CN103731637A - Control system and method of local area network video device - Google Patents
Control system and method of local area network video device Download PDFInfo
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- CN103731637A CN103731637A CN201310708319.5A CN201310708319A CN103731637A CN 103731637 A CN103731637 A CN 103731637A CN 201310708319 A CN201310708319 A CN 201310708319A CN 103731637 A CN103731637 A CN 103731637A
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Abstract
The invention discloses a control system and method of a local area network video device. The control system comprises a control device, the video device and a front-end device, wherein the control device sends a first request to the front-end device; the front-end device maps the received first request to be a second request and sends the second request to the video device; the video device sends a second request response according to the second request; the front-end device receives the second request response and maps the second request response to be a first request response; the control device receives the first request response and obtains and controls the video content of the video device. According to the control system and method of the local area network video device, multiple video devices can work synergistically, comprehensiveness of monitoring coverage is ensured, the range of video monitoring is enlarged, and the monitoring viewing angle is optimized at the same time.
Description
Technical field
The present invention relates to field of video monitoring, particularly relate to a kind of control system and control method of local area network (LAN) video equipment.
Background technology
Video monitoring progressively enters commercial market, and each producer has all released civilian video monitoring camera.But, because civilian video monitoring equipment is in the popularization initial stage, also large-scale application not, and due to factors such as Video Supervision Technique threshold height, cause equipment price totally higher, so a small amount of video monitoring equipment only can be installed by general family, key area is monitored, as positions such as doorways.
But in home network, a lot of equipment has camera function at present, the television set that for example Samsung is released is equipped with camera, can realize video calling; The Xbox that Microsoft releases, can also analyze by Real-time Obtaining video, realizes somatic sensation television game function.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of control system and control method of local area network (LAN) video equipment, can make the video equipment collaborative work in local area network (LAN), expands the scope of video monitoring.
For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that
A control system for local area network (LAN) video equipment, it comprises control appliance, headend equipment and video equipment; Described control appliance sends the first request to this headend equipment, this headend equipment is mapped as the second request Concurrency by described the first request receiving and delivers to described video equipment, and this video equipment sends the second request response according to the second request, this headend equipment receives the second request and responds and be mapped as the first request response, this control appliance receives this first request response, and this control appliance obtains and control the video content of this video equipment.
As preferred version, described local area network (LAN) video equipment control system also comprises server, and described headend equipment is to this server transmitting apparatus registration request registration.
As preferred version, described headend equipment comprises:
The first mapping block, be used for receiving the first request and be mapped as the second request, and described the first mapping block comprises the first receiver module that receives the first request, resolve the first parsing module of this first request, according to analysis result, be mapped as the first matching module of the second request; The first sending module, for sending the second request to video equipment; The second mapping block, be used for receiving the second request and respond and be mapped as the first request response, and described the second mapping block comprises the second receiver module that receives the second request response, resolve the second parsing module of this second request response, according to analytic structure, be mapped as the second matching module of the first request response; The second sending module, for sending the first request response to control appliance.
As preferred version, described control appliance comprises the opening Internet video interface ONVIF of forum client or Session initiation Protocol SIP client, described headend equipment comprises ONVIF equipment or SIP equipment, and order or the parameter of described video equipment are supported in the expansion of described headend equipment.
As preferred version, described video equipment comprises UPnP UPnP equipment, and described headend equipment comprises UPnP control point.
Another kind of technical scheme provided by the invention:
A control method for local area network (LAN) video equipment, it comprises:
A, headend equipment receive the first request being sent by control appliance;
B, headend equipment send second and ask to video equipment, and this second request is used for controlling video equipment;
C, headend equipment receive the second request response being sent according to the second request by video equipment;
D, headend equipment send the first request and respond to control appliance, control appliance is obtained and control the video content of video equipment.
As preferred version, before steps A, also should comprise:
A0, headend equipment be to server transmitting apparatus registration request, and register in server.
As preferred version, step B also comprises:
B1, reception the first request; B2, parsing the first request; B3, according to analysis result, be mapped as the second request.
As preferred version, step D also comprises:
D1, second request that receives respond; D2, second request of resolving respond; D3, according to analysis result, be mapped as the first request response.
As preferred version, ONVIF agreement and/or SIP are deferred in described the first request; UPnP agreement is deferred in described the second request.
The technique effect that the present invention reaches is as follows: the present invention can make many video equipment collaborative works, guarantees that monitoring covers comprehensive, expands the scope of video monitoring; Make to monitor visual angle optimization simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the control system of local area network (LAN) video equipment of the present invention;
Fig. 2 is the structural representation of headend equipment of the present invention;
Fig. 3 is the structural representation of the first mapping block in the present invention;
Fig. 4 is the structural representation of the second mapping block in the present invention;
Fig. 5 is the flow chart of the control method of local area network (LAN) video equipment of the present invention;
Fig. 6 is the concrete operations schematic flow sheet of the local area network (LAN) video equipment Collaborative Control take NVR as core.
[critical piece symbol description]
1 control appliance
2 headend equipments
21 first mapping blocks
211 first receiver modules
212 first parsing modules
213 first matching modules
22 first sending modules
23 second mapping blocks
231 second receiver modules
232 second parsing modules
233 second matching modules
24 second sending modules
3 video equipments.
Embodiment
As shown in Figure 1, the control system of local area network (LAN) video equipment of the present invention comprises control appliance 1, headend equipment 2 and video equipment 3.Wherein, described control appliance 1 sends the first request to this headend equipment 2, this headend equipment 2 is mapped as the second request Concurrency by described the first request receiving and delivers to described video equipment 3, and this video equipment 3 sends the second request response according to the second request, this headend equipment 2 receives the second request and responds and be mapped as the first request response, this control appliance 1 receives this first request response, thereby this control appliance 1 obtains and control the video content of this video equipment 3.
In addition, the control system of local area network (LAN) video equipment of the present invention also comprises server, and headend equipment 2 is to this server transmitting apparatus registration request and register in this server.
As shown in Figure 2, headend equipment 2 comprises the first mapping block 21, and what for receiving control apparatus 1, send first asks and be mapped as the second request; The first sending module 22, for sending the second request to video equipment 3; The second mapping block 23, respond and is mapped as the first request and respond for receiving the second request being sent by video equipment 3, and the second sending module 24, for send the first request to control appliance 1, responds.
As shown in Figure 3, the first mapping block 21 comprises the first receiver module 211 that receives the first request, resolves the first parsing module 212 of this first request, is mapped as the first matching module 213 of the second request according to analysis result.As shown in Figure 4, the second mapping block 23 comprises the second receiver module 231 that receives the second request response, resolves the second parsing module 232 of this second request response, is mapped as the second matching module 233 of the first request response according to analysis result.
Wherein, described control appliance 1 comprises opening Internet video interface (the Open Network Video Interface Forum of forum, ONVIF) client or Session initiation Protocol (Session Initiation Protocol, SIP) client, this control appliance 1 can be for having the mobile phone of ONVIF client.Described video equipment 3 comprises UPnP (Universal Plug and Play, the UPnP) equipment with camera function, and wherein, this video equipment 3 can be the household electrical appliance with UPnP equipment, as TV, computer, video camera etc.Described headend equipment 2 comprises ONVIF equipment or SIP equipment and UPnP control point, and order or the parameter of described ONVIF equipment or SIP device extension support control UPnP equipment, wherein, this headend equipment 2 can be to be had the network hard disk video recorder (Network Video Recorder, NVR) at ONVIF equipment and UPnP control point or is video camera, video record equipment etc.
Be illustrated in figure 5 the flow chart of the control method of local area network (LAN) video equipment of the present invention, described control method comprises:
Step 501: headend equipment is to server transmitting apparatus registration request, and register in server.
Described facility registration request comprises the URL(uniform resource locator) (Uniform Resource Locator, URL) of device service and/or the id information of equipment.
Step 502: headend equipment receives the first request being sent by control appliance.
ONVIF agreement and/or SIP are deferred in described the first request.
Step 503: headend equipment sends second and asks to video equipment, this second request is used for controlling video equipment.
Wherein, step 503 specifically comprises:
Step 503a: receive the first request; Step 503b: resolve the first request; Step 503c: be mapped as the second request according to analysis result.
Wherein, UPnP agreement is deferred in described the second request.
Step 504: headend equipment receives the second request response being sent according to the second request by video equipment.
Step 505: headend equipment sends the first request and responds to control appliance, obtains control appliance and controls the video content of video equipment.
Wherein, step 505 specifically comprises:
Step 505a: receive the second request response; Step 505b: resolve the second request response; Step 505c: be mapped as the first request response according to analysis result.
Figure 6 shows that the concrete operations schematic flow sheet of the local area network (LAN) video equipment Collaborative Control take NVR as core.
Below take control appliance as mobile phone, the television camera of headend equipment as NVR and video equipment as the UPnP equipment with camera function be that example is done concrete introduction.Described concrete operations flow process comprises:
Step 610:NVR sends registration request to proxy server, and registers.It mainly comprises:
Step 611:NVR is preset or obtain proxy server DP address by domain name system (Domain Name System, DNS) SRV.
Step 612:NVR sends " hello " request to proxy server DP, and proxy server DP sends " hello " message response to NVR simultaneously, thereby realize NVR, in proxy server, registers.
Step 613: mobile phone obtains the address of proxy server DP, and search the ONVIF equipment in family to proxy server DP transmission investigation (Probe Request) request; Proxy server DP replaces NVR to send investigation coupling (Probe Match) response to mobile phone, carries NVR device service address simultaneously.
By above-mentioned operating procedure, NVR carries out the registration of information in proxy server, and mobile phone can be found NVR.
Step 620: mobile phone sends to NVR the function request of obtaining.
Wherein, according to obtaining function request (GetCapabilitiesRequest), judge whether NVR supports the attached order of UPnP, NVR sends and obtains functional response (GetCapabilitiesResponse) to mobile phone simultaneously.
Step 630: mobile phone sends auxiliary sending request to NVR, finds television camera.
Wherein, auxiliary the sending request (SendAuxiliaryRequest) that mobile phone sends is mapped as UPnP order, as: mobile phone sends, auxiliaryly send request SendAuxiliaryRequest and carry DigitalCameraDiscovery|On parameter, this order is for triggering the UPnP equipment of search DigitalCameraDiscovery type, take television camera as example, and obtain the address information of television camera.
Step 640:NVR sends search command, obtains the address information of television camera.
According to search command (M-Search), searching television video camera, and position (Location) field mapping that NVR obtains search (M-Search) response being sent by television camera are sent to mobile phone.
Step 650: mobile phone sends auxiliary sending request to NVR, to obtain the action message of television camera.
Wherein, auxiliary the sending request (SendAuxiliaryRequest) that mobile phone sends carried DigitalCameraActionDiscovery|Location parameter, and this order is used for obtaining the action message of position (Location) designated equipment.
Step 660:NVR obtains the description document of television camera, and auxiliary transmission of transmission responds to mobile phone.
Wherein, NVR obtains the UPnP device description file of television set video camera to the designated equipment transmission HTTP GET that obtains position (Location), then obtain UPnP service description file, thereby obtain the action lists of television set video camera support UPnP, be sent to NVR and be mapped as the operating list of supporting ONVIF equipment, by NVR, send auxiliary transmission and respond (SendAuxiliaryResponse) to mobile phone, thereby realize mobile phone, find television camera.
NVR is mapped as by the action of UPnP the attached order that NVR supports, for example UPnP moving image (MotionImage) is as follows with the mapping table of attached order:
Step 670: mobile phone sends the auxiliary order that sends, obtains the monitor message of television camera.
Wherein, SetDefaultEncoding|DefaultEncoding parameter is carried in the auxiliary transmission order (SendAuxiliaryCommand) that mobile phone sends, and this order is used for arranging the acquiescence encoded radio of television camera.
Step 680:NVR receives to be mapped as after order and the request of acquiescence coding is set sends to television camera.
Step 690: television camera is carried out the acquiescence coding request of arranging, and carry result simultaneously and return to NVR the response of acquiescence coding is set; And NVR is mapped as to send to assist to send to respond and carry result is sent to mobile phone.Thereby realize by mobile phone control and obtain the video information of television camera, reaching the object that monitors target.
Wherein, NVR transmission arranges acquiescence coding SetDefaultEncoding and asks to television camera, and the result that television camera can be returned sends to mobile phone.Thereby the ONVIF agreement control NVR that realizes the ONVIF client by mobile phone obtains the video information of monitoring objective of television camera to monitor target.
In addition, in the present embodiment, only take NVR as example.In actual production process, the headend equipment that can have ONVIF equipment and UPnP control point by other is as required replaced, for example video camera.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.
Claims (10)
1. a control system for local area network (LAN) video equipment, is characterized in that, it comprises control appliance, headend equipment and video equipment; Described control appliance sends the first request to this headend equipment, this headend equipment is mapped as the second request Concurrency by described the first request receiving and delivers to described video equipment, and this video equipment sends the second request response according to the second request, this headend equipment receives the second request and responds and be mapped as the first request response, this control appliance receives this first request response, and this control appliance obtains and control the video content of this video equipment.
2. the control system of local area network (LAN) video equipment according to claim 1, is characterized in that, described local area network (LAN) video equipment control system also comprises server, and described headend equipment is to this server transmitting apparatus registration request registration.
3. the control system of local area network (LAN) video equipment according to claim 1 and 2, is characterized in that, described headend equipment comprises:
The first mapping block, be used for receiving the first request and be mapped as the second request, and described the first mapping block comprises the first receiver module that receives the first request, resolve the first parsing module of this first request, according to analysis result, be mapped as the first matching module of the second request;
The first sending module, for sending the second request to video equipment;
The second mapping block, be used for receiving the second request and respond and be mapped as the first request response, and described the second mapping block comprises the second receiver module that receives the second request response, resolve the second parsing module of this second request response, according to analytic structure, be mapped as the second matching module of the first request response;
The second sending module, for sending the first request response to control appliance.
4. the control system of local area network (LAN) video equipment according to claim 1, it is characterized in that, described control appliance comprises the opening Internet video interface ONVIF of forum client or Session initiation Protocol SIP client, described headend equipment comprises ONVIF equipment or SIP equipment, and order or the parameter of described video equipment are supported in the expansion of described headend equipment.
5. the control system of local area network (LAN) video equipment according to claim 1, is characterized in that, described video equipment comprises UPnP UPnP equipment, and described headend equipment comprises UPnP control point.
6. a control method for local area network (LAN) video equipment, is characterized in that, it comprises:
A, headend equipment receive the first request being sent by control appliance;
B, headend equipment send second and ask to video equipment, and this second request is used for controlling video equipment;
C, headend equipment receive the second request response being sent according to the second request by video equipment;
D, headend equipment send the first request and respond to control appliance, control appliance is obtained and control the video content of video equipment.
7. the control method of local area network (LAN) video equipment according to claim 6, is characterized in that, before steps A, also should comprise:
A0, headend equipment be to server transmitting apparatus registration request, and register in server.
8. the control method of local area network (LAN) video equipment according to claim 6, is characterized in that, step B also comprises:
B1, reception the first request; B2, parsing the first request; B3, according to analysis result, be mapped as the second request.
9. the control method of local area network (LAN) video equipment according to claim 6, is characterized in that, step D also comprises:
D1, second request that receives respond; D2, second request of resolving respond; D3, according to analysis result, be mapped as the first request response.
10. the control method of local area network (LAN) video equipment according to claim 6, is characterized in that, ONVIF agreement and/or SIP are deferred in described the first request; UPnP agreement is deferred in described the second request.
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| CN201310708319.5A CN103731637B (en) | 2013-12-20 | 2013-12-20 | The control system and its method of local area network video device |
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