CN109348175A - Communication means between a kind of monitoring system - Google Patents

Communication means between a kind of monitoring system Download PDF

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Publication number
CN109348175A
CN109348175A CN201811252707.6A CN201811252707A CN109348175A CN 109348175 A CN109348175 A CN 109348175A CN 201811252707 A CN201811252707 A CN 201811252707A CN 109348175 A CN109348175 A CN 109348175A
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China
Prior art keywords
monitoring system
gateway
srg
media
signalling route
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Granted
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CN201811252707.6A
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Chinese (zh)
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CN109348175B (en
Inventor
张海涛
马华东
李海飞
徐政钧
唐炳昌
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Beijing University of Posts and Telecommunications
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Beijing University of Posts and Telecommunications
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Priority to CN201811252707.6A priority Critical patent/CN109348175B/en
Publication of CN109348175A publication Critical patent/CN109348175A/en
Application granted granted Critical
Publication of CN109348175B publication Critical patent/CN109348175B/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H04L67/565—Conversion or adaptation of application format or content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/08—Protocols for interworking; Protocol conversion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234309—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 or from Quicktime to Realvideo
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
    • H04N21/440218—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The embodiment of the invention provides communication means between a kind of monitoring system, method includes: the first monitoring system to the first signalling route gateway SRG1Send the communication request for being directed to the second monitoring system；First signalling route gateway SRG1Based on the network transmission protocol of the first monitoring system, communication request is sent to the second signalling route gateway SRG2；Second signalling route gateway SRG2Based on the network transmission protocol of the second monitoring system, the network transmission protocol of communication request, the communication request after being converted are converted；Communication request after conversion is sent to the second monitoring system；Communication request after the processing conversion of second monitoring system.As it can be seen that also can establish communication connection although the transport protocol of the first Monitor And Control Subsystem and the second Monitor And Control Subsystem is different, to carry out data sharing.

Description

Communication means between a kind of monitoring system
Technical field
The present invention relates to fields of communication technology, more particularly to communication means between a kind of monitoring system.
Background technique
In recent years video monitoring system using more and more extensive, throughout every field.The demand communicated between monitoring system Also growing.For example, user needs to get the monitoring data of monitoring system 2 by monitoring system 1, user passes through monitoring system 1 pair of monitoring system 2 of uniting configures etc..
And the system architecture of different monitoring systems may be different, used communication protocol may also be different.Based on above-mentioned Reason is likely to not communicate between different monitoring system, can not shared data.
Summary of the invention
The communication means between being designed to provide a kind of monitoring system of the embodiment of the present invention, to realize different video monitoring system Communication and data sharing between system.Specific technical solution is as follows:
To solve the above-mentioned problems, the embodiment of the invention provides communication means between a kind of monitoring system, the monitoring systems System includes the first monitoring system and the second monitoring system, by the between first monitoring system and second monitoring system One signalling route gateway SRG1With the second signalling route gateway SRG2Connection；The described method includes:
First monitoring system is to the first signalling route gateway SRG1It sends for second monitoring system Communication request；
The first signalling route gateway SRG1Based on the network transmission protocol of first monitoring system, by the communication Request is sent to the second signalling route gateway SRG2；
The second signalling route gateway SRG2Based on the network transmission protocol of second monitoring system, convert described logical Believe the network transmission protocol of request, the communication request after being converted；Communication request after the conversion is sent to described Two monitoring systems；
Second monitoring system handles the communication request after the conversion.
Optionally, the monitoring system includes the first distribution of media gateway MDG1With the second distribution of media gateway MDG2, described Method further include:
First monitoring system generates media transmission request, and media transmission request is sent to first letter Enable routing gateway SRG1；
The network transmission protocol of the first signalling route gateway based on first monitoring system, by the media transmission Request is sent to the second signalling route gateway SRG2；
The second signalling route gateway SRG2Based on the network transmission protocol of second monitoring system, the matchmaker is converted The network transmission protocol of body transmission request, the media transmission request after being converted；By the media transmission request after the conversion It is sent to the second distribution of media gateway MDG2；
The second distribution of media gateway MDG2According to the media transmission request after the conversion, target medium money is obtained Source, and media transmission protocol and media coding format based on second monitoring system, by acquired target medium resource It is sent to the first distribution of media gateway MDG1；
The first distribution of media gateway MDG1By the media transmission protocol and media coding lattice of the target medium resource Formula is converted to the media transmission protocol and media coding format of the first monitoring system, the media resource after being converted.
Optionally, the monitoring system includes the first distribution of media gateway MDG1With the second distribution of media gateway MDG2, described Method further include:
First monitoring system generates the video playback request for target video, and the video playback is requested to send out It send to the first signalling route gateway SRG1；
The network transmission protocol of the first signalling route gateway based on first monitoring system, by the video playback Request is sent to the second signalling route gateway SRG2；
The second signalling route gateway SRG2Based on the network transmission protocol of second monitoring system, the view is converted The network transmission protocol of frequency playback request, the video playback request after being converted；By the video playback request after the conversion It is sent to the second distribution of media gateway MDG2；
The second distribution of media gateway MDG2According to the video playback request after the conversion, target video money is obtained Source, and media transmission protocol and media coding format based on second monitoring system, by acquired target video resource It is sent to the first distribution of media gateway MDG1；
The first distribution of media gateway MDG1By the media transmission protocol and media coding lattice of the target video resource Formula is converted to the media transmission protocol and media coding format of the first monitoring system, the video resource after being converted.
Optionally, the communication request includes control command,
Second monitoring system handles the communication request after the conversion, comprising:
Second monitoring system parses the communication request, obtains control command,
According to the control command, controls the equipment in second monitoring system and execute translation, inclination and/or scaling behaviour Make.
Optionally, the communication request includes the subscription message of particular event,
Second monitoring system handles the communication request after the conversion, comprising:
Second monitoring system monitors the particular event whether occurs inside this system；
If monitoring that the particular event occurs inside this system, second monitoring system is to first monitoring system The particular event is sent to notify.
Optionally, the communication request includes the subscription message of facility inventory,
Second monitoring system handles the communication request after the conversion, comprising:
Second monitoring system monitors whether the equipment inside this system is changed；
If monitoring, the equipment inside this system is changed, and second monitoring system is sent out to first monitoring system Equipment change is sent to notify.
Optionally, the monitoring system further includes third monitoring system and third signalling route gateway SRG3；Described second Pass through the second signalling route gateway SRG between monitoring system and the third monitoring system2With third signalling route gateway SRG3Even It connects；
The method also includes:
First monitoring system is to the first signalling route gateway SRG1It sends for the third monitoring system Communication request；
The first signalling route gateway SRG1The communication request is sent to the second signalling route gateway SRG2；
The second signalling route gateway SRG2The communication request is sent to the third signalling route gateway SRG3；
The third signalling route gateway SRG3Based on the network transmission protocol of the third monitoring system, convert described logical Believe the network transmission protocol of request, the communication request after being converted；Communication request after the conversion is sent to described Three monitoring systems；
The third monitoring system handles the communication request after the conversion.
The embodiment of the invention provides communication means between a kind of monitoring system, method includes: the first monitoring system to first Signalling route gateway SRG1Send the communication request for being directed to the second monitoring system；First signalling route gateway SRG1Based on the first prison Communication request is sent to the second signalling route gateway SRG by the network transmission protocol of control system2；Second signalling route gateway SRG2 Based on the network transmission protocol of the second monitoring system, the network transmission protocol of communication request is converted, the communication after being converted is asked It asks；Communication request after conversion is sent to the second monitoring system；Communication request after the processing conversion of second monitoring system.It can See, although the transport protocol of the first Monitor And Control Subsystem and the second Monitor And Control Subsystem is different, also can establish communication connection, thus into Row data sharing.
Certainly, implement any of the products of the present invention or method it is not absolutely required at the same reach all the above excellent Point.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is the system architecture schematic diagram of monitoring system provided in an embodiment of the present invention；
A kind of flow chart of Fig. 2 communication means between monitoring system provided in an embodiment of the present invention；
The first signaling diagram of Fig. 3 communication means between monitoring system provided in an embodiment of the present invention；
Second of signaling diagram of Fig. 4 communication means between monitoring system provided in an embodiment of the present invention；
The third signaling diagram of Fig. 5 communication means between monitoring system provided in an embodiment of the present invention；
4th kind of signaling diagram of Fig. 6 communication means between monitoring system provided in an embodiment of the present invention；
5th kind of signaling diagram of Fig. 7 communication means between monitoring system provided in an embodiment of the present invention；
A kind of schematic diagram that Fig. 8 is communicated between monitoring system provided in an embodiment of the present invention；
Another schematic diagram that Fig. 9 is communicated between monitoring system provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
For ease of understanding, the word occurred in the embodiment of the present invention is explained below.
MDG (Media Distribution Gateway, distribution of media gateway): for media data reception and point Hair, can convert the coded format of media data.
SRG (Signal Routing Gateway, signalling route gateway): the interface gateway in monitoring system is responsible for Identical monitoring system is collected mail number indirectly, and carries out safety certification to system.
Currently, the used network transmission protocol is not there may be system architecture difference between different video monitoring systems Parity problem, so that communication and data sharing can not be carried out.In order to solve this problem, the embodiment of the invention provides one kind Communication means between monitoring system.
Referring to Fig. 1, Fig. 1 is the system architecture schematic diagram of monitoring system provided in an embodiment of the present invention, including the first monitoring System VSS1With the second monitoring system VSS2, the first signalling route gateway SRG1With the second signalling route gateway SRG2, the first media Distribute gateway MDU1With the second distribution of media gateway MDU2, wherein the first monitoring system and the second monitoring system pass through the first signaling Routing gateway SRG1With the second signalling route gateway SRG2Connection.
Below by specific embodiment, the present invention will be described.
Referring to fig. 2, a kind of flow chart of Fig. 2 communication means between monitoring system provided in an embodiment of the present invention, this method Can be applied in system architecture shown in FIG. 1, method the following steps are included:
S201: the first monitoring system is to the first signalling route gateway SRG1The communication sent for the second monitoring system is asked It asks.
In embodiments of the present invention, it when the first monitoring system, which needs to establish with the second monitoring system, to be communicated to connect, needs Communication request is forwarded by signalling route gateway.
In this step, the first monitoring system is to the first signalling route gateway SRG1It sends for the logical of the second monitoring system Letter request.
S202: the first signalling route gateway SRG1Based on the network transmission protocol of the first monitoring system, communication request is sent out It send to the second signalling route gateway SRG2。
S203: the second signalling route gateway SRG2Based on the network transmission protocol of the second monitoring system, communication request is converted The network transmission protocol, the communication request after being converted；Communication request after conversion is sent to the second monitoring system.
Since the network communication protocol of the first monitoring system and the second monitoring system may be different, the second signaling road By gateway SRG2The network transmission protocol according to the second monitoring system is needed, the network transmission protocol of communication request is converted, obtains Communication request after conversion, then the communication request after conversion is sent to the second monitoring system.
Communication request after the processing conversion of S204: the second monitoring system.
Since the network transmission protocol of communication request has been translated into the network transmission protocol of the second monitoring system, First monitoring system can identify the communication request after the conversion, and handle it.
As it can be seen that the communication means between monitoring system provided in an embodiment of the present invention, can be used the first control protocol gateway The conversion that the network transmission protocol is carried out to communication request enables the second monitoring system to identify that the first monitoring system is sent logical Letter request, communicates to connect to establish with the first monitoring system, realizes resource-sharing.
In an embodiment of the present invention, monitoring system can also include: the first distribution of media gateway MDG1With second Distribution of media gateway MDG2。
In an embodiment of the present invention, on the basis of method and step shown in Fig. 2, can with the following steps are included:
Step 11: the first monitoring system generates the media transmission request for destination channel, and media transmission is requested to send out It send to the first signalling route gateway SRG1。
First monitoring system can then give birth to obtain the real-time media resource for destination channel in the second monitoring system It is requested at the media transmission for the destination channel, and media transmission request is sent to the first signalling route gateway SRG1。
Step 12: first network transmission protocol of the signalling route gateway based on the first monitoring system requests media transmission It is sent to the second signalling route gateway SRG2。
In this step, the first signalling route gateway SRG1It can be based on the network transmission protocol of the first monitoring system, by matchmaker Body transmission request is forwarded to the second signalling route gateway SRG2。
Step 13: the second signalling route gateway SRG2Based on the network transmission protocol of the second monitoring system, converts media and pass The network transmission protocol of defeated request, the media transmission request after being converted；Media transmission request after conversion is sent to the Two distribution of media gateway MDG2。
Since the network communication protocol of the first monitoring system and the second monitoring system may be different, the second signaling road By gateway SRG2The network transmission protocol according to the second monitoring system is needed, the network transmission protocol of media transmission request is converted, Media transmission request after being converted, then the media transmission request after conversion is sent to the second distribution of media gateway MDG2。
Step 14: the second distribution of media gateway MDG2According to the media transmission request after conversion, target medium resource is obtained, And media transmission protocol and media coding format based on the second monitoring system, acquired target medium resource is sent to One distribution of media gateway MDG1。
Second distribution of media gateway MDG2Can identify conversion after media transmission request, then can be according to the conversion after Media transmission request, from the second monitoring system obtain target medium resource.
After obtaining target medium resource, the second distribution of media gateway MDG2It can be passed based on the media of the second monitoring system Acquired target medium resource is sent to the first distribution of media gateway MDG by defeated agreement and media coding format1。
Step 15: the first distribution of media gateway MDG1By the media transmission protocol and media coding format of target medium resource Be converted to the media transmission protocol and media coding format of the first monitoring system, the media resource after being converted.
Since the media transmission protocol and media coding format of the first monitoring system and the second monitoring system may be different, because This, the first distribution of media gateway MDG1The media transmission protocol and media coding format according to the first monitoring system are needed, is converted Media transmission protocol and media coding format, the media resource after being converted.
First distribution of media gateway MDG1After the media resource after being converted, which can be sent to One monitoring system.So far, the first monitoring system gets the real-time media resource of the second monitoring system.
A kind of more specific embodiment is provided below to be illustrated, referring to Fig. 3, Fig. 3 is prison provided in an embodiment of the present invention The first signaling diagram of intersystem communications method is controlled, above-mentioned first monitoring system obtains the real-time media resource of the second monitoring system Process, following refinement step can be divided into:
1) the first monitoring system VSS1Initiate request to real-time media, and to Media Gateway MDU1Connection foundation is sent to ask It asks.
2) Media Gateway MDU1After receiving request, channel information is returned into the first monitoring system VSS1。
3) the first monitoring system VSS1To the first signalling route gateway SRG1Request comes from the second monitoring system VSS2It is real-time Media Stream.
4) the first signalling route gateway SRG1Transfer a request to the second signalling route gateway SRG2。
5) the second signalling route gateway SRG2Transfer a request to the second monitoring system VSS2。
6) the second monitoring system VSS2To the second Media Gateway MDU2It sends connection and establishes request.
7) the second Media Gateway MDU2After receiving request, channel information is returned into the second monitoring system VSS2。
8) the second monitoring system VSS2Notify the second Media Gateway MDU2Media transmission is ready for ready.
9) the second monitoring system VSS2By media stream to the second Media Gateway MDU2。
10) the second monitoring system VSS2To the second Media Gateway MDU2Media channel request message is sent to be transmitted.
11) the second Media Gateway MDU2Ready and the second monitoring system VSS of response2。
12) the second monitoring system VSS2The second signalling route gateway SRG is sent by ready signal2。
13) the second signalling route gateway SRG2Ready signal is transmitted to the first signalling route gateway SRG1。
14) the first signalling route gateway SRG1Ready signal is returned into the first monitoring system VSS1。
15) the first monitoring system VSS1Notify the first Media Gateway MDU1Media transfer channel is ready for.
16) the first monitoring system VSS1To the first signalling route gateway SRG1It sends request and starts media transmission.
17) the first signalling route gateway SRG1Transfer a request to the second signalling route gateway SRG2。
18) the first signalling route gateway SRG2Transfer a request to the second monitoring system VSS2。
19) the second monitoring system VSS2Notify the second Media Gateway MDU2Start media transmission.
20) the second Media Gateway MDU2It receives and requests and start media stream to the first Media Gateway MDU1。
21) the first monitoring system VSS1To the first Media Gateway MDU1Media channel request message is sent to be transmitted.
22) the first Media Gateway MDU1Ready and the first monitoring system VSS of response1。
23) the first monitoring system VSS1Notify the first Media Gateway MDU1Start media transmission.
24) the first Media Gateway MDU1By media flow transmission to the first monitoring system VSS1。
25) as the first monitoring system VSS1When stopping real-time media and obtaining, it is to the first Media Gateway MDU1It sends and stops matchmaker The signal that body is requested to disconnect.
26) the first Media Gateway MDU1The first monitoring system VSS is responded with confirmation message1。
27) the first monitoring system VSS1Notify the first signalling route gateway SRG1Stop coming from the second monitoring system VSS2's Media transmission.
28) the first signalling route gateway SRG1It will stop media transmission request and be sent to the second signalling route gateway SRG2。
29) the second signalling route gateway SRG2It will stop media transmission request and be transmitted to the second monitoring system VSS2。
30) the second monitoring system VSS2The confirmation response that will be switched off connection replies to the second signalling route gateway SRG2。
31) the second signalling route gateway SRG2Response is transmitted to the first signalling route gateway SRG1。
32) the first signalling route gateway SRG1Response is transmitted to the first monitoring system VSS1。
33) the second monitoring system VSS2Notify the second Media Gateway MDU2It disconnects.
34) the second Media Gateway MDU2The second monitoring system VSS is replied with confirmation message2。
In an embodiment of the present invention, the second monitoring system handles the communication request after conversion, may include:
Second monitoring system determines target video according to communication request.
In an embodiment of the present invention, on the basis of method and step shown in Fig. 2, can with the following steps are included:
Step 21: the first monitoring system generates the video playback request for target video, and video playback is requested to send out It send to the first signalling route gateway SRG1。
First monitoring system then can be generated to obtain the target video resource recorded in the second monitoring system The first signalling route gateway SRG is sent to for the video playback request of the target video, and by video playback request1。
Step 22: first network transmission protocol of the signalling route gateway based on the first monitoring system requests video playback It is sent to the second signalling route gateway SRG2。
In this step, the first signalling route gateway SRG1It can will be regarded based on the network transmission protocol of the first monitoring system Frequency playback request is forwarded to the second signalling route gateway SRG2。
Step 23: the second signalling route gateway SRG2Based on the network transmission protocol of the second monitoring system, converting video is returned The network transmission protocol for putting request, the video playback request after being converted；Video playback request after conversion is sent to the Two distribution of media gateway MDG2。
Since the network communication protocol of the first monitoring system and the second monitoring system may be different, the second signaling road By gateway SRG2Need the network transmission protocol according to the second monitoring system, the network transmission protocol of converting video playback request, Video playback request after being converted, then the video playback request after conversion is sent to the second distribution of media gateway MDG2。
Step 24: the second distribution of media gateway MDG2According to the video playback request after conversion, target video resource is obtained, And media transmission protocol and media coding format based on the second monitoring system, acquired target video resource is sent to One distribution of media gateway MDG1。
Second distribution of media gateway MDG2Can identify conversion after video playback request, then can be according to the conversion after Video playback request, from the second monitoring system obtain target video resource.
After obtaining target video resource, the second distribution of media gateway MDG2It can be passed based on the media of the second monitoring system Acquired target video resource is sent to the first distribution of media gateway MDG by defeated agreement and media coding format1。
Step 25: the first distribution of media gateway MDG1By the media transmission protocol and media coding format of target video resource Be converted to the media transmission protocol and media coding format of the first monitoring system, the video resource after being converted.
Since the media transmission protocol and media coding format of the first monitoring system and the second monitoring system may be different, because This, the first distribution of media gateway MDG1The media transmission protocol and media coding format according to the first monitoring system are needed, is converted Media transmission protocol and media coding format, the video resource after being converted.
First distribution of media gateway MDG1After the video resource after being converted, which can be sent to One monitoring system.So far, the first monitoring system gets the playback video resource of the second monitoring system.
A kind of more specific embodiment is provided below to be illustrated, referring to fig. 4, Fig. 4 is prison provided in an embodiment of the present invention Second of signaling diagram of intersystem communications method is controlled, above-mentioned first monitoring system obtains the playback video resource of the second monitoring system Process, following refinement step can be divided into:
1) the first monitoring system VSS1To the first signalling route gateway SRG1Request is sent, the second monitoring system VSS is inquired2 Video record information.
2) the first signalling route gateway SRG1Send the requests to the second signalling route gateway SRG2, for inquiring video record Information processed.
3) the second signalling route gateway SRG2Transfer a request to the second monitoring system VSS2。
4) the second signalling route gateway VSS2Result is transmitted to the second signalling route gateway SRG2。
5) the second signalling route gateway SRG2Transmit the result to the first signalling route gateway SRG1。
6) the first signalling route gateway SRG1Return result to the first monitoring system VSS1。
7) the first monitoring system VSS1To the first distribution of media gateway MDU1It sends connection and establishes request.
8) the first distribution of media gateway MDU1After receiving request, channel information is returned into the first monitoring system VSS1。
9) the first monitoring system VSS1Media request is transmitted to the first signalling route gateway SRG1。
10) the first signalling route gateway SRG1Transfer a request to the second signalling route gateway SRG2。
11) the second signalling route gateway SRG2Transfer a request to the second monitoring system VSS2。
12) the first monitoring system VSS1To the second distribution of media gateway MDU2It sends connection and establishes request.
13) the second distribution of media gateway MDU2After receiving request, channel information is returned into the second monitoring system VSS2。
14) the second monitoring system VSS2Notify the second distribution of media gateway MDU2Media transmission is ready.
15) the second monitoring system VSS2The second distribution of media gateway MDU is sent by media2。
16) the second monitoring system VSS2To the second distribution of media gateway MDU2Media channel request message is sent to be passed It is defeated.
17) the second distribution of media gateway MDU2Standby ready signal simultaneously responds the second monitoring system VSS2。
18) the second monitoring system VSS2The second signalling route gateway SRG is sent by ready signal2。
19) the second signalling route gateway SRG2Ready signal is transmitted to the first signalling route gateway SRG1。
20) the first signalling route gateway SRG1Ready signal is returned into the first monitoring system VSS1。
21) the first monitoring system VSS1Notify the first distribution of media gateway MDU1Media transmission is ready for ready.
22) the first monitoring system VSS1Then to the first signalling route gateway SRG1Request is sent with from VSS2Start media Transmission.
23) the first signalling route gateway SRG1Transfer a request to the second signalling route gateway SRG2。
24) the second signalling route gateway SRG2Transfer a request to the second monitoring system VSS2。
25) the second monitoring system VSS2Then the second distribution of media gateway MDU is notified2Start media transmission.
26) the second distribution of media gateway MDU2It receives and requests and start media stream to the first distribution of media gateway MDU1。
27) the first monitoring system VSS1To the first distribution of media gateway MDU1Media channel request message is sent to be passed It is defeated.
28) the first distribution of media gateway MDU1Ready and the first monitoring system VSS of response1。
29) the first monitoring system VSS1Notify the first distribution of media gateway MDU1Start media transmission.
30) the first distribution of media gateway MDU1By media stream to the first monitoring system VSS1。
31) during media play, the first monitoring system VSS1The first signaling road is sent by controlling media play request By gateway SRG1。
32) the first signalling route gateway SRG1Control information is transmitted to the second signalling route gateway SRG2。
33) the second signalling route gateway SRG2Control information is transmitted to the second monitoring system VSS2。
34) the second monitoring system VSS2Respond the second signalling route gateway SRG2。
35) the second signalling route gateway SRG2Transmit responses to the first signalling route gateway SRG1。
36) the first signalling route gateway SRG1Response is returned into the first monitoring system VSS1。
37) at the end of media playback, the second monitoring system VSS2To the second signalling route gateway SRG2Sending playback terminates Message.
38) the second signalling route gateway SRG2End message is transmitted to the first signalling route gateway SRG1。
39) the first signalling route gateway SRG1End message is transmitted to the first monitoring system VSS1。
40) the first monitoring system VSS1Respond the first signalling route gateway SRG1。
41) the first signalling route gateway SRG1Response is transmitted to the second signalling route gateway SRG2。
42) the second signalling route gateway SRG2Response is transmitted to the second monitoring system VSS2。
43) as the first monitoring system VSS1When stopping media play, it notifies the first distribution of media gateway MDU1The company of disconnection It connects.
44) the first distribution of media gateway MDU1The first monitoring system VSS is responded with confirmation message1。
45) the first monitoring system VSS1Notify the first signalling route gateway SRG1Stop coming from VSS2Media transmission.
46) the first signalling route gateway SRG1Media are stopped into request and are sent to the second signalling route gateway SRG2。
47) the second signalling route gateway SRG2Media are stopped into request and are transmitted to the second monitoring system VSS2。
48) the second monitoring system VSS2The second signalling route gateway SRG is responded by the confirmation disconnected2。
49) the second signalling route gateway SRG2Transmit responses to the first signalling route gateway SRG1。
50) the first signalling route gateway SRG1Response is transmitted to the first monitoring system VSS1。
51) the second monitoring system VSS2Notify the second distribution of media gateway MDU2It disconnects.
52) the second distribution of media gateway MDU2The second monitoring system VSS is responded with confirmation message2。
In an embodiment of the present invention, communication request can be control command, i.e. the first monitoring system is supervised to second Control system send control request, with reach control the second monitoring system relevant device carry out PTZ (Pan/Tilt/Zoom, put down Move, tilt and scale) operation.
It, the step of the second monitoring system has gone out the communication request after conversion, can be with when communication request includes control command Are as follows: the second monitoring system parses communication request, obtains control command, according to control command, controls setting in the second monitoring system It is standby to execute translation, inclination and/or zoom operations.
Specifically, the obtained control command of parsing can be issued to corresponding equipment by the second monitoring system, then the equipment It is operated according to control command.
In a kind of embodiment, equipment may include translation, inclination and/or zoom operations according to the operation that control command carries out Video camera, and switching auxiliary peripheral hardware.Assisting peripheral hardware may include flashlight, fan and rain brush etc..
A kind of more specific embodiment is provided below to be illustrated, referring to Fig. 5, Fig. 5 is prison provided in an embodiment of the present invention The third signaling diagram of intersystem communications method is controlled, when the first communication request includes control command, the above process can be divided For following refinement step:
1) the first monitoring system VSS1To the first signalling route gateway SRG1Send PTZ control request.
2) the first signalling route gateway SRG1Transfer a request to the second signalling route gateway SRG2。
3) the second signalling route gateway SRG2Transfer a request to the second monitoring system VSS2。
4) the second monitoring system VSS2PTZ control command is simultaneously transmitted to related physical equipment by analysis request, and equipment executes Operation, the second monitoring system VSS2It returns to the second signalling route gateway SRG2Response.
5) the second signalling route gateway SRG2Response is transmitted to the first signalling route gateway SRG1。
6) the first signalling route gateway SRG1Transmit responses to the first monitoring system VSS1。
In an embodiment of the present invention, communication request may include the subscription message of particular event.When the first monitoring When system needs to obtain the second monitoring system and whether particular event occurs, the first monitoring system can be sent to the second monitoring system The subscription message of the particular event, for the second monitoring system after receiving the subscription message, whether monitoring internal system occurs the spy Determine event, particular event occurs for internal system if monitoring, it is specific that the second monitoring system can send this to the first monitoring system Event notifies.
A kind of more specific embodiment is provided below to be illustrated, referring to Fig. 6, Fig. 6 is prison provided in an embodiment of the present invention The 4th kind of signaling diagram for controlling intersystem communications method, when the first communication request includes the subscription message of particular event, above-mentioned mistake Journey can be divided into following refinement step:
1) the first monitoring system VSS1To the first signalling route gateway SRG1Send event subscription requests.
2) the first signalling route gateway SRG1Transfer a request to the second signalling route gateway SRG2。
3) the second signalling route gateway SRG2Transfer a request to the second monitoring system VSS2。
4) the second monitoring system VSS2Respond the second signalling route gateway SRG2。
5) the second signalling route gateway SRG2Response is transmitted to the first signalling route gateway SRG1。
6) the first signalling route gateway SRG1Transmit responses to the first monitoring system VSS1。
7) when an event occurs, the second monitoring system VSS2To the second signalling route gateway SRG2Send notice.
8) the second signalling route gateway SRG2Notice is transmitted to the first signalling route gateway SRG1。
9) the first signalling route gateway SRG1Notice is transmitted to the first monitoring system VSS1。
10) the first monitoring system VSS1Respond the first signalling route gateway SRG1。
11) the first signalling route gateway SRG1Transmit responses to the second signalling route gateway SRG2。
12) the second signalling route gateway SRG2Response is transmitted to the second monitoring system VSS2。
In an embodiment of the present invention, communication request may include the subscription message of facility inventory.When the first monitoring Whether system needs to obtain the equipment in the second monitoring system when changing, and the first monitoring system can be to the second monitoring system The subscription message of sending device catalogue, the second monitoring system after receiving the subscription message, monitor internal system equipment whether It changes, if the equipment for monitoring internal system is changed, the second monitoring system can be sent out to the first monitoring system Equipment change is sent to notify.
A kind of more specific embodiment is provided below to be illustrated, referring to Fig. 7, Fig. 7 is prison provided in an embodiment of the present invention The 5th kind of signaling diagram for controlling intersystem communications method, when the first communication request includes the subscription message of facility inventory, above-mentioned mistake Journey can be divided into following refinement step:
1) the first monitoring system VSS1To the first signalling route gateway SRG1Sending device catalogue subscribes to request.
2) the first signalling route gateway SRG1Transfer a request to the second signalling route gateway SRG2。
3) the second signalling route gateway SRG2Transfer a request to the second monitoring system VSS2。
4) the second monitoring system VSS2Facility inventory is returned into the second signalling route gateway SRG2。
5) the second signalling route gateway SRG2Facility inventory is transferred to the first signalling route gateway SRG1。
6) the first signalling route gateway SRG1Facility inventory is transferred to the first monitoring system VSS1。
7) when facility inventory changes, the second monitoring system VSS2To the second signalling route gateway SRG2Send update message.
8) the second signalling route gateway SRG2Transmit the message to the first signalling route gateway SRG1。
9) the first signalling route gateway SRG1Message is returned into the first monitoring system VSS1。
10) the first monitoring system VSS1Respond the first signalling route gateway SRG1。
11) the first signalling route gateway SRG1Transmit responses to the second signalling route gateway SRG2。
12) the second signalling route gateway SRG2Response is transmitted to the second monitoring system VSS2。
In an embodiment of the present invention, it can be interconnected between multiple monitoring systems, realize multiple monitoring systems Between resource-sharing.A kind of schematic diagram interconnected between 4 monitoring systems is shown referring to Fig. 8, Fig. 8.If two of them The framework of monitoring system is different, and the used network transmission protocol is different, then can pass through control protocol gateway CPG switching network Transport protocol.If coded format used in the media resource of two monitoring systems is different, distribution of media gateway can also be passed through Convert media coding format.
In an embodiment of the present invention, multiple monitoring systems can be with cascade connection.Show multiple referring to Fig. 9, Fig. 9 A kind of schematic diagram of cascade connection between monitoring system.As shown in figure 9, the first monitoring system is to establish and third monitoring system Communication connection, needs first to access the second monitoring system.
The first monitoring system of one kind is given below, communication connection is established by the second monitoring system and third monitoring system Embodiment.In this embodiment, monitoring system further includes third monitoring system and third signalling route gateway SRG3。
Then above-mentioned first monitoring system can by the process that the second monitoring system and third monitoring system establish communication connection To include following refinement step:
Step 31: the first monitoring system is to the first signalling route gateway SRG1The communication sent for third monitoring system is asked It asks.
Step 32: the first signalling route gateway SRG1Communication request is sent to the second signalling route gateway SRG2。
Step 33: the second signalling route gateway SRG2Communication request is sent to third signalling route gateway SRG3。
Step 34: third signalling route gateway SRG3Based on the network transmission protocol of third monitoring system, conversion communication is asked The network transmission protocol asked, the communication request after being converted；Communication request after conversion is sent to third monitoring system.
Step 35: the communication request after the processing conversion of third monitoring system.
Third monitoring system can identify the communication request after conversion, so as to handle the communication request, since this is logical Letter request is initially to be sent by the first monitoring system, therefore establish the first monitoring system and third prison in this way The communication connection of control system.
It can be seen that reciprocity can be disposed between different monitoring systems in the embodiment of the present invention, portion can also be cascaded Administration, can be configured according to actual needs, convenient for the extension of video monitoring service, also improve the utilization of video monitoring resource Rate.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including element.
Each embodiment in this specification is all made of relevant mode and describes, same and similar portion between each embodiment Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system reality For applying example, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring to embodiment of the method Part explanation.
The above is merely preferred embodiments of the present invention, it is not intended to limit the scope of the present invention.It is all in this hair Any modification, equivalent replacement, improvement and so within bright spirit and principle, are included within the scope of protection of the present invention.

Claims (7)

1. communication means between a kind of monitoring system, which is characterized in that the monitoring system includes the first monitoring system and the second prison Control system passes through the first signalling route gateway SRG between first monitoring system and second monitoring system1With the second letter Enable routing gateway SRG2Connection；The described method includes:
First monitoring system is to the first signalling route gateway SRG1The communication sent for second monitoring system is asked It asks；
The first signalling route gateway SRG1Based on the network transmission protocol of first monitoring system, by the communication request It is sent to the second signalling route gateway SRG2；
The second signalling route gateway SRG2Based on the network transmission protocol of second monitoring system, converts the communication and ask The network transmission protocol asked, the communication request after being converted；Communication request after the conversion is sent to second prison Control system；
Second monitoring system handles the communication request after the conversion.
2. the method according to claim 1, wherein the monitoring system includes the first distribution of media gateway MDG1 With the second distribution of media gateway MDG2, the method also includes:
First monitoring system generates media transmission request, and media transmission request is sent to first signaling road By gateway SRG1；
The network transmission protocol of the first signalling route gateway based on first monitoring system, the media transmission is requested It is sent to the second signalling route gateway SRG2；
The second signalling route gateway SRG2Based on the network transmission protocol of second monitoring system, converts the media and pass The network transmission protocol of defeated request, the media transmission request after being converted；Media transmission after the conversion is requested to send To the second distribution of media gateway MDG2；
The second distribution of media gateway MDG2According to the media transmission request after the conversion, target medium resource, and base are obtained In the media transmission protocol and media coding format of second monitoring system, acquired target medium resource is sent to institute State the first distribution of media gateway MDG1；
The first distribution of media gateway MDG1The media transmission protocol of the target medium resource and media coding format are converted Media resource for the media transmission protocol and media coding format of the first monitoring system, after being converted.
3. the method according to claim 1, wherein the monitoring system includes the first distribution of media gateway MDG1 With the second distribution of media gateway MDG2, the method also includes:
First monitoring system generates the video playback request for target video, and video playback request is sent to The first signalling route gateway SRG1；
The network transmission protocol of the first signalling route gateway based on first monitoring system, the video playback is requested It is sent to the second signalling route gateway SRG2；
The second signalling route gateway SRG2Based on the network transmission protocol of second monitoring system, converts the video and return The network transmission protocol for putting request, the video playback request after being converted；Video playback after the conversion is requested to send To the second distribution of media gateway MDG2；
The second distribution of media gateway MDG2According to the video playback request after the conversion, target video resource, and base are obtained In the media transmission protocol and media coding format of second monitoring system, acquired target video resource is sent to institute State the first distribution of media gateway MDG1；
The first distribution of media gateway MDG1The media transmission protocol of the target video resource and media coding format are converted Video resource for the media transmission protocol and media coding format of the first monitoring system, after being converted.
4. the method according to claim 1, wherein the communication request includes control command,
Second monitoring system handles the communication request after the conversion, comprising:
Second monitoring system parses the communication request, obtains control command,
According to the control command, controls the equipment in second monitoring system and execute translation, inclination and/or zoom operations.
5. the method according to claim 1, wherein the communication request includes the subscription message of particular event,
Second monitoring system handles the communication request after the conversion, comprising:
Second monitoring system monitors the particular event whether occurs inside this system；
If monitoring that the particular event occurs inside this system, second monitoring system is sent to first monitoring system The particular event notifies.
6. the method according to claim 1, wherein the communication request includes the subscription message of facility inventory,
Second monitoring system handles the communication request after the conversion, comprising:
Second monitoring system monitors whether the equipment inside this system is changed；
If monitoring, the equipment inside this system is changed, and second monitoring system is set to first monitoring system transmission Standby notice of change.
7. the method according to claim 1, wherein the monitoring system further includes third monitoring system and third Signalling route gateway SRG3；Pass through the second signalling route gateway between second monitoring system and the third monitoring system SRG2With third signalling route gateway SRG3Connection；
The method also includes:
First monitoring system is to the first signalling route gateway SRG1The communication sent for the third monitoring system is asked It asks；
The first signalling route gateway SRG1The communication request is sent to the second signalling route gateway SRG2；
The second signalling route gateway SRG2The communication request is sent to the third signalling route gateway SRG3；
The third signalling route gateway SRG3Based on the network transmission protocol of the third monitoring system, converts the communication and ask The network transmission protocol asked, the communication request after being converted；Communication request after the conversion is sent to the third prison Control system；
The third monitoring system handles the communication request after the conversion.
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