CN101483758B - Fusion system for video monitoring system and video meeting system - Google Patents
Fusion system for video monitoring system and video meeting system Download PDFInfo
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Abstract
An involvement system of a video monitor system and a video session system provided in the invention comprises that the video monitor system and the video session system are provided with an IP network for transmission, to thereby implement transmission and interaction of data through the IP network; a video monitor control platform of the video monitor system and a multipoint control unit of the video session system are both provided with separation processing of control data and media data, with one to one data processing structure, where a protocol processing module is set correspondingly in an image schedule control core unit of the video monitor system according to the protocol used by the video session system, to thereby implement display of the video monitor system coder, to the video session system terminal output to external televisions, and display from the video session system terminal to the video monitor system to the external large screen by means of the image decoder output control core unit. With the structure of P2P communication here provided, it implements communication of control data and media data, and resolves problems in current technology that the two sets of systems are independent to each other, without data commutation.
Description
Technical field
The invention belongs to technical field of image processing, relate to video monitoring system and video conferencing system field, particularly the interworking technology of video monitoring system and video conferencing system.
Background technology
Video conference is a kind of typical interactive video application system, and its networking depends on the video conference device (like multipoint control unit, conference terminal etc.) of specialty, and the communicating requirement of equipment room is followed strict protocol architecture (H.323 waiting like ITU-T); Much more more video monitoring then lays particular emphasis on the one-way video transmission, is made up of comparatively simple video coding and decoding device and controlling platform usually, and equipment room does not also have the uniform communication standard at present.
At present; Dispose the user of video conference and two kinds of application of video monitoring simultaneously for needs; Often will build two cover networks, a cover adopts multipoint control unit and conference terminal to constitute video conference network, and a cover adopts video coding and decoding device and controlling platform to constitute video surveillance network; Two cover systems are separate, and data can't intercommunication.
Realize the integration technology of video monitoring system and video conferencing system; At present, also do not have consistent solution on the market, in general can realize the intercommunication of the media data flow of both systems in theory through the switching of analog image secondary; But the intercommunication of transferring and realizing through the analog image secondary; Be difficult to be guaranteed from picture quality, because just there is the image loss in image after once transferring, loss is just more obvious after the secondary switching; Therefore picture quality is relatively poor, and the user is difficult to accept from using.
Also having solution is with the access point of the terminal equipment in the video conferencing system as video monitoring system and video conferencing system fusion.This video conference system terminal possesses the multi-channel video input port, for inserting the site of meeting with two kinds of vision signals of monitoring simultaneously, can realize that physical connection and selection upload.Meeting video camera (being usually located in the meeting-place) and rig camera (being positioned at indoor or outdoors) are linked on this terminal through video line and control line respectively simultaneously, are accomplished selection, switching and the coding of video source signal by this terminal and upload.When holding a meeting, select the meeting video source to upload, select the monitor video source to upload when not having a meeting; Also can when holding a meeting, select the monitor video source to upload, realize graphical analysis or integrated applications such as floor manager and scheduling through resource-sharing.At central point, accomplish multiple spot control and functions such as code stream processing and distribution by multipoint control unit and center monitoring platform respectively to video conference and video monitoring.
Following to this program analysis:
1. though this scheme has addressed the problem of the intercommunication access point of video conferencing system and video monitoring system from the terminal equipment of video conferencing system; But separately in general from video conferencing system and video monitoring system; Just insert part and realized the shared of video conferencing system and video monitoring system at the media data flow front end; Both independently carry out processing, forwarding and the demonstration of media data flow separately, do not realize the real intercommunication of both media data flows.
2. in addition, also can occur other problem with video conference system terminal as the intercommunication access point, mainly be that video conferencing system and video monitoring system are to have bigger difference at aspects such as image accesses, analyzes as follows:
● image inserts: what the video conference TV was caught is the single portrait data of metastable picture; The frame rate of image being required not high, is the real-time image scene in the accident and supervisory control system is caught, when the on-the-spot people of monitoring or object are done high-speed motion; The frame update rate is had relatively high expectations; Whole communication link will all be distributed to channel width the one side use of warning, otherwise blocking effect (being mosaic phenomenon) will appear in high speed image; Some valuable view data are thickened, lost use value.
● Long-distance Control: supervisory control system all has the cradle head control function; The control of video camera is not only required on the local terminal work station accomplishes; And; Requirement also can easily be carried out at far-end, so as control centre can be from different perspectives, different parts observes monitored object, video conference does not then possess this function.
● alarm linkage: supervisory control system all has the alarm linkage function; The main purposes of supervisory control system is to set up unattended station; Main place, operational outfit and switch etc. in standing will be kept watch on its operating state at any time, in case when changing, frequency image monitoring system can be discerned and make a response automatically; This just requires system that the function of promptly deploying troops on garrison duty can be set the part of picture.System when other warning facility changes in the station in addition, should give frequency image monitoring system, so that to special monitoring in this position and record, simultaneously, will make other reaction with these data passes.That is to say that picture control will realize seamless link with other alarm facility, video conference does not then possess warning function.
● dilatation and compatibility: when video monitoring system is built, require on the one hand will get well the support of existing network, simultaneously, the extendible capacity ability of system is eager to excel, so that make frequency image monitoring system begin to be expanded into gradually an integrated network from small-scale.And video conference expansion dilatation function ratio is less, need carry out the replacing of integral device usually.Therefore, both dilatations are inconsistent with compatible Capability Requirement and rate request.
● coding techniques: video monitoring system and video conferencing system coding techniques are inconsistent, and perhaps H.264 video monitoring is general at present adopts MPEG-2, MPEG-4, and H.261, H.263 or H.263+ video conferencing system adopts.
Summary of the invention
General video monitoring system and video conferencing system can not intercommunication basic reason be that both system architecture difference is excessive; Realize that the interconnecting of two kinds of systems that system architecture differs greatly is very difficult; Through video monitoring system controlling platform and video conference system multipoint controller are adopted reciprocity data processing framework; Be about to the data processing framework that video monitoring system controlling platform and video conference system multipoint controller all adopt control data its processing core unit and media data flow its processing core unit mask work; For the transfer of data of video monitoring system and video conferencing system with established system architecture basis alternately; And the built-in realization corresponding protocol processing of the agreement module of using according to video conferencing system in the control of the pattern scheduling in the video monitoring system core cell, thereby the fusion of realization video monitoring system and video conferencing system.
In order to realize said purpose; The present invention provides the emerging system of a kind of video monitoring system and video conferencing system; Its technical scheme is: between video conferencing system and video monitoring system, be connected with IP network; The transmission that is used to realize video conferencing system and video monitoring system control data and media data flow is with mutual; Through video monitoring system controlling platform in the video monitoring system and the multipoint control unit in the video conferencing system are adopted reciprocity data processing framework; Be about to the data processing framework that video monitoring system controlling platform and multipoint control unit all adopt control data its processing core unit and media data flow its processing core unit mask work; And the built-in realization corresponding protocol processing of the agreement module of using according to video conferencing system in the control of the pattern scheduling in the video monitoring system core cell; Thereby realize the fusion of video monitoring system and video conferencing system; The emerging system of this video monitoring system and video conferencing system comprises from video monitoring system front end camera through outputing to the demonstration of outside TV to video conferencing system through the terminal of video conferencing system after the encoder of video monitoring system, and outputs to the outside demonstration that shows large-screen from the terminal of video conferencing system to the picture decoding output control core cell of video monitoring system through video conferencing system.
According to embodiments of the invention; Said video conferencing system comprises: multipoint control unit and terminal; And both connect and data communication through IP network, and data comprise control data and media data flow, and the data handling procedure of video conferencing system is relevant with the agreement that use at multipoint control unit and terminal; Different agreement has determined the difference of terminal type; Multipoint control unit be responsible for three or more the multiple terminals participate in a multipoint conference service, or connect two terminals and constitute point-to-point meeting, perhaps three above terminals constitute multipoint conferences; Multipoint control unit is made up of two parts: single multipoint controller and a plurality of multipoint processor.
According to embodiments of the invention; Said video monitoring system comprises: video monitoring system controlling platform, encoder and picture decoding output control core cell; And the three connects and data communication through IP network, and data comprise control data and media data flow;
Wherein, The video monitoring system controlling platform has media data flow processing, forwarding, storage capacity and platform extended capability concurrently; Can fully form according to the customized platform of user's demand, the video monitoring system controlling platform is made up of pattern scheduling control core cell and image transmission control core cell;
Pattern scheduling control core cell is responsible for the unified control and management of video monitoring system controlling platform and even whole video supervisory control system, includes but not limited to: can according to the user authority management needs be provided with system equipment management quantity and operating function scope, to the access-in management of encoder, to the media data flow of image transmission control core cell transmit and storage is provided with, to the image mosaic demonstration setting of picture decoding output control core cell, to the configuration management of the superior and the subordinate's video monitoring system; The not responsible processing of described pattern scheduling control core cell to media data flow;
Image transmission control core cell is responsible for processing, forwarding, the storage of media data flow; The requirement that the view data that the front end camera is obtained through encoder afterwards shows image according to pattern scheduling control core cell is transmitted to corresponding picture decoding output control core cell and carries out the image demonstration, according to pattern scheduling control core cell real-time storage is carried out in the requirement of image storage;
Wherein, encoder is responsible for the analog image of video monitoring system front end camera is passed through encoding compression, converts the DID that meets the IP network transmission requirement to and supplies video monitoring system to use;
Wherein, picture decoding output control core cell is responsible for carrying out according to the requirement of pattern scheduling control core cell the picture splicing demonstration of image.
According to embodiments of the invention, said IP network is the connected mode between video monitoring system and the video conferencing system, and promptly video monitoring system and video conferencing system are to carry out the mutual of control data and media data flow through IP network; Multipoint controller and pattern scheduling control core cell are set up control data through IP network transmission is with mutual, and multipoint processor and image transmission control core cell are set up media data flow through IP network transmission is with mutual; Data interaction between video monitoring system and the video conferencing system is controlled by originating end; If the transfer of data from the video conferencing system to the video monitoring system, multipoint controller is the mutual originating end of control data, and multipoint processor is the mutual originating end of media data flow; If the transfer of data from the video monitoring system to the video conferencing system, pattern scheduling control core cell is the mutual originating end of control data, and image transmission control core cell is the mutual originating end of media data flow.
According to embodiments of the invention; The video monitoring system course of work is by encoder the original image that camera obtains to be encoded; After pattern scheduling control core cell starts; Pattern scheduling control core cell connects automatic and encoder, through pattern scheduling control core cell the scheduling of image is controlled, specifically; Be exactly the control that image transmission control core cell can be controlled core cell according to pattern scheduling, certain road image of encoder be transmitted to corresponding picture decoding output control core cell carry out image and show; Simultaneously, image transmission control core cell can be controlled core cell according to pattern scheduling real-time storage is carried out in the requirement of image storage.
According to embodiments of the invention, realize video monitoring system and video conferencing system intercommunication, H.323 and Session Initiation Protocol need control in the core cell built-in realization at the pattern scheduling of video monitoring system; The external interface of multipoint control unit (11), pattern scheduling control core cell (211) and image transmission control core cell (212) is the network interface mode; In the resident program of intercepting accordingly of network interface, the control data that the multipoint controller of the multipoint control unit of video conferencing system sends is intercepted; When adopting H.323 agreement; If the control data that sends from video conferencing system meets H.323 agreement control corresponding data format; The pattern scheduling control core cell of video monitoring system will allow multipoint controller to communicate by letter with the foundation of pattern scheduling control core cell; Multipoint controller will be informed pattern scheduling control core cell; The multipoint processor of video conferencing system has been carried out media data flow and has been sent preparation, and the pattern scheduling of video monitoring system control core cell is with the multipoint controller of the meeting-place image request notice video conferencing system of the video conferencing system of needs then; This network interface also is the media data flow interactive interface of multipoint processor and the image in video monitoring system transmission control core cell of the multipoint control unit of video conferencing system simultaneously; Through multipoint controller in the video conferencing system and the control of the pattern scheduling in video monitoring system core cell interaction control data, through the multipoint processor and the transmission of the image in the video monitoring system control core cell interactive media data flow of video conferencing system; After the built-in realization video conferencing system of the pattern scheduling control core cell corresponding protocol processing module of video monitoring system; Pattern scheduling control core cell function is just to equaling the multipoint controller part of multipoint control unit; Connect between such two multipoint controllers; Thereby carry out peer-to-peer communications, image transmission control core cell in the video monitoring system and the multipoint processor in the video conferencing system carry out peer-to-peer communications simultaneously.
According to embodiments of the invention, the step that a kind of image from the video monitoring system to the video conferencing system shows is:
Steps A: pattern scheduling control core cell detects the existence of encoder, attempts connecting with encoder;
Step B: encoder sends to pattern scheduling control core cell and connects acknowledge message;
Step C: encoder sends the message of preparing to receive transmitted image to pattern scheduling control core cell;
Step D: encoder and pattern scheduling control core cell are accomplished and are connected;
Step e: pattern scheduling control core cell sends instruction to encoder, needs the image that transmits to encoder explanation, and the image that encoder will transmit according to the requirement of pattern scheduling control core cell sends image to and transmits and control core cell;
Step F: pattern scheduling control core cell is set up through the multipoint controller of the multipoint control unit of H.323 built-in or Session Initiation Protocol processing module and video conferencing system and is communicated by letter; Inform multipoint controller; The image transmission control core cell of the pattern scheduling of video monitoring system control core cell and video monitoring system is ready, be ready for sending video conferencing system need the image of video monitoring system;
Step G: the multipoint controller of multipoint control unit is with pattern scheduling control core cell in the view data notice video monitoring system of needs;
Step H: the view data notice image transmission control core cell that the pattern scheduling control core cell of video monitoring system needs video conference system multipoint controller;
Step I: the image of video monitoring system transmission control core cell is according to the requirement of pattern scheduling control core cell, sends the view data of needs in video conferencing system multipoint processor;
Step J: the multipoint processor by the multipoint control unit in the video conferencing system will need images displayed to be sent to relevant terminal, output on the television set;
Image from the video monitoring system to the video conferencing system shows end.
According to embodiments of the invention, the step that the image from the video conferencing system to the video monitoring system shows is:
Steps A
1: the multipoint controller of multipoint control unit detects the existence at terminal, and trial and terminal connect;
Step B
1: the connection acknowledge message is sent to the multipoint controller of multipoint control unit in the terminal;
Step C
1: the message of preparing the beginning meeting is sent to the multipoint controller of multipoint control unit in the terminal;
Step D
1: the multipoint controller of terminal and multipoint control unit is accomplished and is connected, the conference creation success;
Step e
1: multipoint controller sends instruction to certain terminal, and to the meeting field picture that this terminal explanation need transmit, the multipoint processor that field picture sends multipoint control unit to will be understood according to the requirement of multipoint controller in this terminal;
Step F
1: the H.323 built-in or Session Initiation Protocol processing module of pattern scheduling control core cell; Multipoint controller is set up with pattern scheduling control core cell and is communicated by letter; And inform pattern scheduling control core cell; The multipoint processor of video conferencing system is ready, is ready for sending the meeting field picture of the video conferencing system of video monitoring system needs;
Step G
1: the pattern scheduling control core cell of video monitoring system is with the multipoint controller of the meeting-place image request notice video conferencing system of the video conferencing system of needs;
Step H
1: the multipoint controller of video conferencing system is with the multipoint processor of the meeting-place image request notice video conferencing system of the pattern scheduling control core cell needs of video monitoring system;
Step I
1: multipoint processor is transferred to certain meeting-place media data flow of video monitoring system needs the image transmission control core cell of video monitoring system according to the requirement of multipoint controller;
Step J
1: the meeting field picture that will be shown by the transmission of the image in video monitoring system control core cell sends to corresponding picture decoding output control core cell, outputs to outside the demonstration on the large-screen;
Image from the video conferencing system to the video monitoring system shows end.
Beneficial effect of the present invention:
● since video monitoring system of the present invention and video conferencing system designed can peer-to-peer communications structure, the problem of regardless of being that control data or media data flow can both be realized intercommunication, solved that prior art two cover systems are separate, data can't intercommunication;
● the secondary analog switching is not used in the intercommunication between video monitoring system and the video conferencing system, the technical scheme that has adopted the whole network of once encoding to use, and having guaranteed can not influence picture quality;
● video conferencing system and video monitoring system can intercommunications; Two cover systems can be simultaneously independent operating separately; Can not disturb each other, avoid the serial problem that the access point that the terminal equipment in the video conferencing system merges as video monitoring system and video conferencing system is caused.
Description of drawings
Fig. 1 is that video monitoring of the present invention and video conferencing system merge sketch map;
Fig. 2 is that video monitoring of the present invention and video conferencing system integration technology realize sketch map;
Fig. 3 is the image Display Realization process sketch map of the present invention from the video monitoring system to the video conferencing system;
Fig. 4 is the image Display Realization process sketch map of the present invention from the video conferencing system to the video monitoring system;
Fig. 5 is a video conferencing system implementation procedure of the present invention;
Fig. 6 is a video monitoring system implementation procedure of the present invention.
Embodiment
Below in conjunction with accompanying drawing and instance the present invention is further specified, will describe step of the present invention and the process of realizing better to the detailed description of each building block of system in conjunction with the drawings.Be noted that described instance only is regarded as illustrative purposes, rather than limitation of the present invention.
Merge shown in the sketch map like Fig. 1 video monitoring of the present invention and video conferencing system; Emerging system kernel entity as video monitoring system and video conferencing system; Have among Fig. 1: video conferencing system 1, video monitoring system 2 and realize both control datas and media data flow transmission and mutual IP network 3; Wherein video conferencing system 1 realizes wired connection with video monitoring system 2 through IP network; Be used to realize video conferencing system 1 and the effective intercommunication of video monitoring system 2 in transmission, processing, forwarding and the demonstration of media data flow; Comprise that outputing to outside TV to video conferencing system 1 through terminal 12 through the image after the encoder 22 from video monitoring system 2 front end cameras shows, and output to through picture decoding output control core cell 23 from the image at the terminal 12 of video conferencing system 1 to video monitoring system 2 and outsidely to show that large-screen shows.
General technical principle of the present invention
Realize shown in the sketch map like Fig. 2 video monitoring system of the present invention and video conferencing system integration technology; As the emerging system kernel entity of video conferencing system 1 with video monitoring system 2; Contain altogether among Fig. 2: video conferencing system 1, video monitoring system 2 and realize both control datas and media data flow transmission and mutual IP network 3, wherein:
Video monitoring system controlling platform 21, encoder 22 and picture decoding output control core cell 23 all are hardware devices; Wherein, the device hardware interface of video monitoring system controlling platform 21 comprises 1 RJ45 10M/100M adaptive network interface and 1 COM control serial ports at least; The device hardware interface of encoder 22 comprises 1 road video standard BNC socket input (VIN) at least, 1 road audio standard BNC socket input (AIN), 1 road speech talkback input (LINE IN); 1 road speech talkback output (AOUT); 1 standard RS-232 control serial ports, 1 standard RS-485 cradle head control serial ports, 1 RJ45 10M/100M adaptive network interface; 1 tunnel warning input interface, 1 tunnel warning output interface; The device hardware interface of picture decoding output control core cell 23 comprises 1 RJ45 10M/100M adaptive network interface at least, and 1 COM controls serial ports and 1 VGA output interface or 1 AV composite video output interface.
The transmission that multipoint controller 111 and pattern scheduling control core cell 211 are set up control data among Fig. 2 through IP network 3 is with mutual, and multipoint processor 112 and image transmission control core cell 212 are set up media data flow through IP network 3 transmission is with mutual.Data interaction between video monitoring system 2 and the video conferencing system 1 is controlled by originating end.If from video conferencing system 1 to video monitoring system 2 transfer of data, that multipoint controller 111 is the mutual originating ends of control data, multipoint processor 112 is the mutual originating ends of media data flow; If from video monitoring system 2 to video conferencing system 1 transfer of data, that pattern scheduling control core cell 211 is the mutual originating ends of control data, image transmission control core cell 212 is the mutual originating ends of media data flow.
In addition; First terminal 121, second terminal 122 are connected with multipoint control unit 11 with n terminal 12n; Multipoint control unit 11 is connected with video monitoring system controlling platform 21; Video monitoring system controlling platform 21 is connected with picture decoding output control core cell 23; The dotted line of the picture decoding output control core cell 23 of first terminal 121 from video conferencing system 1 in the video monitoring system 2, expression be the demonstration that outputs to outside large-screen from the image at first terminal 121 of video conferencing system 1 to video monitoring system 2 through picture decoding output control core cell 23;
First encoder 221, second encoder 222 are connected with video monitoring system controlling platform 21 with n encoder 22n; Video monitoring system controlling platform 21 is connected with picture decoding output control core cell 23; The dotted line of the n terminal 12n of first encoder 221 from video monitoring system 2 in the video conferencing system 1, expression be the demonstration that outputs to outside TV from the image of first encoder 221 of video monitoring system 2 to the n terminal 12n of video conferencing system 1.The function structure of video conferencing system 1
Said multipoint control unit 11 is responsible for three or more multipoint conference service of multiple terminals 12 participation, and it also can connect two terminals 12 and constitute point-to-point meeting, and perhaps 3 above terminals 12 constitute multipoint conferences.
Said multipoint control unit 11 is made up of two parts: essential single multipoint controller 111 and optional a plurality of multipoint processors 112.
A multipoint control unit 11 always comprises a multipoint controller 111, and multipoint controller 111 carries out capability negotiation with all terminals 12, and to reach common communication capacity, it also can control conferencing resource, for example confirms by which station terminal 12 displaying videos.H.245 open between the multipoint controller 111 of control channel in conferencing endpoints and multipoint control unit 11, handle H.245 control channel from all conferencing endpoints by multipoint controller 111.Multipoint controller 111 does not carry out the mixing and the exchange of audio frequency, video and data.
The implementation procedure of video conferencing system 1
Shown in Fig. 5 video conferencing system implementation procedure of the present invention, the implementation procedure as video conferencing system contains among Fig. 5: the multipoint control unit 11 and the terminal 12 of video conferencing system 1 altogether.With multipoint control unit 11 as caller, terminal 12 as called be example, explain that the course of work between the multipoint control unit 11 and terminal 12 is divided into six steps in the video conferencing system.Terminal 12 is as caller, and multipoint control unit 11 is as similarly called.
Preceding step a, b, c and d are that the multipoint controller 111 in the multipoint control unit 11 is set up the process of calling out passages with terminal 12, and then step e and step f are multipoint processor 112 and the media data flow reciprocal process between the terminal 12 in the multipoint control unit 11.
Step a: multipoint control unit 11 calling terminals 12, beginning invitation;
Step b: the meeting confirmation is returned to multipoint control unit 11 in terminal 12;
Step c: the accurate information of Data Receiving is sent to multipoint control unit 11 in terminal 12;
Steps d: the information that connects is sent to multipoint control unit 11 in terminal 12, sets up and calls out passage;
Step e: terminal 12 begins to transmit the local terminal image to multipoint control unit 11;
Step f: multipoint control unit 11 transmits the synthetic image of other-ends 12 and gives terminal 12, is outputed to by terminal 12 on the display device such as television set.
The function structure of video monitoring system 2
As the kernel entity of video monitoring system 2, video monitoring system controlling platform 21 has powerful media data flow processing, forwarding, storage capacity and good platform extension ability concurrently, can fully form according to the customized platform of user's demand.Video monitoring system controlling platform 21 is made up of pattern scheduling control core cell 211 and image transmission control core cell 212.
Pattern scheduling control core cell 211; Pattern scheduling control core cell 211 and image transmission control core cell 212, encoder 22 and picture decoding output are controlled core cell 23 and are connected through IP network; Be responsible for the video monitoring system controlling platform 21 of video monitoring system 2 and even the unified control and management of whole video supervisory control system 2; The scope of system equipment management quantity and operating function can be set according to the user authority management needs; Comprise access-in management to encoder 22; Setting is transmitted and stored to media data flow to image transmission control core cell 212, and the image mosaic of the picture decoding output control core cell 23 of video monitoring system 2 shows setting, also comprises the configuration management of the superior and the subordinate's video monitoring system 2.The processing of pattern scheduling control core cell 211 not responsible media data flows.
Image transmission control core cell 212; Image transmission control core cell 212 and pattern scheduling control core cell 211, encoder 22 and picture decoding output are controlled core cell 23 and are connected through network; Be responsible for processing, forwarding, the storage of media data flow; The requirement that will transmit according to the system diagram picture from the image that head end encoder 22 receives is transmitted to corresponding picture decoding output control core cell 23, carries out corresponding image and shows.
The implementation procedure of video monitoring system 2
Shown in Fig. 6 video monitoring system implementation procedure of the present invention; Implementation procedure as video monitoring system contains among Fig. 6: connect through IP network between the video monitoring system controlling platform 21 of video monitoring system 2, encoder 22 and the picture decoding output control core cell 23 altogether., explain from the encoder 22 of video monitoring system 2 to collect image, the course of work that on large-screen, shows to the end as connecting originating end with video monitoring system controlling platform 21., just when encoder 22 starts, go to connect video monitoring system controlling platform 21 automatically and connect, only this difference as connecting originating end similarly with encoder 22.
Four the step a in front
1, b
1, c
1And d
1It is the process that pattern scheduling control core cell and encoder 22 in the video monitoring system controlling platform 21 connect; How encoder 22 images that also comprise system's setting are dispatched; How to show; Promptly confirm a certain road image of some encoders 22 is shown to certain position on some large-screens, step e afterwards
1, f
1Be that image transmission control core cell 212 in the video monitoring system controlling platform 21 is transmitted to picture decoding output control core cell 23 in order to output to large-screen with media data flow.
The fusion of video monitoring system 2 and video conferencing system 1
Technology realizes
Referring to accompanying drawing 2 and accompanying drawing 3, be the sketch map that 1 image shows from video monitoring system 2 to video conferencing system; Referring to accompanying drawing 2 and accompanying drawing 4, be the sketch map that 2 image shows from video conferencing system 1 to video monitoring system.
Instance 1: like Fig. 3 the present invention from video monitoring system 2 to video conferencing system shown in 1 the image Display Realization process sketch map; Contain altogether among Fig. 3: video conferencing system 1; Video monitoring system 2 and both control datas of realization and media data flow transmission and mutual IP network 3, wherein:
Pass through the intercommunication that IP network 3 is realized control datas between the pattern scheduling control core cell 211 in the multipoint controller 111 among Fig. 3 in multipoint control unit 11 and the video monitoring system controlling platform 21 of video monitoring system 2; Pass through the intercommunication that IP network 3 is realized media data flows between the image transmission control core cell 212 in the multipoint processor 112 in multipoint control unit 11 and the video monitoring system controlling platform 21 of video monitoring system 2.What represent among the figure in addition, is that the process that the terminal 12 from the image of the encoder 22 of video monitoring system 2 to video conferencing system shows is divided into ten steps.
Instance 2: like Fig. 4 the present invention from video conferencing system 1 to video monitoring system shown in 2 the image Display Realization process sketch map; Contain altogether among Fig. 4: video conferencing system 1; Video monitoring system 2 and both control datas of realization and media data flow transmission and mutual IP network 3; Wherein: video conferencing system 1 contains: multipoint control unit 11 and terminal 12, and wherein multipoint controller 111 contains: multipoint controller 111 and multipoint processor 112; Video monitoring system 2 contains: video monitoring system controlling platform 21, encoder 22 and picture decoding output control core cell 23; Wherein video monitoring system controlling platform 21 contains pattern scheduling control core cell 211 and image transmission control core cell 212, and wherein pattern scheduling is controlled core cell 211 built-in realizations H.323 agreement or Session Initiation Protocol.Pass through the intercommunication that IP network 3 is realized control datas between multipoint controller 111 among Fig. 4 in multipoint control unit 11 and the control of the pattern scheduling in the video monitoring system controlling platform 21 core cell 211; Pass through the intercommunication that IP network 3 is realized media data flows between multipoint processor 112 in multipoint control unit 11 and the transmission of the image in the video monitoring system controlling platform 21 control core cell 212.What represent among the figure in addition, is that the process that the output from the image at the terminal 12 of video conferencing system 1 to video monitoring system 2 shows is divided into ten steps.
Video monitoring system 2 is by video monitoring system controlling platform 21, and encoder 22 is formed with picture decoding output control core cell 23, and wherein video monitoring system controlling platform 21 contains pattern scheduling control core cell 211 and image transmission control core cell 212.By encoder 22 original image that camera obtains is encoded; After pattern scheduling control core cell 211 starts; Automatic and encoder 22 are connected; The user can control through the scheduling that pattern scheduling is controlled 211 pairs of images of core cell; Specifically, be exactly that pattern scheduling is controlled the settings of core cell 211 meeting completion to the transmission of encoder 22 images, set and know that needing encoder 22 to upload to image transmits the image of controlling core cell 212 and how to show this road image of uploading.After the image uploading that encoder 22 is uploaded needs is controlled core cell 212 to the image transmission; Image transmission control core cell 212 can be forwarded to the single or a plurality of picture decoding output control core cells 23 that need demonstration with this road image; DID by picture decoding output will be controlled after core cell 23 will be encoded is decoded; And realize the control that output shows, finally output on the large-screen.Video monitoring system 2 can also be carried out the storage of image; Similar with the transmission of image; Also being image to be forwarded on the equipment that can store by image transmission control core cell 212, can be that image transmission control core cell 212 is own, also can be the equipment that has the image memory function.Simultaneously; According to this system architecture; Pattern scheduling control core cell 211 can be managed a plurality of image transmission control core cells 212, and the concrete quantity of image transmission control core cell 212 can be confirmed according to the ability need of image transmission, so just can accomplish the expansion of system.Can see that no matter be the increase of the function of system, the still raising of the expansion of system and performance all has benefited from this system architecture, it is exactly that pattern scheduling control and image transmit to control and be separated at all, and independent operating separately.
Basic video conferencing system mainly is made up of multipoint control unit 11 and terminal 12.When holding a multipoint conference; At first called out by 111 pairs of terminals 12 of multipoint controller of multipoint control unit 11, specifically need set up exactly and set up communication between the multipoint controller 111 of terminal 12 and multipoint control unit 11, its process is relevant with the agreement of terminal 12 uses; It can be agreement H.323; Also can be Session Initiation Protocol, this depends on the type at terminal 12, for example H.323 terminal 12 or sip terminal 12.Terminal 12 has codec functions; The situation that can connect according to the multipoint controller 111 of terminal 12 and multipoint control unit 11; The image that this terminal 12 is belonged to sub-venues is through sending the multipoint processor 112 of corresponding multipoint control unit 11 to after encoding; Multipoint control unit 11 is redispatched to terminal 12 after the image data stream of each sub-venue is formed many split screens image data stream, and being decoded by terminal 12 outputs to television set.Video conferencing system can also be carried out the storage of video conference and is shown to the mode of large-screen; Simultaneously; In multipoint control unit 11; Multipoint controller 111 can cooperate a plurality of multipoint processors 112 to carry out work, and the quantity of multipoint processor 112 depends primarily on the quantity at the terminal 12 that needs processing.Can see, no matter be that the function of system increases, or the raising of the expansion of system and performance, all have benefited from this system architecture, it is exactly the separating of multipoint controller 111 and multipoint processor 112 in the multipoint control unit 11 at all, and independently carries out work separately.
Realize video monitoring system 2 and video conferencing system 1 intercommunication, need be in the pattern scheduling control core cell 211 of video monitoring system 2 built-in realization H.323 and Session Initiation Protocol.The external interface of multipoint control unit (11), pattern scheduling control core cell (211) and image transmission control core cell (212) is the network interface mode; In the resident program of intercepting accordingly of network interface, the control data that the multipoint controller 111 of the multipoint control unit 11 of video conferencing system 1 sends is intercepted.With agreement H.323 is example; If the control data that sends from video conferencing system 1 meets H.323 agreement control corresponding data format; The pattern scheduling control core cell 211 of video monitoring system 2 is just handled according to following processing procedure accordingly; This network interface also is the media data flow interactive interface of the image transmission control core cell 212 in multipoint processor 112 and the video monitoring system 2 of multipoint control unit 11 of video conferencing system 1 simultaneously; Control core cell 211 main interaction control datas through multipoint controller in the video conferencing system 1 111 and the pattern scheduling in the video monitoring system 2, control core cell 212 interactive media data flow through the multipoint processor 112 and the image transmission in the video monitoring system 2 of video conferencing system 1.The 211 built-in realizations of the pattern scheduling of video monitoring system 2 control core cell are H.323 or after the Session Initiation Protocol; Pattern scheduling control core cell 211 its functions just are similar to multipoint controller 111 parts of multipoint control unit 11; Can connect between such two multipoint controllers 111; Thereby carry out peer-to-peer communications, the image transmission control core cell 212 in the video monitoring system 2 also can carry out peer-to-peer communications with the multipoint processor 112 in the video conferencing system 1 simultaneously.
Specifically, as shown in Figure 3, the step that 1 image shows from video monitoring system 2 to video conferencing system is:
Steps A: pattern scheduling control core cell 211 detects the existence of encoder 22, attempts connecting with encoder 22;
Step B: encoder 22 sends to pattern scheduling control core cell 211 and connects acknowledge message;
Step C: encoder 22 sends the message of preparing to receive transmitted image to pattern scheduling control core cell 211;
Step e: pattern scheduling control core cell 211 sends instruction to encoder 22; To the image that encoder 22 explanations need to transmit, the image that encoder 22 will transmit according to the requirement of pattern scheduling control core cell 211 sends image to and transmits and control core cell 212;
Step F: pattern scheduling control core cell 211 is set up through the multipoint controller 111 of the multipoint control unit 11 of H.323 built-in or Session Initiation Protocol processing module and video conferencing system and is communicated by letter; Inform multipoint controller 111; The pattern scheduling of video monitoring system 2 control core cell 211 is ready with image transmission control core cell 212, can be ready for sending the image of the video monitoring system 2 that video conferencing system 1 needs;
Step G: the multipoint controller 111 of multipoint control unit 11 is with pattern scheduling control core cell 211 in the view data notice video monitoring system 2 of needs;
Step H: the view data notice image transmission control core cell 212 that video monitoring image scheduling controlling core cell 211 needs video conference system multipoint controller 111;
Step I: video monitoring image transmission control core cell 212 is according to the requirement of pattern scheduling control core cell 211, sends the view data of needs in the video conferencing system 1 multipoint processor 112;
Step J: the multipoint processor 112 by the multipoint control unit in the video conferencing system 1 11 will need images displayed to send to relevant terminal 12, output on the television set.
1 image shows end from video monitoring system 2 to video conferencing system.
As shown in Figure 4, the step that 2 image shows from video conferencing system 1 to video monitoring system is with 1 image display step is similar from video monitoring system 2 to video conferencing system, and step is:
Steps A
1: the multipoint controller 111 of multipoint control unit 11 detects the existence at terminal 12, and trial and terminal 12 connect;
Step B
1: the connection acknowledge message is sent to the multipoint controller 111 of multipoint control unit 11 in terminal 12;
Step C
1: the message of preparing the beginning meeting is sent to the multipoint controller 111 of multipoint control unit 11 in terminal 12;
Step D
1: the multipoint controller 111 of terminal 12 and multipoint control unit 11 is accomplished and is connected, the conference creation success;
Step e
1: multipoint controller 111 sends instruction to certain terminal 12, and to the meeting field picture that these terminal 12 explanations need transmit, this terminal 12 should field picture send multipoint processor 112 to according to the requirement of multipoint controller 111;
Step F
1: pattern scheduling control core cell 211 H.323 built-in or Session Initiation Protocol processing modules; Multipoint controller 111 is set up with pattern scheduling control core cell 211 and is communicated by letter; And inform pattern scheduling control core cell 211; The multipoint processor 112 of video conferencing system 1 is ready, is ready for sending the meeting field picture of the video conferencing system 1 of video monitoring system 2 needs;
Step G
1: the pattern scheduling control core cell 211 of video monitoring system 2 is with the multipoint controller 111 of the meeting-place image request notice video conferencing system 1 of the video conferencing system 1 of needs;
Step H
1: the multipoint controller 111 of video conferencing system 1 is with the multipoint processor 112 of the meeting-place image request notice video conferencing system 1 of pattern scheduling control core cell 211 needs of video monitoring system 2;
Step I
1: multipoint processor 112 is transferred to certain meeting-place media data flow of video monitoring system 2 needs the image transmission control core cell 212 of video monitoring system 2 according to the requirement of multipoint controller 111;
Step J
1: the meeting field picture that will be shown by the transmission of the image in the video monitoring system 2 control core cell 212 sends to corresponding picture decoding output control core cell 23, outputs to outside the demonstration on the large-screen.
2 image shows end from video conferencing system 1 to video monitoring system.
The above; Be merely the embodiment among the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with this technological people in the technical scope that the present invention disclosed; Can understand conversion or the replacement expected; All should be encompassed in of the present invention comprising within the scope, therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (8)
1. the emerging system of video monitoring system and video conferencing system; It is characterized in that: between video conferencing system (1) and video monitoring system (2), be connected with IP network (3); The transmission that is used to realize video conferencing system (1) and both control datas of video monitoring system (2) and media data flow is with mutual; Through video monitoring system controlling platform (21) in the video monitoring system (2) and the multipoint control unit (11) in the video conferencing system (1) are adopted reciprocity data processing framework; Be about to the data processing framework that video monitoring system controlling platform (21) and multipoint control unit (11) all adopt control data its processing core unit and media data flow its processing core unit mask work; And the built-in realization corresponding protocol processing of the agreement module of using according to video conferencing system (1) in the control core cell of the pattern scheduling in video monitoring system (2) (211); Thereby realize the fusion of video monitoring system (2) and video conferencing system (1); The emerging system of this video monitoring system and video conferencing system comprises from the encoder (22) of video monitoring system (2) front end camera through video monitoring system (2) and outputs to the demonstration of outside TV to video conferencing system (1) through the terminal (12) of video conferencing system (1) afterwards, and outputs to the outside demonstration that shows large-screen from the terminal (12) of video conferencing system (1) to the picture decoding output control core cell (23) of video monitoring system (2) through video monitoring system (2).
2. the emerging system of video monitoring system according to claim 1 and video conferencing system; It is characterized in that; Said video conferencing system (1) comprising: multipoint control unit (11) and terminal (12); And both connect and data communication through IP network, and data comprise control data and media data flow, and the data handling procedure of video conferencing system (1) is relevant with the agreement that use multipoint control unit (11) and terminal (12); Different agreement has determined the difference of terminal type; Multipoint control unit (11) be responsible for three or more multiple terminals (12) participate in a multipoint conference service, or connect two terminals and constitute point-to-point meeting, perhaps three above terminals constitute multipoint conferences; Multipoint control unit (11) is made up of two parts: single multipoint controller (111) and a plurality of multipoint processor (112).
3. the emerging system of video monitoring system according to claim 1 and video conferencing system; It is characterized in that; Said video monitoring system (2) comprising: video monitoring system controlling platform (21), encoder (22) and picture decoding output control core cell (23); And the three connects and data communication through IP network, and data comprise control data and media data flow;
Wherein, Video monitoring system controlling platform (21) has media data flow processing, forwarding, storage capacity and platform extended capability concurrently; Can fully form according to the customized platform of user's demand, video monitoring system controlling platform (21) is made up of pattern scheduling control core cell (211) and image transmission control core cell (212);
Pattern scheduling control core cell (211) is responsible for the unified control and management of video monitoring system controlling platform (21) and even whole video supervisory control system, includes but not limited to following scope: can according to the user authority management needs be provided with system equipment management quantity and operating function scope, to the access-in management of encoder (22), to the media data flow of image transmission control core cell (212) transmit and storage is provided with, to the image mosaic demonstration setting of picture decoding output control core cell (23), to the configuration management of the superior and the subordinate's video monitoring system; The not responsible processing of pattern scheduling control core cell (211) to media data flow;
Image transmission control core cell (212) is responsible for processing, forwarding, the storage of media data flow; The view data that the front end camera is obtained through encoder (22) is afterwards controlled requirement that core cell (211) shows image according to pattern scheduling and is transmitted to corresponding picture decoding output control core cell (23) and carries out image and show, according to pattern scheduling control core cell (211) real-time storage is carried out in the requirement of image storage;
Wherein, encoder (22) is responsible for the analog image of video monitoring system (2) front end camera is passed through encoding compression, converts the DID that meets the IP network transmission requirement to and supplies video monitoring system (2) to use;
Wherein, picture decoding output control core cell (23) is responsible for carrying out according to the requirement of pattern scheduling control core cell (211) the picture splicing demonstration of image.
4. the emerging system of video monitoring system according to claim 3 and video conferencing system; It is characterized in that; Said IP network (3) is the connected mode between video monitoring system (2) and the video conferencing system (1), and promptly video monitoring system (2) and video conferencing system (1) are to carry out the mutual of control data and media data flow through IP network; Multipoint controller (111) and pattern scheduling control core cell (211) is set up the transmission of control data with mutual through IP network (3), multipoint processor (112) and image transmission control core cell (212) are set up the transmission of media data flow and alternately through IP network (3); Data interaction between video monitoring system (2) and the video conferencing system (1) is controlled by originating end; If the transfer of data from video conferencing system (1) to video monitoring system (2), multipoint controller (111) is the mutual originating end of control data, and multipoint processor (112) is the mutual originating end of media data flow; If the transfer of data from video monitoring system (2) to video conferencing system (1), pattern scheduling control core cell (211) is the mutual originating end of control data, and image transmission control core cell (212) is the mutual originating end of media data flow.
5. the emerging system of video monitoring system according to claim 3 and video conferencing system; It is characterized in that; Video monitoring system (2) course of work is by encoder (22) original image that camera obtains to be encoded; After pattern scheduling control core cell (211) starts; Pattern scheduling control core cell (211) connects automatic and encoder (22), through pattern scheduling control core cell (211) scheduling of image is controlled, specifically; Be exactly that image transmission control core cell (212) can be according to the control of pattern scheduling control core cell (211), certain road image of encoder (22) be transmitted to corresponding picture decoding output control core cell (23) carry out image and show; Simultaneously, image transmission control core cell (212) can carry out real-time storage to the requirement of image storage according to pattern scheduling control core cell (211).
6. the emerging system of video monitoring system according to claim 1 and video conferencing system; It is characterized in that; H.323 and Session Initiation Protocol realize video monitoring system (2) and video conferencing system (1) intercommunication, need control in the core cell (211) built-in realization at the pattern scheduling of video monitoring system (2); The external interface of multipoint control unit (11), pattern scheduling control core cell (211) and image transmission control core cell (212) is the network interface mode; In the resident program of intercepting accordingly of network interface, the control data that the multipoint controller (111) of the multipoint control unit (11) of video conferencing system (1) sends is intercepted; When adopting H.323 agreement; If the control data that sends from video conferencing system (1) meets H.323 agreement control corresponding data format; The pattern scheduling control core cell (211) of video monitoring system (2) will allow multipoint controller (111) to communicate by letter with pattern scheduling control core cell (211) foundation; Multipoint controller (111) will be informed pattern scheduling control core cell (211); The multipoint processor (112) of video conferencing system (1) has been carried out media data flow and has been sent preparation, and the pattern scheduling of video monitoring system (2) control core cell (211) is with the multipoint controller (111) of the meeting-place image request notice video conferencing system (1) of the video conferencing system (1) of needs then; This network interface also is the media data flow interactive interface of multipoint processor (112) and the image in the video monitoring system (2) transmission control core cell (212) of the multipoint control unit (11) of video conferencing system (1) simultaneously; Through the control of the pattern scheduling in control of the multiple spot in the video conferencing system (1) (111) and the video monitoring system (2) core cell (211) interaction control data, through the multipoint processor (112) and the transmission of the image in the video monitoring system (2) control core cell (212) the interactive media data flow of video conferencing system (1); After pattern scheduling control core cell (211) built-in realization video conferencing systems (1) the corresponding protocol processing module of video monitoring system (2); Pattern scheduling control core cell (211) function is multipoint controller (111) part to equaling multipoint control unit (11) just; Connect between such two multipoint controllers (111); Thereby carry out peer-to-peer communications, image transmission control core cell (212) in the video monitoring system (2) and the multipoint processor (112) in the video conferencing system (1) carry out peer-to-peer communications simultaneously.
7. the method that the image in the emerging system of video monitoring system according to claim 1 and video conferencing system from the video monitoring system to the video conferencing system shows is characterized in that, comprising:
Steps A: pattern scheduling control core cell (211) detects the existence of encoder (22), attempts connecting with encoder (22);
Step B: encoder (22) sends to pattern scheduling control core cell (211) and connects acknowledge message;
Step C: encoder (22) sends the message of preparing to receive transmitted image to pattern scheduling control core cell (211);
Step D: encoder (22) is accomplished with pattern scheduling control core cell (211) and is connected;
Step e: pattern scheduling control core cell (211) sends instruction to encoder (22); To encoder (22) image that need to transmit is described, the image that the image that encoder (22) will transmit according to the requirement of pattern scheduling control core cell (211) sends video monitoring system (2) to transmits controls core cell (212);
Step F: pattern scheduling control core cell (211) is set up through the multipoint controller (111) of the multipoint control unit (11) of H.323 built-in or Session Initiation Protocol processing module and video conferencing system and is communicated by letter; Inform multipoint controller (111); The image transmission control core cell (212) of the pattern scheduling of video monitoring system (2) control core cell (211) and video monitoring system (2) is ready, be ready for sending video conferencing system (1) need the image of video monitoring system (2);
Step G: the multipoint controller (111) of multipoint control unit (11) is with pattern scheduling control core cell (211) in the view data notice video monitoring system (2) of needs;
Step H: the view data notice image transmission control core cell (212) that the pattern scheduling control core cell (211) of video monitoring system (2) needs video conference system multipoint controller (111);
Step I: (2) image of video monitoring system transmission control core cell (212) is according to the requirement of pattern scheduling control core cell (211), sends the view data of needs in the video conferencing system (1) multipoint processor (112);
Step J: the multipoint processor (112) by the multipoint control unit (11) in the video conferencing system (1) will need images displayed to be sent to relevant terminal (12), output on the television set;
Image from video monitoring system (2) to video conferencing system (1) shows end.
8. the method for displaying image in the emerging system of video monitoring system according to claim 1 and video conferencing system from the video conferencing system to the video monitoring system is characterized in that, comprising:
Steps A
1: the multipoint controller (111) of multipoint control unit (11) detects the existence of terminal (12), and trial and terminal (12) connect;
Step B
1: the connection acknowledge message is sent to the multipoint controller (111) of multipoint control unit (11) in terminal (12);
Step C
1: the message of preparing the beginning meeting is sent to the multipoint controller (111) of multipoint control unit (11) in terminal (12);
Step D
1: the multiple spot control (111) of terminal (12) and multipoint control unit (11) is accomplished and is connected, the conference creation success;
Step e
1: multipoint controller (111) sends instruction to certain terminal (12); To this terminal (12) the meeting field picture that needs transmission is described, the multipoint processor (112) that field picture sends multiple spot processing unit (11) to will be understood according to the requirement of multipoint controller (111) in this terminal (12);
Step F
1: the H.323 built-in or Session Initiation Protocol processing module of pattern scheduling control core cell (211); Multipoint controller (111) is set up with pattern scheduling control core cell (211) and is communicated by letter; And inform pattern scheduling control core cell (211); The multipoint processor (112) of video conferencing system (1) is ready, is ready for sending the meeting field picture of the video conferencing system (1) of video monitoring system (2) needs;
Step G
1: the pattern scheduling control core cell (211) of video monitoring system (2) is with the multipoint controller (111) of the meeting-place image request notice video conferencing system (1) of the video conferencing system (1) of needs;
Step H
1: the multipoint controller (111) of video conferencing system (1) is with the multipoint processor (112) of the meeting-place image request notice video conferencing system (1) of pattern scheduling control core cell (211) needs of video monitoring system (2);
Step I
1: multipoint processor (112) is transferred to certain meeting-place media data flow of video monitoring system (2) needs the image transmission control core cell (212) of video monitoring system (2) according to the requirement of multipoint controller (111);
Step J
1: the meeting field picture that will be shown by the transmission control core cell of the image in the video monitoring system (2) (212) sends to corresponding picture decoding output control core cell (23), outputs to outside the demonstration on the large-screen;
Image from video conferencing system (1) to video monitoring system (2) shows end.
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Inventor after: Li Pingshi Inventor after: Jin Song Fu Inventor after: Tang Min Inventor after: Jiang Xin Inventor before: Tang Min Inventor before: Jiang Xin |