CN101547341B - Method and device for realizing intercommunication of video monitoring system and video service system - Google Patents

Method and device for realizing intercommunication of video monitoring system and video service system Download PDF

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Publication number
CN101547341B
CN101547341B CN200810087399.6A CN200810087399A CN101547341B CN 101547341 B CN101547341 B CN 101547341B CN 200810087399 A CN200810087399 A CN 200810087399A CN 101547341 B CN101547341 B CN 101547341B
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video
interface equipment
service system
monitoring system
analog
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CN101547341A (en
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蔡康
李洪
李道远
朱英军
张涛
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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Abstract

The invention provides a device for realizing intercommunication of a video monitoring system and a video service system, which comprises the video monitoring system, a first interface device, the video service system, a second interface device and a third interface device, wherein the video monitoring system is used for sending digital video to the first interface device and receiving digital video sent by the third interface device; the first interface device is used for receiving the digital video sent by the video monitoring system, restoring the digital video into analog video and transmitting the analog video to the video service system; the video service system is used for receiving the analog video sent by the first interface device and sending the digital video to the second interface device; the second interface device is used for receiving the digital video sent by the video service system, restoring the digital video into analog video and transmitting the analog video to the third interface device; and the third interface device is used for receiving the analog video sent by the second interface device, decoding the analog video into digital video and sending the digital video to the video monitoring system. The device can realize the intercommunication of the video monitoring system and the video service system.

Description

A kind of method and apparatus of realizing video monitoring system and video service system intercommunication
Technical field
The present invention relates to communication technical field, particularly a kind of method and apparatus of realizing video monitoring system and video service system intercommunication.
Background technology
The development of video technique and other development communication technologies are similar, have experienced from analog to digital, again to the track of network Development.The development of optical technology and analog electrical signal technology, become to giving birth to the birth of video technique, video technique is the vision signal of taking along in continuous analog signal at first, and the analog video technology is because restriction, the distance of broadcasting and the video content of transmission of analogue technique have very large restriction.Along with the development of digital technology, digital video technology also has a great development, and can cross over the colourful video content of remote Distance Transmission.In network technology rapid today of exploitation, the networking tendency of video technique is also very swift and violent, large-scale video content even covered the whole world, and can be represented at each network tip.
Video traffic is used for providing take the applied business of video content as the basis to the user, can be divided into different operation systems according to purposes, and relatively more commonly used has following 3 kinds:
Video conferencing system is used for realizing the long-range strange land purposes of holding a meeting, have based on the IP bearer network H.323 with H.320 two kinds of special circuits; Video monitoring system is used for real-time video recording is carried out in certain real place, and in Video Applications system that the rear end display device represents; IPTV (TV over IP) system is at the video service system of IP bearer network broadcast TV program.
Existing various video traffics do not have the interface of considering with other video traffic intercommunications, so industry not yet have the technical scheme for the intercommunication of many video traffics owing to be that different video traffics all has standard separately for different business demand construction.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method and apparatus of realizing video monitoring system and video service system intercommunication, can avoid the operating such problem between each video traffic, thereby in all analog video technology realization intercommunications of compatible low layer of each video traffic.
In order to solve the problems of the technologies described above, the present invention proposes a kind of device of realizing video monitoring system and video service system intercommunication, comprising:
Video monitoring system is used for digital video is sent to first interface equipment, and receives the digital video that the 3rd interface equipment sends;
First interface equipment is used for receiving the digital video that described video monitoring system sends, and is transferred to video service system after it is reduced into analog video;
Video service system is used for receiving the analog video that described first interface equipment sends, and digital video is sent to the second interface equipment;
The second interface equipment is used for receiving the digital video that described video service system sends, and is transferred to the 3rd interface equipment after it is reduced into analog video;
The 3rd interface equipment is used for receiving the analog video that described the second interface equipment sends, and sends to described video monitoring system after it is encoded into digital video.
In addition, described first interface equipment also receives the signaling that described video service system sends, and converts thereof into the signaling of described video monitoring system identification, and sends to described video monitoring system.
In addition, described the 3rd interface equipment also receives the application request of described video monitoring system, and described application request is carried out sending to described the second interface equipment after the protocol conversion; And described the second interface equipment also receives described application request, and converts described signaling the signaling of described video service system identification to, and sends to described video service system.
In addition, described video service system sends to described the second interface equipment after also the Video Decode that receives being become digital video; And described the second interface equipment also receives the digital video that described video service system sends, and it is reduced into analog video to be shown to the user.
In addition, described the second interface equipment is also exported the analog signal of a plurality of channels; And/or described the 3rd interface equipment is also encoded to the same channel audio of multichannel, video.
In addition, described video service system comprises video conferencing system and/or IPTV system.
According to a further aspect of the invention, also propose a kind of video monitoring system for realization and video service system intercommunication, comprising:
First interface equipment is transferred to video service system after being used for the digital video that video monitoring system sends is reduced into analog video;
The second interface equipment is used for receiving the digital video that described video service system sends, and is transferred to the 3rd interface equipment after it is reduced into analog video;
The 3rd interface equipment is used for receiving the analog video that described the second interface equipment sends, and sends to described video monitoring system after it is encoded into digital video.
According to a further aspect of the invention, also propose a kind of video service system for realization and video monitoring system intercommunication, comprising:
First interface equipment is used for the digital video that the receiver, video supervisory control system sends, and is transferred to video service system after it is reduced into analog video;
The second interface equipment is transferred to the 3rd interface equipment after being used for the digital video that described video service system sends is reduced into analog video;
The 3rd interface equipment is used for receiving the analog video that described the second interface equipment sends, and sends to described video monitoring system after it is encoded into digital video.
According to a further aspect of the invention, also propose a kind of interface equipment of realizing video service system and video monitoring system intercommunication, comprising:
First interface equipment is used for the digital video that the receiver, video supervisory control system sends, and is transferred to video service system after it is reduced into analog video;
The second interface equipment is used for receiving the digital video that described video service system sends, and is transferred to the 3rd interface equipment after it is reduced into analog video;
The 3rd interface equipment is used for receiving the analog video that described the second interface equipment sends, and sends to described video monitoring system after it is encoded into digital video.
According to a further aspect of the invention, also propose a kind of method that realizes video monitoring system and video service system intercommunication, comprising:
By video monitoring system digital video is sent to first interface equipment;
Be transferred to video service system after by described first interface equipment this digital video being reduced into analog video;
And
By video service system digital video is sent to the second interface equipment;
Be transferred to the 3rd interface equipment after by described the second interface equipment this digital video being reduced into analog video;
Send to video monitoring system after by the 3rd interface equipment analog video signal being encoded into digital video again.
In addition, also by described video service system signaling is sent to described first interface equipment, send to described video monitoring system after converting thereof into the signaling of described video monitoring system identification by described first interface equipment again.
In addition, also by described video monitoring system video monitoring user's application request is sent to described the 3rd interface equipment; By described the 3rd interface equipment described application request is carried out sending to described the second interface equipment after the protocol conversion; And convert described signaling the signaling of described video service system identification to by described the second interface equipment, and send to described video service system.
In addition, the described Video Decode that also will be received by described video service system sends to described the second interface equipment after becoming digital video, by it described digital video is reduced into analog video to be shown to the user.
Compared with prior art, digital video and the Video Decode equipment of the present invention by deployment-specific is finished intercommunication between the different video business.
It is one of following that beneficial effect of the present invention can comprise at least:
Protect the integrality of original video traffic, the scope of business of expansion different video business has realized customer resources sharing, and has not needed to change original framework of each video traffic.
The signaling conversion be can finish, thereby video monitoring user's application request and the monitoring request of video service system realized.
Can avoid the operating such problem between each video traffic, thereby in all analog video technology realization intercommunications of compatible low layer of each video traffic.
Description of drawings
From the description of the following preferred embodiment of the present invention that mode with non-limitative example is provided and from appended drawings, can more clear these and other characteristics of the present invention, advantage and beneficial effect, wherein:
Figure 1A illustrates the method flow diagram that video monitoring system is pushed to video content video service system.
Figure 1B illustrates the method flow diagram that video service system is pushed to video content video monitoring system.
Fig. 2 illustrates video monitoring system among the present invention pushes method flow diagram from content to IPTV.
Fig. 3 illustrates video monitoring system among the present invention pushes method flow diagram from content to video conferencing system.
Fig. 4 illustrates video conferencing system among the present invention with the method flow diagram of pushing video streaming to video monitoring system.
Fig. 5 illustrates the method flow diagram that IPTV among the present invention is pushed to content video monitoring system.
Fig. 6 illustrates the structure drawing of device of realizing video monitoring system and video service system intercommunication among the present invention.
Fig. 7 illustrates video monitoring system among the present invention pushes structure drawing of device from content to IPTV.
Fig. 8 illustrates video monitoring system among the present invention pushes structure drawing of device from content to video conferencing system.
Fig. 9 illustrates video conferencing system among the present invention with the structure drawing of device of pushing video streaming to video monitoring system.
Figure 10 illustrates the structure drawing of device that IPTV among the present invention is pushed to content video monitoring system.
Embodiment
Below in conjunction with the drawings; preferred implementation of the present invention is described; should be appreciated that; the preferred implementation of here describing not is restrictive explanation; those skilled in the art can be according to principle of the present invention, the present invention is made various modifications, improvement and can not break away from the protection range that claim limits of enclosing.
Video monitoring system and video service system intercommunication refer to the professional mutually expansion between the different video traffics, and the video resource between the different video traffics is realized sharing, and improves the service quality of different video business.The present invention realizes that in the interconnected mode of analog video signal the video resource between the different video business is shared.Because the standardization level of analog video technology is high, the compatible analog video technology of each video traffic energy, realize intercommunication between many video traffics by Analogvideotransmission, can avoid the operating such problem between each video traffic, in all analog video technology realization intercommunications of compatible low layer of each video traffic.
Fig. 1 illustrates the method flow diagram of video monitoring system and video service system intercommunication among the present invention, realized the video interconnection of video monitoring system 100 (Mega Eyes System) with video service system, described video service system can be video conferencing system 200 (VideoConferencing System), network television system 300 (IPTV System).
Figure 1A illustrates (one) kind situation, by video monitoring system video content is pushed to video conferencing system and/or IPTV system, and the method may further comprise the steps:
Steps A 1 sends to first interface equipment by video monitoring system 100 with digital video, by it this digital video is reduced into analog video;
First interface equipment is the interface equipment of video monitoring system and video service system, the output of realization analog video and video service system are to reception and the response of the signaling of video monitoring system transmission, the signaling of video service system transmission is converted to the signaling of video monitoring system inside, finish video service system to the control (function that is to say the interworking service part realizes) of video monitoring system, need a kind of signaling Transform Sets for a kind of video service system.
Steps A 2, described analog video is sent to multipoint control unit 201 (the Multipoint Control Unit of video conferencing system 200 by first interface equipment, MCU) and/or media source library 301 (the Media Resource of network television system 300, MR), call for video conferencing system and/or network television system.
With the pattern of special equipment common networking, utilize analogue transmission circuit and the analog video video monitoring system that provides of exchange and the mode of video service system intercommunication.Make between each video traffic and to adopt analog signaling to carry out alternately, transmit after the audio-video signal unification of all trans-sectoral affair systems is reduced into analog audio-video.
Figure 1B illustrates (two) kind situation, by video conferencing system and/or IPTV video content is pushed to video monitoring system, and the method may further comprise the steps:
Step B1 by the multipoint control unit MCU 201 of video conferencing system 200 or the media source library MR 301 of network television system IPTV300, pushes to the second interface equipment with video resource;
The second interface equipment is the video service system resource flow to one of interface equipment of video monitoring system, video resource is reduced into analog video signal is sent to video monitoring system, and the control signal that sends over of receiver, video supervisory control system, that realizes signaling converts video monitoring system to the control (being the realization of interworking service partial function) of video service system.
Step B2, by the second interface equipment digital video is reduced into the analog video signal of video monitoring system compatibility after, be transferred to the 3rd interface equipment;
Step B3 is encoded into the digital video that video monitoring system is identified to analog video signal by described the 3rd interface equipment, calls for video monitoring system.
According to the first embodiment of the present invention, push the method for content to IPTV corresponding to video monitoring system in (one) the kind situation, the video resource that makes " global eyes " video monitoring system can access IPTV, be about to video surveillance point as a channel of IPTV system, whole flow process is: physical location 106 (physics Unit, PU, be commonly referred to front end unit) → video transfer Dispatching Unit 102 (Video Transfer and Dispatch Unit, VTDU) → character matrix 104 → MR 301 → content distributing network 302 (ContentDelivery Network, CDN) → STP 303.Wherein, realize that by character matrix and special-purpose STP analog video is mutual between video monitoring system and the IPTV system, namely first interface equipment is take character matrix 104 as example, and the second interface equipment is take STP 303 as example, and the method may further comprise the steps as shown in Figure 2:
Step 21 is encoded into digital video frequency flow by the front end unit PU 106 of video monitoring system with the analog video of control point, and described digital video frequency flow is uploaded to the VTDU 102 of video monitoring system;
Step 22 is forwarded to character matrix 104 by VTDU 102 with the digital video frequency flow of uploading;
Step 23 converts digital video frequency flow to analog video signal by character matrix 104, and with the MR 301 of Analogvideotransmission to the IPTV system;
Step 24 is to send to CDN302 after the digital video by MR 301 with Video Decode;
Step 25 sends the digital video of IPTV to by CDN 302 user's STP303;
Step 26 is carried out decode operation by STP303, the digital video of IPTV system is reduced into analog video exports to display device.
The video resource of video monitoring system flows into IPTV, for IPTV provides valued added applications.For example, the instant image of each key traffic route in each transport hub monitor video, in the mode that taking turn is play, as the channel of IPTV, as long as IPTV switches to specific traffic channel, just can understand the traffic conditions of city key traffic route.
According to second embodiment of the invention, push the method for content to video conferencing system corresponding to video monitoring system in (one) the kind situation, make the video flowing of video monitoring system as third party's video or the auxiliary video of video conferencing system, whole flow process: PU 106 → VTDU102 → character matrix 104 → special-purpose terminal 204 → MCU 201 → terminal 203, wherein, realize that by character matrix and special-purpose terminal analog video is mutual between video monitoring system and the video conferencing system, be that first interface equipment is take character matrix 104 as example, the second interface equipment is take special-purpose terminal 204 as example, the method may further comprise the steps as shown in Figure 3:
Step 31, PU 106 is sent to VTDU 102 with described digital video after the analog video of control point is encoded to digital video;
Step 32 is distributed to character matrix 104 by VTDU 102 with the digital video of control point;
Step 33, by character matrix 104 described digital video is reduced into analog video signal after, send special-purpose terminal 204 to, add meeting (or use as the streaming media on demand of video conference business) as a meeting-place;
Step 34, when the terminal conference participation, special-purpose terminal 204 sends video to MCU201, is handed down to terminal 203 after by MCU 201 video flowing of monitoring video flow and other video conferences being converted to digital video;
Step 35 is reduced into digital video by terminal 203 and sends display device to behind the analog audio-video signal and show.
When terminal not during conference participation, the streaming media service of terminal program request video conference is carried out video surveillance applications to the control point.Special-purpose terminal 204 need to customize for the signaling of intercommunication partial service.
The video resource of video monitoring accesses video conferencing system with taking turn or fixed point mode, can provide instant video as the session discussing material (as when holding the traffic meeting for meeting, can carry out session discussing according to the instant situation of transport hub), effectively promote the quality of original convention business.When not having meeting, also can carry out conventional video surveillance applications by terminal.
According to third embodiment of the invention, video conference flows to video monitoring in corresponding (two) the kind situation, can watch in video monitoring system the process of whole video conference, whole flow process: MCU 201 → special-purpose terminal 204 → digital hard disc video recorder DVR 105 → VTDU102 → CU 107, wherein, the second interface equipment is take special-purpose terminal 204 as example, and the 3rd interface equipment is take DVR 105 as example, the method may further comprise the steps as shown in Figure 4:
Step 41, pass through MCU 201 with the video push of meeting content to special-purpose terminal 204;
Step 42 is reduced into the analog audio-video signal by special-purpose terminal 204 with digital video, and sends special-purpose DVR 105 (can be general video monitoring system front end encoding device, also can be worked as by the first interface filling apparatus) to;
Step 43 becomes digital audio, vision signal by DVR 105 with audio frequency, the Video signal encoding of meeting content, and transfers to VTDU 102;
Step 44, pass through VTDU 102 with the meeting contents distribution to CU 107 (show as CU when registration many a video surveillance point);
Step 45 is presented to the user by CU 107 with the video resource of video conference.
In the 4th embodiment, corresponding (two) kind situation, can in video monitoring system, watch the program resource of IPTV, for video surveillance applications is injected element of entertainment, wherein, the second interface equipment is take the STP 303 of special use as example, and the 3rd interface equipment is take DVR 105 as example, namely the front end video capture device (be equivalent to video camera) of the ustomer premises access equipment STP 303 of IPTV as video monitoring, the user of video monitoring can watch at the CU of video monitoring the IPTV program.Whole flow process is: MR 301 → CDN 302 → STP 303 → DVR105 → VTDU 102 → CU 107, and the method may further comprise the steps as shown in Figure 5:
Step 51 sends to CDN 302 after the IPTV program analog video resource among the MR 301 of IPTV system is converted to digital resource;
Step 52 sends to special-purpose STP 303 by CDN 302 with described digital video;
Step 53, STP 303 is reduced into the analog audio-video signal to the program resource of different channel, is transferred to special-purpose DVR equipment 105 (possessing simultaneously encoding function of audio frequency and video);
Step 54, DVR105 namely is encoded into analog video stream the digital video frequency flow of video monitoring system identification to the program resource recompile of different channel, is sent to VTDU 102;
Step 55, VTDU 102 is sent to CU 107 to program resource;
Step 56 is presented to the user by CU 107 with the video resource of IPTV.
The program resource of IPTV is to video monitoring system user's flow process, that STP, DVR equipment by special use is finished, because general STP can only export one road video image, watch the IPTV program of a plurality of different channels if realize a plurality of video monitoring users, just need to dispose many STP, jumbo STP has just avoided this problem.
Special-purpose DVR refers to large capacity, can be simultaneously to the DVR of the same channel audio of multichannel, Video coding, and jumbo DVR is the equipment that mates with jumbo STP; Special-purpose STP refers to large capacity, can export simultaneously the special equipment of a plurality of channel analog signals.
According to a further aspect of the invention, in the method that realizes video monitoring system and video service system intercommunication, also comprise the operation that transmits signaling between video monitoring system and the video service system, wherein,
When video monitoring system is sent to video in the process of video service system, can send signaling to first interface equipment by video service system, convert the signaling of video monitoring system identification to by it, and send to described video monitoring system, realize that video service system is to the PTZ request of control point.
After determining to need the content of realization interworking service, keep the corresponding table of signaling (being the signaling Transform Sets) by first interface equipment.
When video service system transmits in the process of video to video monitoring system, can video monitoring user's application request be sent to the 3rd interface equipment by described video monitoring system, finished the protocol conversion of video monitoring user application request by described the 3rd interface equipment, and be transmitted to the second interface equipment, by the second interface equipment described signaling is converted again to the signaling of video service system identification, and send to described video service system, finish video monitoring user's application request.
The below transmits to video monitoring system in the process of video with video service system, and the application request that transmits the video monitoring user is that example is illustrated.As realizing the point-to-point meeting of video monitoring system validated user and video conferencing system, then terminal needs the video conference demand signalling of receiver, video supervisory control system validated user.The specific implementation flow process can be following manner:
1) video monitoring system validated user login video monitoring platform, and the authentication by platform; 2) platform returns the Resources list and authority information to the user, comprises the Resources list, interworking service content and authority information with video conference intercommunication part; 3) the video monitoring user clicks the terminal (presenting with monitoring resource form) that need to hold point-to-point meeting in video monitoring system, and sends request for conference; 4) video monitoring platform receives user's request command, to the 3rd interface equipment Forward-reques; 5) owing to keep the corresponding table of signaling (being the signaling Transform Sets) at the 3rd interface equipment, after receiving request command, the 3rd interface equipment converts the resource bid signaling of supervisory user the point-to-point meeting application signaling of video conference to, is sent to the second interface equipment (interface equipment of video conferencing system); 6) after the second interface equipment receives signaling, the application role is carried out converting itself to after the protocol conversion, and send point-to-point request for conference to target terminal.
For example, video monitoring system user can control STP, selects to watch different program channels.The mode that realizes is to increase STP control plug-in unit at CU, and the transparent channel that DVR provides (what transparent channel used is the serial ports of RS232, and DVR and STP need to provide) is provided, and directly the transmission control command is carried out the switching of program channel to STP on CU.
Fig. 6 illustrates the structure drawing of device of realizing video monitoring system and video service system intercommunication among the present invention, be used for realizing the intercommunication of video monitoring system and video service system by first interface apparatus figure matrix 104, the second interface equipment STP303 and/or professional terminal 204 and the 3rd interface equipment DVR 105.Wherein, dotted arrow represents the delivering path of digital audio/video, and the delivering path of solid arrow representative simulation audio frequency and video comprises:
Video monitoring system is used for digital video is sent to first interface equipment, and receives the described digital video that described the 3rd interface equipment sends;
First interface equipment is used for receiving the digital video that described video monitoring system sends, and is transferred to video service system after it is reduced into analog video;
Video service system is used for receiving the described analog video that described first interface equipment sends, and digital video is sent to the second interface equipment;
The second interface equipment is used for receiving the described digital video that described video service system sends, and is transferred to the 3rd interface equipment after it is reduced into analog video;
The 3rd interface equipment is used for receiving the described analog video of described the second interface equipment, sends to described video monitoring system after it is encoded into digital video.
Those skilled in the art is to be understood that described first interface equipment and the 3rd interface equipment also can be arranged on video monitoring system, and it is become one, and same, described the second interface equipment also can be arranged on video service system.The distortion of carrying out and corresponding modify all should be included within the protection range that these claims cover.Describe described device and each interface equipment in detail below in conjunction with embodiment.
In addition, described first interface equipment also receives the signaling that described video service system sends, and converts thereof into the signaling of described video monitoring system identification, and sends to described video monitoring system.
In addition, described the 3rd interface equipment also receives described video monitoring user's application request, and described application request is carried out sending to described the second interface equipment after the protocol conversion; And described the second interface equipment also receives described application request, and converts described signaling the signaling of described video service system identification to, and sends to described video service system.
In addition, send to described the second interface equipment after the described video service system described Video Decode that also will receive becomes digital video; And described the second interface equipment also receives the described digital video that described video service system sends, and it is reduced into analog video to be shown to the user.
Fig. 7 illustrates video monitoring system among the present invention pushes structure drawing of device from content to IPTV.Wherein, first interface equipment is character matrix, and the second interface equipment is STP, and video service system is IPTV, comprising:
PU 106, are used for the real-time Simulation video of control point is encoded into digital video frequency flow, and described digital video frequency flow uploaded to the VTDU 102 of video monitoring system; Receive simultaneously the PTZ order that VTDU 102 issues, front-end camera is carried out PTZ control;
VTDU 102, are used for the digital video frequency flow of uploading is sent to character matrix 104; The PTZ control command of simultaneously legal supervisory user being taken the photograph machine to front end is handed down to PU 106;
Character matrix 104 is interface equipments of video monitoring system 100 and IPTV system 300, is used for the digital video frequency flow of video monitoring system is reduced into the analog video stream of IPTV system compatible, and with the MR 301 of Analogvideotransmission to the IPTV system; And with the IPTV system user request converts the signaling of video monitoring system identification to the PTZ of control point, and be handed down to VTDU 102;
MR 301, are used for the channel of character matrix 104 as source of media and the IPTV system of IPTV, send to CDN 302 after video flowing is converted to digital video;
CDN 302, are the content distributing networks of IPTV system, are used for the video content distribution of each channel of IPTV system (comprising the video monitoring channel) is pushed to IPTV user's STP303;
STP 303, are the ustomer premises access equipments of IPTV system, output to display device and present to the user after the IPTV digital video content of soon user's request is reduced into analog video.
Fig. 8 illustrates video monitoring system among the present invention pushes structure drawing of device from content to video conferencing system.
PU 106, are used for the real-time Simulation video of control point is encoded into digital video frequency flow, and described digital video frequency flow are uploaded to the VTDU 102 of video monitoring system; Described PU 106 is used for receiving the PTZ order that VTDU 102 issues, and front-end camera is carried out PTZ control;
VTDU 102, realize the distribution of monitoring video flow, and the digital video that the control point is uploaded is distributed to character matrix 104, and the PTZ control command of simultaneously legal supervisory user being taken the photograph machine to front end is handed down to PU 106 execution;
Character matrix 104, the interface equipment of video monitoring system and video conferencing system, send to special-purpose terminal 204 after the digital video frequency flow of video monitoring system being reduced into the analog video stream of video conferencing system compatibility, add meeting (or use as the streaming media on demand of video conference business) as a meeting-place; And the video conferencing system user to the PTZ of control point request carry out protocol conversion, convert the signaling of video monitoring system identification to and send to VTDU 102.
Special-purpose terminal 204, the digital video frequency flow that described analog video is encoded into video conferencing system identification sends MCU 201 to;
MCU 201, and the nucleus equipment of video conferencing system is responsible for the synthetic and distribution of video, are used for when the terminal conference participation being handed down to terminal 203 after video flowing with monitoring video flow and other video conferences is converted to digital video;
Terminal 203 is used for digital video is reduced into and sends display device to behind the analog audio-video signal and show.
Fig. 9 illustrates video conferencing system pushing video streaming among the present invention to the structure drawing of device of video monitoring system.The second interface equipment is that special-purpose terminal 204, the three interface equipments are DVR105, comprising:
MCU 201, and the nucleus equipment of video conferencing system is responsible for the synthetic and distribution of video, is used for sending the digital video of meeting content to special-purpose terminal 204 and terminal 203;
Special-purpose terminal 204 sends to DVR 105 after described digital video coding is become analog video;
DVR 105, are the interface equipments of video monitoring system receiver, video conference system video resource, realize the again coding of video flowing, and the analog video stream that is about to send is encoded into the digital video frequency flow of video monitoring system identification, sends to VTDU 102;
VTDU 102, realize the distribution of video flowing, are used for the video conference resource forwarding to CU 107;
CU 107, the user side software of video monitoring system, and realization is mutual with the user's, is used for the video resource of video conference is presented to the mandate supervisory user.
Video conference and video monitoring intercommunication can be the convention business of video conference to the video monitoring user developments, allow the user of video monitoring can be used as meeting onlooker's participation of roles meeting.Like this, just can expand with minimum cost the business of video conference, also provide value-added service for video monitoring simultaneously.
Figure 10 illustrates IPTV among the present invention and pushes the device of content to video monitoring system, and the second interface equipment is that STP 303, the three interface equipments are DVR 105, and this device comprises:
MR 301, and the media source library of IPTV is the content source of IPTV, are used for providing the IPTV digital video that flows to video monitoring system resource;
CDN 302, and the content distributing network of IPTV system is used for the video content of each channel of IPTV system is distributed, and are about to the interface equipment STP 303 that digital video frequency flow among the MR 301 is pushed to IPTV and video monitoring system;
STP 303, and the interface equipment of IPTV and video monitoring system is used for the IPTV digital video frequency flow is reduced into the analog video that video monitoring system is identified, and simultaneously the necessary information of IPTV (channel information etc.) is sent to video monitoring system; The IPTV demand signalling (such as converted channel etc.) that is used for receiver, video supervisory control system validated user converts described signaling the signaling of IPTV system to, finishes video monitoring user's IPTV application request;
DVR 105, are the interface equipments that video monitoring system receives IPTV system video resource, realize the again coding of video flowing, and the analog video stream that namely STP 303 is sent is encoded into the digital video frequency flow of video monitoring system identification and is sent to VTDU 102; And the protocol conversion that is used for finishing video monitoring user's IPTV application request (converted channel etc.), relevant IPTV demand signalling is converted to the signaling that STP identifies, be transmitted to IPTV interface equipment STP 303;
VTDU 102, realize the distribution of video flowing, and the IPTV video resource is sent to CU107, simultaneously the IPTV application request transmitting signaling downwards of validated user received the interface equipment DVR 105 of IPTV system video resource to video monitoring;
CU 107, the user side software of video monitoring system, and realization is mutual with the user's, and is used for the digital video resource of IPTV is presented to the mandate supervisory user.
Video monitoring system and video conferencing system intercommunication also are that the resource for 2 systems can reach shared, and separately the business user development to the other side, promote the separately original quality of service of system.
Among the present invention, possesses many video service systems intercommunication of above video resource sharing functionality, can adopt following method to realize: " global eyes " video monitoring system and the intercommunication of IPTV system, digital video by deployment-specific/Video Decode equipment, character matrix (video monitoring), special-purpose STP (IPTV) realize that video resource shares; " global eyes " video monitoring system and video conferencing system intercommunication, the digital video by deployment-specific/Video Decode equipment, character matrix (video monitoring), special-purpose terminal (video conference) realize that video resource shares.Like this, can more effectively utilize the existing video resource of different video operation system.
Below in conjunction with the drawings the method and apparatus of realization video monitoring system according to the present invention and video service system intercommunication is set forth, but the present invention is not limited to this.One skilled in the art will appreciate that according to the principle of the invention, can make various modifications, improvement to the present invention, and do not break away from the enclose scope of claim of the present invention.
Technical scheme of the present invention mainly cooperates special-purpose digital-to-analog video conversion apparatus by the analog video interaction technique, realize that the video resource between the different video service systems is shared, and improve service quality for each video service system, increase the type of service of different video operation system, the user of expansion different video operation system.
Some business needs of sharing based on the multiple business system resource intercommunication of video technique are carried out standard, instruct the intercommunication R﹠D work of resource-sharing between the different video operation system, improve the service technique requirement of video service system service quality.
The present invention has one of following at least advantage:
Protect the integrality of original video traffic.This kind mode has intactly been preserved the integrality of the video service system of each intercommunication, system utilizes special equipment to realize the conversion of digital video and analog video, shielded the format differences of the digital video between the different video system, adopt standardization level analog video very high and that maturity is high to carry out alternately, original various video service system without any need for change, namely can mutually share video resource;
The scope of business of expansion different video operation system.Share by the video resource between the different video operation system, the business between the different video operation system can interpenetrate, and expands the separately service range of video traffic, increases professional income;
Customer resources sharing.Mutual based on analog video realized the business development between the different video operation system, so that the customer resources of different video operation system is shared, can integrate marketing resource, saves cost of marketing;
The simplification of system constructing.The shared mutual realization based on analog video of video resource, the structure of system only needs the digital video of deployment-specific and the special equipment of Video Decode to finish, and does not need to change original framework of each video service system, and the deployment of system is simple.

Claims (13)

1. device of realizing video monitoring system and video service system intercommunication comprises:
Video monitoring system is used for digital video is sent to first interface equipment, and receives the digital video that the 3rd interface equipment sends;
First interface equipment is used for receiving the digital video that described video monitoring system sends, and is transferred to video service system after described digital video is reduced into analog video;
Video service system is used for receiving the analog video that described first interface equipment sends, and digital video is sent to the second interface equipment;
The second interface equipment is used for receiving the digital video that described video service system sends, and is transferred to the 3rd interface equipment after described digital video is reduced into analog video;
The 3rd interface equipment is used for receiving the analog video that described the second interface equipment sends, and sends to described video monitoring system after described analog video is encoded into digital video.
2. realize as claimed in claim 1 the device of video monitoring system and video service system intercommunication, wherein, described first interface equipment also receives the signaling that described video service system sends, the signaling that described video service system is sent converts the signaling of described video monitoring system identification to, and sends to described video monitoring system.
3. realize as claimed in claim 1 or 2 the device of video monitoring system and video service system intercommunication, wherein, described the 3rd interface equipment also receives the application request of described video monitoring system, and described application request is carried out sending to described the second interface equipment after the protocol conversion; And
Described the second interface equipment also receives described application request, and converts signaling the signaling of described video service system identification to, and sends to described video service system.
4. realize as claimed in claim 1 the device of video monitoring system and video service system intercommunication, wherein, described video service system sends to described the second interface equipment after also the Video Decode that receives being become digital video; And
Described the second interface equipment also receives the digital video that described video service system sends, and described digital video is reduced into analog video to be shown to the user.
5. realize as claimed in claim 1 the device of video monitoring system and video service system intercommunication, wherein, described the second interface equipment is also exported the analog signal of a plurality of channels; And/or described the 3rd interface equipment is also encoded to the same channel audio of multichannel, video.
6. realize as claimed in claim 1 the device of video monitoring system and video service system intercommunication, wherein, described video service system comprises video conferencing system and/or IPTV system.
7. one kind is used for realizing and the video monitoring system of video service system intercommunication, comprising:
First interface equipment is transferred to video service system after being used for the digital video that video monitoring system sends is reduced into analog video;
The second interface equipment is used for receiving the digital video that described video service system sends, and is transferred to the 3rd interface equipment after described digital video is reduced into analog video;
The 3rd interface equipment is used for receiving the analog video that described the second interface equipment sends, and sends to described video monitoring system after described analog video is encoded into digital video.
8. one kind is used for realizing and the video service system of video monitoring system intercommunication, comprising:
First interface equipment is used for the digital video that the receiver, video supervisory control system sends, and is transferred to video service system after described digital video is reduced into analog video;
The second interface equipment is transferred to the 3rd interface equipment after being used for the digital video that described video service system sends is reduced into analog video;
The 3rd interface equipment is used for receiving the analog video that described the second interface equipment sends, and sends to described video monitoring system after described analog video is encoded into digital video.
9. interface equipment of realizing video service system and video monitoring system intercommunication comprises:
First interface equipment is used for the digital video that the receiver, video supervisory control system sends, and is transferred to video service system after described digital video is reduced into analog video;
The second interface equipment is used for receiving the digital video that described video service system sends, and is transferred to the 3rd interface equipment after described digital video is reduced into analog video;
The 3rd interface equipment is used for receiving the analog video that described the second interface equipment sends, and sends to described video monitoring system after described analog video is encoded into digital video.
10. method that realizes video monitoring system and video service system intercommunication comprises:
By video monitoring system digital video is sent to first interface equipment;
Be transferred to video service system after by described first interface equipment this digital video being reduced into analog video;
And
By video service system digital video is sent to the second interface equipment;
Be transferred to the 3rd interface equipment after by described the second interface equipment this digital video being reduced into analog video;
Send to video monitoring system after by the 3rd interface equipment analog video signal being encoded into digital video again.
11. realize as claimed in claim 10 the method for video monitoring system and video service system intercommunication, also comprise: by described video service system signaling is sent to described first interface equipment, send to described video monitoring system after the signaling of described video service system being converted to the signaling of described video monitoring system identification by described first interface equipment again.
12. realize as claimed in claim 11 the method for video monitoring system and video service system intercommunication, also comprise:
By described video monitoring system video monitoring user's application request is sent to described the 3rd interface equipment;
By described the 3rd interface equipment described application request is carried out sending to described the second interface equipment after the protocol conversion; And
Convert described signaling the signaling of described video service system identification to by described the second interface equipment, and send to described video service system.
13. realize as claimed in claim 10 the method for video monitoring system and video service system intercommunication, also comprise: send to described the second interface equipment after the described Video Decode that will be received by described video service system becomes digital video, by described the second interface equipment described digital video is reduced into analog video to be shown to the user.
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