CN101754002B - Video monitoring system and realization method for dual-stream monitoring front end thereof - Google Patents
Video monitoring system and realization method for dual-stream monitoring front end thereof Download PDFInfo
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- CN101754002B CN101754002B CN 200810218003 CN200810218003A CN101754002B CN 101754002 B CN101754002 B CN 101754002B CN 200810218003 CN200810218003 CN 200810218003 CN 200810218003 A CN200810218003 A CN 200810218003A CN 101754002 B CN101754002 B CN 101754002B
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Abstract
The invention discloses a video monitoring system and a realization method for dual-stream monitoring front end thereof. The video monitoring system comprises a streaming media server, a service platform and a client end, and also comprises at least one dual-stream monitoring front-end module connected with the streaming media server, wherein the monitoring front-end module is used for coding video data, generating media streams of a fixed network and / or a mobile network and sending the medial streams to the client end through the streaming media server. The dual-stream monitoring front-end module can send streams of two networks, extends the fixed network video monitoring to the mobile video monitoring so as to go with the large trend of the fixed-mobile network convergence, meets the requirements of integrated telecom operators for the urgent development of fixed-mobile network convergence multimedia services, is convenient for users, and can allow the users to watch video and audio information at monitoring points at any places by using the advantages of the mobile network.
Description
Technical field
The present invention relates to the front monitoring front-end technical field of video monitoring system, relate in particular to a kind of fixed network, move the implementation method and the video monitoring system thereof of the front monitoring front-end that is used to send two kinds of code streams in the video monitoring system in fusion field.
Background technology
In recent years, the IP technology becomes the common network characterization of each communication network, and fixed network moves fusion also becomes the distinct service feature that new business is experienced.
Fixed network video monitoring develops comparative maturity at present, is widely used.Mobile video monitor is professional; Be meant that the user passes through all kinds of move or catv terminals (like Streaming Media mobile phone, PDA, PC etc.) insert directly that PSTN/2.5G/2.75G/3G/4G etc. is public to be had/wireless network; Just can be to the place, the mobile pocket data business application type of a kind of total digitalization that real-time video monitoring is carried out in the zone paying close attention to/be concerned about, mainly serving the fixed network network region that is beyond one's reach has the business of movement requirement with some to the terminal.
And for present mobile network; Though realized mobile network's technology of a new generations such as 3G/4G, the relative fixed network of its bandwidth is still lower; For in fixed network than be easier to realize typically like the video code flow of 512Kbps, CIF; Still unacceptable in the mobile network, also need reduce code check again, resolution is littler.In this case; The front monitoring front-end two-way code stream of just need encoding simultaneously; One the tunnel be high-resolution (as CIF, D1 or more than), high code check (as 512Kbps or more than) code stream serve the fixed network network; One the tunnel is low resolution (like QCIF, SQCIF etc.), and the code stream of low code check (like 128Kbps etc.) is served the mobile network.
It is thus clear that, there is certain problem in the prior art, need to improve further.
Summary of the invention
The object of the present invention is to provide the implementation method of a kind of video monitoring system and dual code stream front monitoring front-end thereof; It is applied in the video monitoring system that fixed network moves fusion, and the client that can realize fixed network, moves two kinds of networks is watched the audiovisual information of monitoring this control point simultaneously.
To achieve these goals, the present invention adopts following technical scheme:
The invention provides a kind of video monitoring system, said system comprises: streaming media server, business platform, client; Said system also comprises: the dual code stream front monitoring front-end module that at least one links to each other with said streaming media server; This dual code stream front monitoring front-end module is used for coding video data; Generation is used for the medium code stream of fixed network network and/or mobile network's medium code stream, and this media code stream is delivered to said client through said streaming media server; Said dual code stream front monitoring front-end module is connected with said business platform communication, is used for the said dual code stream front monitoring front-end modules configured information of registration on said business platform; Be provided with two-way media code circulation road between said dual code stream front monitoring front-end module and the said streaming media server, the one tunnel is used to transmit the medium code stream of said fixed network network, and another road is used to transmit said mobile network's medium code stream.
Described system, wherein, said dual code stream front monitoring front-end module inserts said video monitoring system through the fixed network mode.
Described system, wherein, the output of the one or more video frequency pick-up heads in said each dual code stream front monitoring front-end module and the said video monitoring system links to each other.
The implementation method of the fixed network dual code stream front end of said system, this method may further comprise the steps:
A, dual code stream front monitoring front-end module are registered to business platform, set up with streaming media server between be connected; Wherein, set up two-way media code circulation road between said dual code stream front monitoring front-end module and the said streaming media server, the one tunnel is used to transmit the medium code stream of said fixed network network, and another road is used to transmit said mobile network's medium code stream;
B, said dual code stream front monitoring front-end module receive the transmission code stream request from said streaming media server;
C, said dual code stream front monitoring front-end module are judged the belonging network of client, and this client is for initiating the source end of said transmission code stream request;
D, according to the network under the said client, said dual code stream front monitoring front-end module generates video data and is used for the medium code stream of fixed network network or mobile network's medium code stream, and this media code stream is delivered to said client through said streaming media server.
Described method, wherein, said steps A may further comprise the steps:
A1, said dual code stream front monitoring front-end module are initiated register requirement to said business platform;
A2, said dual code stream front monitoring front-end module receive the register response of feedback, and send the request of obtaining said streaming media server address to said business platform;
A3, said dual code stream front monitoring front-end module receive the response of said business platform feedback;
The said streaming media server address that A4, basis are obtained, said dual code stream front monitoring front-end module is initiated the request of connecting to said streaming media server;
A5, said dual code stream front monitoring front-end module receive the response that connects of said streaming media server feedback.
Described method, wherein, among the said step C, said dual code stream front monitoring front-end module through check the request of said transmission code stream from the media code circulation road, confirm the belonging network of said client.
Described method, wherein, among the said step D, if said client belongs to the mobile network, then said dual code stream front monitoring front-end module generates video data encoding the medium code stream that is used for the mobile network; If said client belongs to the fixed network network, then said dual code stream front monitoring front-end module generates video data encoding the medium code stream that is used for the fixed network network.
The invention effect: dual code stream front monitoring front-end module of the present invention can accomplish to send the code stream of two kinds of networks; Fixed network video monitoring is extended to mobile video monitor; Comply with fixed network and moved the fusion main trend, satisfied integral telecommunication operator and urgently developed the demand that fixed network moves the fusion multimedia service, made things convenient for the user; Utilize mobile network's advantage, can make the not enough nowhere audiovisual information of watching the monitoring control point of user.
Description of drawings
Fig. 1 is the networking diagram of practical implementation of the present invention;
Fig. 2 is the sketch map that be registered to business platform of the present invention under mobile and fixed network dual mode;
Fig. 3 is the sketch map that be registered to business platform of the present invention under full fixed network;
Fig. 4 is the media play flow chart of the present invention under mobile and fixed network dual mode;
Fig. 5 is the media play flow chart of the present invention under full fixed network.
Embodiment
Specify technical scheme of the present invention below in conjunction with Figure of description.
As shown in Figure 1, video monitoring system provided by the present invention at first will comprise following components:
(1) streaming media server, its major function carry out forwarding and the storage of medium code stream etc., receive the medium code stream of front monitoring front-end, and it is transmitted to client, store as required simultaneously.
(2) business platform is used for front monitoring front-end, client, the registration of streaming media server and management etc.
(3) client is used for the receiving media code stream, decoding, and display image can be terminal equipment, also can also can be mobile clients such as Streaming Media mobile phone, PDA for operating in the client-side program on the computer.As can be seen from Figure 1, client is divided into mobile monitor client and fixed network monitor client, mobile clients such as mobile monitor client such as Streaming Media mobile phone, PDA, the client-side program on fixed network monitor client such as the computer.
The most important thing is; Also to add the dual code stream front monitoring front-end module that at least one links to each other with said streaming media server in video monitoring system of the present invention; This front monitoring front-end module is used for coding video data; Generation is used for the code stream of fixed network network and/or mobile network's code stream, and this code stream is delivered to said client through said streaming media server.
As shown in Figure 1, said dual code stream front monitoring front-end module inserts said video monitoring system through the fixed network mode.In order to reduce hardware facility; Reduce cost; The output of the one or more video frequency pick-up heads in each dual code stream front monitoring front-end module and the said video monitoring system links to each other, and is used for the output of a plurality of video frequency pick-up heads of real-time management, to the coding video data of a plurality of video frequency pick-up heads outputs; It is placed on different positions, can carry out the monitoring of a plurality of control points.Dual code stream front monitoring front-end module connects camera, can adopt the mode of built-in camera, mode that also can external camera.
As shown in Figure 1; Business platform is to the management of dual code stream front monitoring front-end module for ease; Adopt communication to be connected between said dual code stream front monitoring front-end module and the said business platform, be used on said business platform, registering said dual code stream front monitoring front-end modules configured information.
As shown in Figure 1; Dual code stream front monitoring front-end module mainly is that the coding video data of gathering is handled; In order to satisfy the needs of two kinds of network modes simultaneously; Two-way media code circulation road need be set between each dual code stream front monitoring front-end module and streaming media server, and one the tunnel is used to transmit the medium code stream of fixed network network, and another road is used to transmit mobile network's medium code stream.It is thus clear that; When dual code stream front monitoring front-end module to the requirement of the video data of video frequency pick-up head input according to business platform or Streaming Media; Can selectively carry out the coding of two kinds of different modes; Perhaps can carry out the coding of dual mode simultaneously, and the medium code stream that the back of will encoding generates is sent to streaming media server.H.264 the coded system of dual code stream front monitoring front-end module support can be, also can be coded systems relatively more commonly used such as MPEG4.
Based on the said system structure, the present invention also provides a kind of implementation method of fixed network dual code stream front end, and it mainly may further comprise the steps:
Steps A, dual code stream front monitoring front-end module are registered to business platform, set up with streaming media server between be connected;
Step B, dual code stream front monitoring front-end module receive the transmission code stream request from streaming media server;
Step C, dual code stream front monitoring front-end module are judged the belonging network of client, and this client is for initiating to send the source end of code stream request;
Step D, according to the network under the client, dual code stream front monitoring front-end module generates video data and is used for the medium code stream of fixed network network or mobile network's medium code stream, and this media code stream is delivered to said client through streaming media server.
Specify the implementation of above-mentioned each step below in conjunction with accompanying drawing.
As can beappreciated from fig. 1; Dual code stream front monitoring front-end module inserts the whole video supervisory control system with the fixed network mode; Be registered on the business platform, streaming media server and various types of monitor client also all are registered on the business platform simultaneously, and dual code stream front monitoring front-end module is sent two kinds of code streams and given streaming media server; Client obtains media code from streaming media server and flows the reduction of decoding, and is shown on the display device of self.As shown in Figure 2, provided move with the fixed network dual mode under video monitoring system in each part be registered to the sketch map of business platform, wherein, the process that mobile monitor client and dual code stream front monitoring front-end module are registered is following:
Step 201, the mobile monitor client is initiated register requirement to business platform;
Step 202, business platform is to mobile monitor client feedback register response;
Step 205, business platform feeds back register response to streaming media server;
Step 211, according to the streaming media server address that obtains, dual code stream front monitoring front-end module is initiated the request of connecting to streaming media server;
As shown in Figure 3, it has provided the present invention at the full fixed network sketch map that is registered to business platform down, has wherein provided the process that the fixed network monitor client is registered to business platform, and its process is basically with above-mentioned flow process identical.Fig. 2 and Fig. 3 are the schematic flow sheets that various device is registered to business platform under the various network mode.Among Fig. 2; Dual code stream front monitoring front-end module reads the configuration information of self preserving after startup, like information such as the IP address of business platform, port numbers, account number, passwords, initiate register requirement to business platform; Business platform is received this request; The information of authentication dual code stream front monitoring front-end module, authentication through after show and succeed in registration that failed authentication is dual code stream front monitoring front-end module registration failure then.After succeeding in registration; Dual code stream front monitoring front-end module is sent the request of obtaining the streaming media server address to business platform; After receiving the response of business platform, dual code stream front monitoring front-end module is initiatively initiated two-way to streaming media server and is connected, and is used to set up two-way media code circulation road; One the tunnel is the connection of fixed network code stream, is used to transmit the medium code stream of fixed network network; Another road is the connection of moving code stream, is used to transmit mobile network's medium code stream.Its example is following:
rtsp://172.16.69.36：10020/000055000100004101.sdp?guid＝000055000100004101&streamid＝1&userid＝0&clienttype＝4&time＝20080713101913+08&life＝3600&cryptmode＝0502&crypt＝AFE434B24FFF0217BD94DD41E79C5584
Streamid field wherein shows it is that which road connects, and as 1 being the connection of fixed network network code stream, 2 is the connection of mobile network's code stream.
Equally; Streaming media server is initiated registration to business platform in the same way; The mobile monitor client is initiated registration through wireless network to business platform, and so far various types of equipment all have been registered on the business platform, carry out unified management by business platform.The mobile monitor client need initiate to obtain the request of front monitoring front-end tabulation to business platform after succeeding in registration, receive response after, monitor client has just obtained the dual code stream front monitoring front-end module of current online, for follow-up media play ready.
Related procedure explanation when more than having provided registration is presented in the media play flow process under mobile and the fixed network dual mode below.As shown in Figure 4, the process of mobile monitor client-requested media play:
Step 301, mobile monitor client initiate to send the request of code stream to streaming media server;
Step 302, streaming media server is to the request of the said transmission code stream of dual code stream front monitoring front-end module forwards; As shown in Figure 1; Between mobile monitor client and the streaming media server is that single channel is connected; And streaming media server is that two-way is connected with dual code stream front monitoring front-end module; So, know it is the request that the mobile monitor client is sent when streaming media service, then be transmitted to dual code stream front monitoring front-end module through being used to transmit the passage that moves code stream.
Step 303, streaming media server are sent the response of code stream to the mobile monitor client feedback;
Step 304, the response that dual code stream front monitoring front-end module is sent code stream to the streaming media server feedback;
Step 305, dual code stream front monitoring front-end module begin coding, and packing is sent the medium code stream that is used for the mobile network through above-mentioned passage to streaming media server;
Step 306, streaming media server is issued the mobile monitor client with above-mentioned media code circulation;
Step 307, the request that the mobile monitor client stops to send code stream to the streaming media server initiation;
Step 308, streaming media server is to the said request that stops to send code stream of dual code stream front monitoring front-end module forwards;
Step 309, streaming media server stop to send the response of code stream to the mobile monitor client feedback;
Step 310, the response that dual code stream front monitoring front-end module stops to send code stream to the streaming media server feedback.
As shown in Figure 5, the process of fixed network monitor client request media play can realize with reference to above-mentioned flow process.Fig. 4 and Fig. 5 are the flow processs of media play under the various network mode.The front monitoring front-end tabulation that the mobile monitor client obtains according to self; The dual code stream front monitoring front-end module that selection is wanted to watch is play; This moment, the mobile monitor client was sent the address that obtains the streaming media server that this front monitoring front-end connects to business platform, receive the response of business platform after, send code stream to the streaming media server request; Streaming media server receives the request back judges it is mobile network's sent request; Notify dual code stream front monitoring front-end module to begin to send code stream this moment, asks code stream through referring to riches all the way during two-way that dual code stream front monitoring front-end module is set up is connected, and example is following:
SET_PARAMETER?rtsp://172.16.69.35/000055000100004101?RTSP/1.0
CSeq：5
X-PLAYCTRL：“PLAY:START”
User-Agent：ZMSSStreamingServer?Request
The response example that dual code stream front monitoring front-end module provides is following:
RTSP/1.0200?SUCCESS
Cseq：5
Server：DSS?5.0.5
After dual code stream front monitoring front-end module is received request; Judgement is that which road connects sent request, if require to send the code stream of mobile network's mode, then dual code stream front monitoring front-end module reads the configuration information of self; Here suppose that resolution is QCIF; Code check is 64Kbps, and H.264 coded system is, need be packaged into the code stream of 3GPP2 form.Dual code stream front monitoring front-end module begins coding, and according to the packing manner of appointment, packs and send code stream to streaming media server.After streaming media server is received the code stream of front monitoring front-end, be transmitted to the mobile monitor client.The mobile monitor client is received the medium code stream, begins decoding reduction, on self the display device of demonstration, like mobile phone screen etc.After the mobile monitor client is not thought to watch, initiate to stop to send the code stream request again, after streaming media server is received this request, stop to send the code stream request to the transmission of dual code stream front monitoring front-end module to streaming media server.After dual code stream front monitoring front-end module is received request, stop coding and transmission, and the response flow media server.
Can find out from above-mentioned, fixed network according to the invention move merge to send two kinds of code streams dual code stream front monitoring front-end module after startup according to configuration information, need be registered on the business platform.The back dual code stream front monitoring front-end module that succeeds in registration obtains the address of streaming media server; After dual code stream front monitoring front-end module obtains the address of streaming media server; Initiatively initiate the connection of two-way media code circulation road to streaming media server; One the tunnel is the connection of fixed network code stream; One the tunnel is the connection of mobile network's code stream, and after the success of connection streaming media server, front monitoring front-end waits for that the code stream of streaming media server sends request.If support multichannel dual code stream front monitoring front-end module, then every passage all will be set up two-way with streaming media server and be connected.
In addition, after dual code stream front monitoring front-end module was received the transmission code stream request of streaming media server, judgement was that which road connects sent request.Dual code stream front monitoring front-end module through check send the code stream request from the media code circulation road, confirm the belonging network of client.Module is sent mobile network's code stream if the mobile monitor client requires the dual code stream front monitoring front-end, and then dual code stream front monitoring front-end module is encoded according to configuration information, begins to send code stream; If the fixed network monitor client requires front monitoring front-end to send the code stream of fixed network, then front monitoring front-end is encoded according to configuration information (like resolution is D1, and code check is 1024kbps, and H.264 coded system is), begins to send code stream.If two-way media code circulation road is all sent request, show that then requirement sends two kinds of code streams simultaneously, then dual code stream front monitoring front-end module is sent different code streams from different passages respectively according to different configuration informations.Need add different packing manner according to various network at the head of code stream when sending code stream,, can break into form commonly used among the mobile network such as ISMA/3GPP/3GPP2 as requested like the mobile network; Like fixed network, can break into forms such as TS/RTP as requested.
In sum, video monitoring system provided by the present invention can be sent the code stream of two kinds of networks, makes things convenient for the fixed network monitor client to obtain relevant video data in real time with the mobile monitor client.
Illustrating of above-mentioned each concrete steps is comparatively concrete, can not therefore think the restriction to scope of patent protection of the present invention, and scope of patent protection of the present invention should be as the criterion with accompanying claims.
Claims (7)
1. video monitoring system, said system comprises: streaming media server, business platform, client; It is characterized in that; Said system also comprises: the dual code stream front monitoring front-end module that at least one links to each other with said streaming media server; This dual code stream front monitoring front-end module is used for coding video data; Generation is used for the medium code stream of fixed network network and/or mobile network's medium code stream, and this media code stream is delivered to said client through said streaming media server; Said dual code stream front monitoring front-end module is connected with said business platform communication, is used for the said dual code stream front monitoring front-end modules configured information of registration on said business platform; Be provided with two-way media code circulation road between said dual code stream front monitoring front-end module and the said streaming media server, the one tunnel is used to transmit the medium code stream of said fixed network network, and another road is used to transmit said mobile network's medium code stream.
2. system according to claim 1 is characterized in that, said dual code stream front monitoring front-end module inserts said video monitoring system through the fixed network mode.
3. system according to claim 1 is characterized in that, the output of the one or more video frequency pick-up heads in said each dual code stream front monitoring front-end module and the said video monitoring system links to each other.
4. the implementation method of the fixed network dual code stream front end of the said system of claim 1 is characterized in that, said method comprising the steps of:
A, dual code stream front monitoring front-end module are registered to business platform, set up with streaming media server between be connected; Wherein, set up two-way media code circulation road between said dual code stream front monitoring front-end module and the said streaming media server, the one tunnel is used to transmit the medium code stream of said fixed network network, and another road is used to transmit said mobile network's medium code stream;
B, said dual code stream front monitoring front-end module receive the transmission code stream request from said streaming media server;
C, said dual code stream front monitoring front-end module are judged the belonging network of client, and this client is for initiating the source end of said transmission code stream request;
D, according to the network under the said client, said dual code stream front monitoring front-end module generates video data and is used for the medium code stream of fixed network network or mobile network's medium code stream, and this media code stream is delivered to said client through said streaming media server.
5. method according to claim 4 is characterized in that, said steps A may further comprise the steps:
A1, said dual code stream front monitoring front-end module are initiated register requirement to said business platform;
A2, said dual code stream front monitoring front-end module receive the register response of feedback, and send the request of obtaining said streaming media server address to said business platform;
A3, said dual code stream front monitoring front-end module receive the response of said business platform feedback;
The said streaming media server address that A4, basis are obtained, said dual code stream front monitoring front-end module is initiated the request of connecting to said streaming media server;
A5, said dual code stream front monitoring front-end module receive the response that connects of said streaming media server feedback.
6. method according to claim 4 is characterized in that, among the said step C, said dual code stream front monitoring front-end module through check the request of said transmission code stream from the media code circulation road, confirm the belonging network of said client.
7. method according to claim 4 is characterized in that, among the said step D, if said client belongs to the mobile network, then said dual code stream front monitoring front-end module generates video data encoding the medium code stream that is used for the mobile network; If said client belongs to the fixed network network, then said dual code stream front monitoring front-end module generates video data encoding the medium code stream that is used for the fixed network network.
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| CN102065281B (en) * | 2010-11-23 | 2015-01-07 | 无锡港湾网络科技有限公司 | Network monitoring system with functions of storing and remote replaying |
| CN102625082A (en) * | 2012-02-29 | 2012-08-01 | 中山大学 | Video monitoring system |
| CN104349100A (en) * | 2013-07-25 | 2015-02-11 | 杭州海康威视数字技术股份有限公司 | DVR monitoring system supporting single-channel dual-stream video recording and method thereof |
| US9451178B2 (en) * | 2014-05-22 | 2016-09-20 | Microsoft Technology Licensing, Llc | Automatic insertion of video into a photo story |
| CN105323649A (en) * | 2014-07-18 | 2016-02-10 | 季春宏 | Wireless video transmission method and system of multi-route simultaneous transmission hot standby |
| CN105141931A (en) * | 2015-10-20 | 2015-12-09 | 武汉烽火众智数字技术有限责任公司 | Wireless video monitoring and commanding system and method thereof |
| CN106713846B (en) * | 2016-11-14 | 2020-04-10 | 浙江宇视科技有限公司 | Live connection establishing method and device |
| CN113037532A (en) * | 2019-12-25 | 2021-06-25 | 中兴通讯股份有限公司 | Stream media code stream detection method, device, server and readable storage medium |
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