CN101068343A - Video frequency monitoring system based on IPTV system - Google Patents
Video frequency monitoring system based on IPTV system Download PDFInfo
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Abstract
A video monitoring system based on IPTV unit comprises one or multiple monitor front-end for obtaining video signal of object being monitored and for sending obtained video signal to IPTV unit, IPTV unit for carrying out treatment and management on various service and stream medias, one or multiple user terminal connected to monitor front-end through IPTV system and used for browsing far-end video image as well as controlling far-end video system.
Description
Technical field
The present invention relates to field of video monitoring, relates in particular to the video monitoring system based on the IPTV system.
Background technology
IPTV (Internet Protocol Television, Internet TV) business is meant that with " television set+set-top box " be main terminal equipment, a kind of has the interactive television experience that service quality (QoS) guarantees and a broad band value-added service of multimedia service by broadband network for what the user provided.Along with the deep development of IPTV, the number of users of IPTV constantly increases, and the IPTV business is also abundanter, therefore, arises at the historic moment based on the video monitoring system of IPTV system.
Video monitoring system based on the IPTV system is meant the system that carries out video monitoring service in the IPTV system.Its head end encoder, camera, The Cloud Terrace equipment that adopts present supervisory control system is as the monitoring head end; Media delivery system and RGM system in combination by the IPTV system form control centre; The terminal equipment of use IPTV system and the control desk of specialty are as monitor terminal; Adopt EPG (Electronic Programmer Guide, electronic program list) technology to form service door; Carry out the service logic control that the service operation packing forms video monitoring system at the professional end of IPTV, thereby set up into whole video monitoring system based on the IPTV system.
We can say, video monitoring system based on the IPTV system is the value-added service of IPTV system, the ubiquitous broadband network port of telecommunications will disperse, independently the IMAQ point is networked by utilizing for it, realize unified management and resource-sharing trans-regional, that global range is interior, for the management decision-maker of every profession and trade provides a kind of brand-new management tool that enlarges vision and audibility range intuitively, thereby improve job performance.
Yet traditional video monitoring system is comparatively chaotic, can't carry out the unified scheduling and the control of resource, and each video monitoring system is just as a leaf Gu Zhou, and unified management is inconvenience very.And can share Internet resources, device storage resource and the terminal resource of existing IPTV system based on the video monitoring system of IPTV system, save operator and user's construction cost.On the one hand, it can utilize the terminal equipment of existing IPTV system, for example, television set+set-top box, mobile phone, PC and PDA etc. browse the image of monitor video; On the other hand, utilize the media delivery system of IPTV system, can carry out the real-time distribution of video, similar TVOD (Television Video on Demand, the TV recorded broadcast) monitor video video recording, monitor video storage and scheduling, thereby strengthen the extensibility of video monitoring system, guarantee user's QoS, the performance of elevator system.
Therefore, research and design are crucial based on the video monitoring system of IPTV system.
Summary of the invention
The purpose of this invention is to provide the video monitoring system based on the IPTV system, this system can strengthen the extensibility of video monitoring system, guarantees user's QoS, the performance of elevator system.
For achieving the above object, the video monitoring system based on the IPTV system of the present invention comprises: one or more front monitoring front-ends, be used for monitored object is carried out video monitoring, and with the video signal transmission obtained to the IPTV system; The IPTV system is used for miscellaneous service and Streaming Media are handled and managed; And one or more user terminals, be connected to front monitoring front-end by the IPTV system, be used to browse and control far-end video image and system.
Wherein, the IPTV system comprises: one or more stream media systems are used to store and handle the video from front monitoring front-end; One or more CDN agencies are used to dispatch and control the video that local stream media system is stored; CDN (Content Delivery System, media delivery) manager is used for the video of global monitoring and management flow media system storage and is connected with the CDN agency; Management system is connected to the CDN manager, is used for content and business are managed; And electronic program guidance system, be used to support the displaying of real-time media object, network storage media object or offline storage media object, and serve for user terminal provides to customize.
Wherein, stream media system comprises: Streaming Media distribution and delivery module are used for from the Streaming Media distribution of operator with send the Streaming Media memory module to; The Streaming Media memory module is used to store the Streaming Media from front monitoring front-end; The streaming media service module is used for Streaming Media is dispatched and controlled; And first operating maintenance module, be used for the operation between stream media system and the front monitoring front-end is safeguarded.
Wherein, the CDN agency comprises: content scheduling and control module are used for controlling from stream media system Scheduling Flow medium and to Streaming Media; Service dispatch and control module are used to user terminal that scheduling and control service are provided; And second operating maintenance module, be used for the operation between CDN agency and the user terminal is safeguarded.
Wherein, management system comprises: Content Management System is used for the content of user terminal is managed; And business management system, be used for the business of user terminal is managed.
Wherein, front monitoring front-end, described IPTV system and user terminal are connected to same IPTV bearer network.In addition, front monitoring front-end also provides the audio signal of monitoring.
Wherein, business management system authenticates user terminal and/or front monitoring front-end.Stream media system is under the control of DCN agency or CDN manager, for user terminal provides historical video data.User terminal is communicated by letter with front monitoring front-end by the IPTV system.
The invention provides a kind of video monitoring system based on the IPTV system, this system inserts the IPTV system with front monitoring front-end, can share Internet resources, device storage resource and the terminal resource of existing IPTV system, save operator and user's construction cost, solve existing video monitoring system confusion, can't carry out problems such as the unified scheduling of resource and control, thereby strengthen the extensibility of video monitoring system, guarantee user's QoS, the performance of elevator system etc.In addition, be support with the IPTV technology, can carry out the unified scheduling and the management of resource, reduce the construction cost of video monitoring system, the core competitiveness of elevator system.
Description of drawings
Shuo Ming accompanying drawing is used to provide further understanding of the present invention herein, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute to improper qualification of the present invention, in the accompanying drawings:
Fig. 1 is the high-level schematic functional block diagram based on the video monitoring system of IPTV system according to the embodiment of the invention;
Fig. 2 is the schematic diagram based on the video monitoring system of IPTV system according to the single domain of the embodiment of the invention; And
Fig. 3 is the schematic diagram based on the video monitoring system of IPTV system according to the multiple domain of the embodiment of the invention.
Embodiment
Below in conjunction with corresponding accompanying drawing and specific embodiment the video monitoring system based on IPTV of the present invention is described in detail.
Fig. 1 is the high-level schematic functional block diagram based on the video monitoring system of IPTV system according to the embodiment of the invention.As shown in Figure 1, the physical structure of the video monitoring system based on the IPTV system of the present invention comprises front monitoring front-end, IPTV system, user terminal three parts, wherein, front monitoring front-end inserts the IPTV bearer network, and its IPTV bearer network also is the IPTV bearer network at user terminal and IPTV system place.
Wherein, the system that front monitoring front-end is made up of all devices that is used for the obtaining of audio/video information, warning information, control information, buffer memory, coding, forwarding and may need to store, its bag network of relation and equipment between (BRAS/AR couple in router) from the user terminal to the SACP is as video camera, The Cloud Terrace, video server, warning input/output unit, digital video recorder or the like.It mainly realizes the service access based on the IPTV system, inserts as ADSL access, LAN access, WLAN etc.
Wherein, the IPTV system relates to operation layer and convergence-level, is made up of CDN Manager, CDNAgent and stream media system, IPTV business management system, IPTV Content Management System, network management system, electronic program guidance system (EPG).This system provides service management and business support, mainly contain: RGM, user management, terminal unit management, media device management, Service Management, Certificate Authority, charging payment and clearing, plateform system management, statistical analysis, subscriber equipment management, various interface management (as authentication interface, billing interface, payment interface etc.) also comprise: Content Management, historical viewings, displaying live view, streaming media service and scheduling, electronic program list etc.Wherein, subscriber equipment is meant user's smart machines such as user terminal.In addition, the IPTV system also has distribution function, same monitor video can be distributed to a plurality of visitor/user, and support safety management, resource division under the same IPTV system can be become different authority/security domains, different users can be provided with different authorities, thus the fail safe of the system of assurance.
Wherein, user terminal is the equipment that is used to browse and control far-end video image and system, it comprises: television set+set-top box, mobile phone, video wall, PC and PDA etc., be used in real time/the decoding broadcast of historical audio frequency and video, video image browse navigation, subscriber administration interface, service fulfillment and administration interface, system maintenance and alarm indication etc.
More particularly, the video monitoring system based on the IPTV system of the present invention comprises: one or more front monitoring front-ends 102, be used for monitored object is carried out video monitoring, and with the video signal transmission obtained to the IPTV system; IPTV system 104 is used for miscellaneous service and Streaming Media are handled and managed; And one or more user terminals 106, be connected to front monitoring front-end by the IPTV system, be used to browse and control far-end video image and system.
Wherein, IPTV system 104 comprises: one or more stream media systems 1042 are used to store and handle the video from front monitoring front-end; One or more CDN agencies 1044 are used to dispatch and control the video that local stream media system is stored; CDN manager 1046 is used for the video of global monitoring and management flow media system storage and is connected with the CDN agency; Management system 1048 is connected to the CDN manager, is used for content and business are managed; And electronic program guidance system 10410, be used to support the displaying of real-time media object, network storage media object or offline storage media object, and serve for user terminal provides to customize.
Wherein, stream media system 1042 comprises: Streaming Media distribution and delivery module 1042-2 are used for and will distribute from the Streaming Media of operator and send the Streaming Media memory module to; Streaming Media memory module 1042-4 is used to store the Streaming Media from front monitoring front-end; Streaming media service module 1042-6 is used for Streaming Media is dispatched and controlled; And the first operating maintenance module 1042-8, be used for the operation between stream media system and the front monitoring front-end is safeguarded.
Wherein, CDN agency 1044 comprises: content scheduling and control module 1044-2 are used for controlling from stream media system Scheduling Flow medium and to Streaming Media; Service dispatch and control module 1044-4 are used to user terminal that scheduling and control service are provided; And the second operating maintenance module 1044-6, be used for the operation between CDN agency and the user terminal is safeguarded.
Wherein, management system 1048 comprises: Content Management System 1048-2 is used for the content of user terminal is managed; And business management system 1048-4, be used for the business of user terminal is managed.
Wherein, front monitoring front-end, described IPTV system and user terminal are connected to same IPTV bearer network.In addition, front monitoring front-end also provides the audio signal of monitoring.
Wherein, business management system authenticates user terminal and/or front monitoring front-end.Stream media system is under the control of DCN agency or CDN manager, for user terminal provides historical video data.User terminal is communicated by letter with front monitoring front-end by the IPTV system.
In the present invention, the video recording unit of IPTV system and user terminal decide the fringe node of visit by the scheduling strategy of IPTV system to the application of the video monitoring of front monitoring front-end.Video recording unit and user terminal obtain the video of video monitoring according to the fringe node of the visit of the each decision of IPTV system.
Below by specific embodiment technical scheme of the present invention is elaborated.
Fig. 2 is the high-level schematic functional block diagram based on the video monitoring system of IPTV system according to the embodiment of the invention, as shown in Figure 2, is by user terminal (for example, set-top box) based on the video monitoring system of IPTV system, and IPTV system, front monitoring front-end are formed.Wherein, the IPTV system comprises IPTV business management system, IPTV Content Management System, network management system, electronic program guidance system (EPG), CDN Manager, CDN Agent and stream media system.
Front monitoring front-end comprises headends such as video monitoring encoder, The Cloud Terrace.On the resolution of video, need to support CIF, D1 (4CIF), QCIF etc.; On media formats, need to support H263, H264, MPEG4, WMV9 etc.; In transmission, need to support TS stream or ISMA stream format; On access way, needs are supported LAN, CDMA 1x is wireless, modes such as ADSL, wLAN.
Wherein, each mainly to form the function of module as follows:
1, stream media system: mainly be responsible for providing stream service and content storage functions, it comprises stream service module, content storage module, content distribution and the delivery module and first operating maintenance module.
2, CDN agency: mainly be in charge of load balancing, distribution of content, strategy execution, distribution control and control, monitoring resource and the management of local stream media node, and with the communication of CDN manager, and can report distributed intelligence, status information of equipment, service state and the node configuration data of local content to the CDN manager.
3, CDN manager: the interface with external system is provided, is responsible for inserting IPTV business management system, IPTV Content Management System and EPG system.Act on behalf of the node of managing whole distributed flow media system concentratedly by being distributed in CDN on each stream media node.The CDN manager has GSLB, monitoring resource and management, content distribution and the function of controlling, and can preserve facility information, service state and network configuration data etc.
4, business management system: support management, the access rights management of user terminal, control authority management, authority function such as divide into groups, charge, add up, enter an item of expenditure in the accounts.
5, Content Management System: support the management to monitoring frontends such as video monitoring encoder head ends, registration headend equipment, headend equipment are used and are come into force the monitoring of headend equipment, business functions such as the management of the medium of front end terminal, statistics.
6, electronic program guidance system (EPG): be also referred to as door and insert display systems, the displaying of the media object of the displaying of the displaying that needs to adopt the plan of EPG masterplate to customize the real-time media object of supporting headend equipment, the network storage media object of headend equipment, the offline storage of headend equipment and user use access etc. to customize function.
Wherein, stream media system comprises:
A, Streaming Media distribution and delivery module: this module comprises program metadata distribution and distribute media content, and wherein the program metadata distribution mainly is to obtain program metadata and program metadata is distributed to nodes at different levels from content operator; Distribute media content mainly be from content operator obtain after the fluidisation content and with streamable content be distributed to each memory node (comprise based on file and based on two kinds of ways of distribution of stream).
B, Streaming Media memory module: this module comprises based on the storage of file with based on two kinds of the storages of file after the fluidization treatment.Obtain streamable content and carry out distributed storage (redundancy backup and recovery) from distribution/delivery module; Obtain streamable content and store from other fluidisation memory modules, or, streamable content is stored (content after the fluidisation is stored in each memory node with distributed earth) for other stream memory modules provide streamable content; To streamable content delete and for stream service module function streamable content is provided.
C, streaming media service module: this module comprises media content stream service, subscriber control information processing.In the media content stream service, the stream service node is finished the media content stream service function with set-top box, and obtains streamable content according to scheduling/control module from corresponding fluidisation memory module; In subscriber control information is handled, the controlled function of operating as F.F., rewind down, time-out, broadcast etc. is provided for the client, under the control of scheduling/control module, finish the switching of stream service node, carry out flow control and arrive the seamless switching of time shift TV for the client provides programme televised live together with set-top box; Gather charge information (as the professional beginning and ending time etc.) and to the OSS transmission.
In addition, scheduling and control module comprise program metadata management, media contents management, service dispatch/control, media content scheduling controlling.Wherein, the program metadata management mainly is to report program content data in the distribution situation of each stream memory node and according to content ID to the service management territory, navigates to the memory location of content; Media contents management mainly is to obtain contents management information and to the fluidisation resource management from professional management domain: as the content location information that distributes by geographical distribution, by the time; Service dispatch and control mainly are that service is controlled (selection of convection current service module function and exchange/load balancing) and flow control is carried out in the access of streaming media service to client's incoming stream; The media content scheduling controlling mainly is that the storage of streamable content is controlled and content distribution policy management: as by geographical distribution, distribute etc. by the time, and the life cycle management of content.
Fig. 3 is the schematic diagram based on the video monitoring system of IPTV system according to the single domain of the embodiment of the invention, as shown in Figure 3, mainly comprises front monitoring front-end, IPTV system and user terminal.
The IPTV system mainly is responsible for functions such as front monitoring front-end and user terminal access, signaling forwarding, system management, mainly form: front monitoring front-end application server, subscriber terminal service device, alarm server, system management server, service managing server, dispatch server etc. by following components, these servers only have logic function, and actual deployment can require to dispose flexibly eventually according to actual construction investment size and scale.Wherein, media server can have a plurality of, mainly is responsible for distribution of media, memory function; Aaa server mainly is responsible for authentification of user, mandate, accounting feature, belongs to the scope of service management.
Above-mentioned server correspondingly comprises one or several logic function modules as shown in Figure 2.
Fig. 4 is the schematic diagram based on the video monitoring system of IPTV system according to the multiple domain of the embodiment of the invention, with between the layer being equity fully.The teaming method of this network has also farthest been protected original investment.
The management domain of " global eyes " system is limited by the IPTV system, i.e. all system equipments managed of IPTV system and the monitoring frontend that is inserted, and affiliated user constitutes a management domain, a management domain has only an IPTV system.IPTV system of subordinate only and higher level IPTV system direct signaling communication takes place, direct signaling communication can not take place between the IPTV at the same level system.Main business is provided by minimum local domain IPTV system, the connection and the service management function of higher level territory IPTV system held traffic signaling.
The each province has the IPTV system of oneself, and responsible basis is carrying out of global eyes business inside the province, inside the province the management of front monitoring front-end, user terminal and work such as scheduling of resource inside the province.
Transprovincially carrying out by national IPTV system of global eyes business dispatched.Whole nation IPTV system only is responsible for the forwarding of signaling transprovincially; National centre does not need to build separately media server, and media schedule can directly be carried out between inter-provincial media server under the whole nation, province IPTV system call.On physical structure, national IPTV system and province IPTV system are just the same.
According to the system configuration of global eye, device front end PU can provide transregional monitor service, but the prerequisite of cross-domain business is: the central store of PU video data is among the NRU or media server that leaves under (nearby) the IPTV system management of this locality.
Each PU and CU insert local IPTV system nearby, open an account in this locality.
The business and the management function that should can be achieved as follows based on the video monitoring system of IPTV system:
1, video monitor
Video monitor is the basic function of supervisory control system.The user monitors the image of front end by using client, and client comprises three kinds of large-scale Surveillance center, monitor client software and set-top box.Large-scale Surveillance center uses video wall as display device, can once monitor the situation of a plurality of front ends.Level difference is arranged between the client, can realize differentiated control according to user's zone or administrative grade.Can also carry out the monitoring of sound accompaniment in addition with vision signal together,, just can't monitor if open sound simultaneously, so every road sound all is to carry out opening/closing separately owing to be that multi-channel video signal is monitored simultaneously all.
2, monitoring time shift
The user need not to search, read store files, directly just can the access history video recording by the rewind down control to real-time monitor programme.Seamless switching between real time content and historical video recording, and can suspend, rewind down, F.F. control, provide brand-new business experience to the user.Made things convenient for the use of domestic consumer, also provide the access mode of recording a video efficiently to the industry customer.
3, recording function
The point of monitoring in real time in the supervisory control system is fewer with respect to the point that can monitor, more is to record a video, and thumbs when needed.Therefore the video recording storage also is very important function in the supervisory control system.The video recording of monitoring has regularly video recording, the video recording and manually record a video three kinds of reporting to the police, and generally all can require to carry out real-time non-interrupted picture recording, and the retention cycle of video file reaches 7 days even 30 days, so monitoring video is bigger to the requirement of memory capacity.
4, warning function
Generally provide the warning input interface on the front end video server in the supervisory control system or special-purpose alarm box is provided, system receives the report for police service and makes corresponding processing according to configuration behind the signal.Reporting to the police to handle to be divided into three grades, and the first order is that headend equipment is originally done corresponding processing after receiving alarm signal, as moving by warning Output Interface Control peripheral hardware; The second level is to do respective handling after system platform is received alarm signal, records a video, uses phone, short message etc. to report to the police, write down alarm log by application server as the control flows media system; The third level is to do respective handling after client is received alarm signal, as switching monitoring picture, output alarm sound, jump out warning window.
5, Long-distance Control
Long-distance Control is meant that client is by the control of system platform to front-end camera, The Cloud Terrace and other peripheral hardwares such as rain brush, fan etc.Control signal passes to the front end video server by IP network, is transferred to corresponding apparatus from the RS485 serial ports of video server and controls.The control protocol kind of video camera is very many, and the situation that often needs to control video camera customizes the intercommunication exploitation, and commonly used at present have PELCO (group and high) agreement.
6, speech talkback
Speech talkback is meant the communication of carrying out voice between client and the front end.Communication mode is divided into two kinds.The one, point-to-point two-way intercommunication pattern, i.e. two-way call between client and the front end.The 2nd, the One-to-All Broadcast pattern of point-to-multipoint, promptly client is to a plurality of front ends broadcasting and front end is only listened and do not said.
7, video recording inquiry, playback
Be kept at the video recording of front end or central platform and capture file by the inquiry of many conditions compound mode.For example inquire about as condition, therefrom choose the video recording that needs for the user and carry out playback with on-site supervision video camera title, time on date.Provide complete playback function to the video file that inquires, comprise play and suspend, show video time, capture image, function such as picture is full frame.The user also can drag the broadcast slide block, and video is carried out manual quick search.The preservation of can classifying separately of important Video Document.
8, distribution of media
According to the distribute media content strategy, the CDN system by IPTV is distributed to the edge of Video service network to content, shortens service point and user's distance, and service had nearby both reduced QoS problem solution difficulty, the bandwidth of also saving backbone network.
9, authentication function comprises that authentification of user, front end authentication, user management, user open an account, revise usersaccount information, modification user basic information, user's cancellation, user grouping management, column, user's activation, rights management, operator safeguard, the operator organizes maintenance, the operator organizes authority setting, operator's mandate, query manipulation daily record etc. for user grouping is distributed.
10, system management comprises video monitoring columns management, PU networking, PU management, PU attribute configuration, PU history alarm information, PU statistics, the management of PU video file.
11, equipment control comprises node administration, equipment control, performance queries, node IP segment management, RGM equipment control.
Those skilled in the art will readily understand additional advantages and modifications of the present invention.Therefore, above-mentioned at embodiment be described as the concrete Application Example of the present invention, the present invention aspect widely is not limited to the specific detail and the exemplary embodiments that illustrate and describe herein.Therefore, can under the condition that does not break away from by claim and the spirit or scope of the present invention that equivalent limited thereof, make various modifications.
Claims (10)
1. video monitoring system based on the IPTV system is characterized in that comprising:
At least one front monitoring front-end is used for monitored object is carried out video monitoring, and with the video signal transmission obtained to the IPTV system;
Described IPTV system is used for miscellaneous service and Streaming Media are handled and managed; And
At least one user terminal is connected to described front monitoring front-end by described IPTV system, is used to browse and controls far-end video image and system.
2. video monitoring system according to claim 1 is characterized in that, described IPTV system comprises:
One or more stream media systems are used to store and handle the video from described front monitoring front-end;
One or more CDN agencies are used to dispatch and control the video that local stream media system is stored;
The CDN manager is used for the video of global monitoring and the storage of the described stream media system of management and is connected with described CDN agency;
Management system is connected to described CDN manager, is used for content and business are managed; And
Electronic program guidance system is used to support the displaying of real-time media object, network storage media object or offline storage media object, and serves for user terminal provides to customize.
3. video monitoring system according to claim 2 is characterized in that, described stream media system comprises:
Streaming Media distribution and delivery module are used for from the Streaming Media distribution of operator be sent to the Streaming Media memory module;
Described Streaming Media memory module is used to store the Streaming Media from described front monitoring front-end;
The streaming media service module is used for described Streaming Media is dispatched and controlled; And
First operating maintenance module is used for the operation between described stream media system and the described front monitoring front-end is safeguarded.
4. video monitoring system according to claim 2 is characterized in that, described CDN agency comprises:
Content scheduling and control module are used for controlling from described stream media system Scheduling Flow medium and to described Streaming Media;
Service dispatch and control module are used to described user terminal that scheduling and control service are provided; And
Second operating maintenance module is used for the operation between described CDN agency and the described user terminal is safeguarded.
5. video monitoring system according to claim 2 is characterized in that, described management system comprises:
Content Management System is used for the content of described user terminal is managed; And
Business management system is used for the business of described user terminal is managed.
6. according to each described video monitoring system in the claim 1 to 5, it is characterized in that described front monitoring front-end, described IPTV system and described user terminal are connected to same IPTV bearer network.
7. video monitoring system according to claim 6 is characterized in that described front monitoring front-end also provides the audio signal of monitoring.
8. video monitoring system according to claim 6 is characterized in that, described business management system authenticates described user terminal and/or described front monitoring front-end.
9. video monitoring system according to claim 6 is characterized in that, described stream media system is under the control of DCN agency or CDN manager, for described user terminal provides historical video data.
10. video monitoring system according to claim 6 is characterized in that, described user terminal is communicated by letter with described front monitoring front-end by described IPTV system.
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