize>4439165188</FileSize>
<RecordType>1</RecordType>
<VodUrl>rtsp://192.168.40.66:6304/file/vag_plug://192.168.40.66:6300/0/sessions/28e8deaef7a64db88010fee38da0ba31</VodUrl>
</Item>
<Item>
<Name>0_1_1497983224_0.h264</Name>
<BeginTime>20170621T022704Z</BeginTime>
<EndTime>20170621T155926Z</EndTime>
<FileSize>24528928360</FileSize>
<RecordType>1</RecordType>
<VodUrl>rtsp://192.168.40.66:6304/file/vag_plug://192.168.40.66:6300/0/sessions/28e8deaef7a64db88010fee38da0ba31</VodUrl>
</Item>
</FileInfolist>
</QueryResponse>
</Response>

DO sip:00000000001310018021@192.168.40.66:7100 SIP/2.0
Via: SIP/2.0/UDP 192.168.40.55:7100;rport;branch=z9hG4bK929522417
From: <sip:120105110228023020@192.168.40.55:7100>;tag=3721737815
To: <sip:00000000001310018021@192.168.40.66:7100>
Call-ID: 55014328
CSeq: 20 DO
Content-Type: Application/DDCP
Max-Forwards: 70
User-Agent: NCG V2.6.0.299938
Content-Length:   308

<?xml version="1.0"?>
<Action>
<Variable>VODByRTSP</Variable>
<Privilege></Privilege>
<FileType>23</FileType>
<Name>0_1_1497973658_0.h264</Name>
<BeginTime>20170621T000000Z</BeginTime>
<EndTime>20170621T155926Z</EndTime>
<MaxBitrate>1024</MaxBitrate>
<RecordPos>1</RecordPos>
<TV>2</TV>
</Action>

SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.40.55:7100;rport=7100;branch=z9hG4bK929522417
From: <sip:120105110228023020@192.168.40.55:7100>;tag=3721737815
To: <sip:00000000001310018021@192.168.40.66:7100>;tag=3556564953
Call-ID: 55014328
CSeq: 20 DO
Content-Type: Application/DDCP
User-Agent: NCG V2.6.0.299938
Content-Length:   494

<?xml version="1.0"?>
<Response>
<Variable>VODByRTSP</Variable>
<Result>0</Result>
<Bitrate>0</Bitrate>
<Playurl>rtsp://192.168.40.66:7087/ncg00/rtsp://192.168.40.66:6304/file/vag_plug://192.168.40.66:6300/0/sessions/28e8deaef7a64db88010fee38da0ba31?ncgMode=1&amp;devType=10001&amp;ks=1497974400&amp;js=1498031966&amp;usrName=admin&amp;passWord=jdwa2003</Playurl>
<UsrName>admin</UsrName>
<PassWord>password</PassWord>
<TV>2</TV>
<CamIndex>00000000001310018021</CamIndex>
</Response>