CN100481936C - Method for establishing video frequency monitoring front end equipment control parts adoption structure - Google Patents
Method for establishing video frequency monitoring front end equipment control parts adoption structure Download PDFInfo
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- CN100481936C CN100481936C CNB2006100183972A CN200610018397A CN100481936C CN 100481936 C CN100481936 C CN 100481936C CN B2006100183972 A CNB2006100183972 A CN B2006100183972A CN 200610018397 A CN200610018397 A CN 200610018397A CN 100481936 C CN100481936 C CN 100481936C
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Abstract
A method for setting up receiving frame of control component on video monitor front end device includes setting stream media switch-in gateway and defining interface standard of said control component as well as defining control component receiving mechanism of said gateway, storing control component being coded as per interface standard on video monitor front end device, storing onloading program of control component in stream media switch-in gateway, carrying out safety verification and registration as well as storage of control component after control component is onloaded in said gateway.
Description
Technical field
The present invention relates to field of multimedia communication, particularly set up the control of a kind of audio-video code stream, control signaling, transport protocol standardization and admit framework different types of video monitoring front end equipment.
Background technology
Large-scale digital video monitor system networking needs to utilize existing numerous building and video monitoring system resource yet to be built, and one of them major issue to be solved is exactly, the national at present video monitoring system of building, building and will build can't network a large amount of video monitoring systems owing to lack unified video monitoring networking technology national standard (comprising media formats standard, control signaling standard, transport protocol standard).There is following problem in front end watch-dog in the particularly existing video monitoring system:
1. watch-dog (containing web camera, video server and digital hard disc video recorder etc.) of a great variety, provide by each tame manufacturer, video compression standard that adopts and video recording form transmission standard differ, be difficult on the aspect that interconnects of equipment room, realize the extensive application that inserts, cause to realize video monitoring resource-sharing and information exchange.
2. owing to development of technology, each tame manufacturer also can constantly put out a new product the progress of adaptive technique.Like this, when each tame manufacturer provides new codec and control module, the original system that need upgrade simultaneously is of a high price.
At present, existing professional person proposes the suggestion that video monitoring system is unified to network to country, after video monitoring networking technology national standard is put into effect, watch-dog provider certainly will need to drop into a large amount of research and development energy and funds adapt to new standard, numerous video monitoring system resources of having built also need transformation and upgrade, be not fully utilized, and engineering are huge, costly, the cycle is tediously long.
Summary of the invention
The objective of the invention is to provides a kind of method of setting up video frequency monitoring front end equipment control parts adoption structure at problems of the prior art.
For realizing purpose of the present invention, the Streaming Media IAD is set, the control interface standard of definition video monitoring front end equipment control, the control of definition Streaming Media IAD is admitted mechanism, the control of video monitoring front end equipment is stored in the video monitoring front end equipment after writing by the control interface standard, the control program of uploading in the Streaming Media IAD in the storage control admittance mechanism is uploaded control and carry out control safety verification, registration and storage behind the Streaming Media IAD.
And described control interface standard is made up of the standard of capability negotiation interface, standard, the standard of audio/video flow decoding interface and the standard of system control interface of control signaling interface.
And, definition control admittance mechanism comprises following content: deposit position, filename and the GUID of control in video monitoring front end equipment, the Streaming Media IAD is known the mode of control and the scope of application of this control, based on the control safety verification of digital signature.
And definition Streaming Media IAD is known that the mode of control comprises setting and is uploaded the control program, upload the control procedure operation and comprise following step,
(1) set up the mapping table of a sky in the Streaming Media IAD, mapping content is the particular location that video monitoring front end equipment control descriptor is deposited in this Streaming Media IAD to control;
(2) video monitoring front end equipment provides its descriptor of looking the audio decoder control to the Streaming Media IAD, comprises control deposit position, control name and GUID number;
(3) whether Streaming Media IAD inquiry itself has had this control, has existed then directly to be written into this control, enters the flow process of normal service;
(4) if Query Result is this control not in the Streaming Media IAD in the step (3), download this control, carry out security verification, if authentication failed withdraws from control and admits process according to the descriptor of the decoding control that provides;
(5) if in step (4), pass through security verification, in mapping table, increase the sign of this control of expression, enter the flow process of normal service.
Set up video frequency monitoring front end equipment control parts adoption structure, be in order to integrate the resource of existing video monitoring system easily, the present invention has defined the control interface standard for this reason, control is admitted mechanism, admit mechanism according to standardized control, the Streaming Media gateway is admitted the control with standard interface from headend equipment.By standardized control interface, at the Streaming Media gateway control is handled, the Video stream information of headend equipment output outwards provides the Video stream information of reference format through the Streaming Media gateway, the signaling of the reference format that controlling party sends converts the specific operation signaling of specific front-end equipment to, and heterogeneous network can interconnect by the host-host protocol of standard thus.Therefore the method for setting up control admittance framework provided by the invention, can solve prior art problems, admit the resource-sharing of the existing video monitoring system of framework support, and implement conveniently with a kind of control of standard, with low cost, help setting up large-scale video surveillance network.
Description of drawings
Fig. 1 is a system principle schematic diagram of the present invention.
Fig. 2 be the embodiment of the invention upload the control program flow diagram.
Embodiment
Referring to accompanying drawing 1, the present invention is provided with the Streaming Media IAD, the control interface standard of definition video monitoring front end equipment control, the control of definition Streaming Media IAD is admitted mechanism, the control of video monitoring front end equipment is stored in the video monitoring front end equipment after writing by the control interface standard, the control program of uploading in the Streaming Media IAD in the storage control admittance mechanism is uploaded control and carry out control safety verification, registration and storage behind the Streaming Media IAD.The Streaming Media IAD can adopt server, PC etc. to support the hardware device of bidirectional data transfers and routine processes function.Need be between each heterogeneous network via the Streaming Media IAD, adopt same video monitoring networking technical standard (comprising media formats standard, control signaling standard, transport protocol standard) to interconnect the video monitoring networking technical standard that this standard can adopt country or industry to generally acknowledge.At present monitoring frontend mainly comprises video server, web camera, DVR (DVR), according to existing video server host-host protocol, web camera host-host protocol, DVR host-host protocol in existing monitor network internal transmission.The Streaming Media IAD is set is connected with existing various isomery monitor networks, the headend equipment control of writing by interface standard then can with video server host-host protocol, web camera host-host protocol, the corresponding audio-video code stream of DVR host-host protocol be downloaded to the Streaming Media IAD in form.By standardized control interface, the Streaming Media gateway all can be operated the control of different headend equipments: the Video stream information that headend equipment obtains outwards provides the Video stream information of reference format through the Streaming Media gateway, and the signaling of the reference format that controlling party sends converts the specific operation signaling of specific front-end equipment in the Streaming Media gateway.Thus, no matter existing in the video monitoring system how different the specific separately control signaling of headend equipment is, the media formats and the host-host protocol of still existing video monitoring system are different, can interconnect by the Streaming Media IAD, have overcome the obstacle that existing video monitoring system resource is enjoyed mutually.
In order to operate the control of variety classes front end watch-dog at the Streaming Media IAD, need comprise the standard of capability negotiation interface, control signaling interface, audio/video flow decoding interface, these four kinds of interfaces of system control interface for the headend equipment control is provided with interface standard.The effect of each standard interface in the Streaming Media IAD below is described in detail in detail: (1) capability negotiation interface: handling capacity is consulted interface and is obtained device capability information: as device type, the cradle head control orders of image magnitude range, video frame rate scope, video code rate, support etc. are used as the call parameters of controlling signaling interface; (2) control signaling interface: the parameter list that obtains according to the capability negotiation interface, use this control signaling interface that standard is controlled the specific control command that signaling is converted into different monitoring headend equipment or DVR server, go to control headend equipment PTZ control (The Cloud Terrace is comprehensive move and camera lens becomes doubly, zoom control), video attribute is provided with etc.; (3) audio/video flow decoding interface: obtain the video code flow of front end video monitoring equipment, demultiplexing, decoding; (4) system control interface: the control initialization, analyse structure.In concrete enforcement, existing headend equipment in the existing video monitoring system, its control can newly be write by standard weight, the former control of covering is installed is got final product, and it is convenient to implement.Concrete standard and specifically to write be the work that this area ordinary person can finish according to performance will not be given unnecessary details.Realize that via the Streaming Media gateway control signaling, audio, video data interconnect, it is convenient effective means that the control interface of headend equipment is carried out standardization, the basis that this control that is the present invention sets up is admitted framework.
Automatically admit the control that obtains different headend equipments in order to realize the Streaming Media IAD, the present invention has defined a series of details, be the mechanism that clear and definite control is admitted: the deposit position of control in video monitoring front end equipment of writing by the control interface standard, filename, and UUID (GUID) number, obtain automatically realizing; Definition Streaming Media IAD know control mode, this control the scope of application and can handle which initial data, the Streaming Media IAD knows that the mode of control comprises transformat, speed etc., and particularly definite Streaming Media IAD is uploaded the program of control; Definition is based on the control safety verification of digital signature.Admit mechanism owing to clearly defined control,, all can adopt the same control Automatic Program of uploading to upload control for existing various video surveillance network resources.
Referring to Fig. 2, what the invention provides specific embodiment uploads the control flow process: at first, after video monitoring front end equipment (video server, web camera, DVR) starts, according to the IP address and the port of the Streaming Media IAD of previous configuration, to the application for registration of Streaming Media gateway application control; After the Streaming Media gateway receives the application of video monitoring front end equipment in step 11, create the mapping table of a sky for each control application for registration; In step 12 and obtain control name, UUID number and the relevant informations such as position (control admit mechanism in advance define) of control in video monitoring front end equipment of headend equipment control by Transmission Control Protocol; After the Streaming Media gateway obtains the relevant information of control, in step 12a, 12b, 12c, carry out the inspection of control name, UUID number and memory location, errors excepted, withdraw from the admittance process of control; Do not have mistake as relevant information,,, then directly enter normal service procedure if exist at the registered control of step 13 retrieval stream media gateway; Step 13 result then carry out step 14 for not, and the Streaming Media gateway is downloaded control according to the relevant information of control from video monitoring front end equipment; Behind the Streaming Media gateway downloads control, carry out verification in step 15, for example be set to as downloading continuous 3 failures of control, perhaps the control verification of successively downloading for 3 times is all failed, and withdraws from the admittance process of control; By checking procedure, then enter step 16 as control, carry out the safety verification of digital signature,,, then withdraw from the admittance process of control as authentication failed so that the fail safe of control is checked; Be proved to be successful as step 16, then carry out step 17 this control is registered to Streaming Media gateway (promptly increasing the sign of this control of expression in mapping table), and at this control of Streaming Media gateway stores; Entering normal service routine then (mainly is by the control signaling interface standard to be controlled the specific control signaling that signaling converts to be sent to the front end watch-dog, and the audio-video code stream that transmits by original host-host protocol by the audio/video flow decoding interface and convert the standard pronunciation video flowing to and send), promptly upload the end step 18 of control program.
Claims (4)
1. method of setting up video frequency monitoring front end equipment control parts adoption structure, it is characterized in that: the Streaming Media IAD is set, the control interface standard of definition video monitoring front end equipment control, the control of definition Streaming Media IAD is admitted mechanism, the control of video monitoring front end equipment is stored in the video monitoring front end equipment after writing by the control interface standard, the control program of uploading in the Streaming Media IAD in the storage control admittance mechanism is uploaded control and carry out control safety verification, registration and storage behind the Streaming Media IAD.
2. the method for setting up video frequency monitoring front end equipment control parts adoption structure according to claim 1 is characterized in that: described control interface standard is made up of the standard of capability negotiation interface, standard, the standard of audio/video flow decoding interface and the standard of system control interface of control signaling interface.
3. the method for setting up video frequency monitoring front end equipment control parts adoption structure according to claim 1, it is characterized in that: definition control admittance mechanism comprises following content: deposit position, filename and the GUID of control in video monitoring front end equipment, the Streaming Media IAD is known the mode of control and the scope of application of this control, based on the control safety verification of digital signature.
4. the method for setting up video frequency monitoring front end equipment control parts adoption structure according to claim 3 is characterized in that: definition Streaming Media IAD is known that the mode of control comprises setting and is uploaded the control program, upload the control procedure operation and comprise following step,
(1) set up the mapping table of a sky in the Streaming Media IAD, mapping content is the particular location that video monitoring front end equipment control descriptor is deposited in this Streaming Media IAD to control;
(2) video monitoring front end equipment provides its descriptor of looking the audio decoder control to the Streaming Media IAD, comprises control deposit position, control name and GUID number;
(3) whether Streaming Media IAD inquiry itself has had this control, has existed then directly to be written into this control, enters the flow process of normal service;
(4) if Query Result is this control not in the Streaming Media IAD in the step (3), download this control, carry out security verification, if authentication failed withdraws from control and admits process according to the descriptor of the decoding control that provides;
(5) if in step (4), pass through security verification, in mapping table, increase the sign of this control of expression, enter the flow process of normal service.
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| CN100481936C true CN100481936C (en) | 2009-04-22 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101296369A (en) * | 2007-04-29 | 2008-10-29 | 华为技术有限公司 | Video system and video broadcasting method |
| CN101309393B (en) * | 2007-05-17 | 2010-06-23 | 中兴通讯股份有限公司 | Method and system for inter-cut video monitoring in interactive network television |
| CN101170687B (en) * | 2007-11-28 | 2010-07-28 | 武汉烽火网络有限责任公司 | Method for front recording order to penetrate NAT based on video monitoring |
| CN101272481B (en) * | 2008-04-02 | 2010-06-16 | 武汉大学 | Video monitoring front end equipment access method |
| CN101854354A (en) * | 2010-04-29 | 2010-10-06 | 北京富盛星电子有限公司 | Method for mutually controlling different video monitoring equipment |
| CN102790873A (en) * | 2011-05-16 | 2012-11-21 | 捷达世软件（深圳）有限公司 | Method and system for integration of monitor video playing control component |
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