CN101127893A - Integrated control method and system for network camera SIP extension - Google Patents
Integrated control method and system for network camera SIP extension Download PDFInfo
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Abstract
The utility model relates to a network camera uniform control system based on the SIP extension, comprising a monitoring client, a video monitoring platform and a network camera; wherein the monitoring client is used to code the input information of the users into control parameters of the network camera in XML format and sends at least one control parameter as a control instruction to the video monitoring platform via a SIP pathway; the video monitoring platform is used to send the control instruction to the network camera via the SIP pathway; the network camera is used to receive the control instruction according to a unified software interface and executive the corresponding operation according to the XML control parameter in the control instruction. The utility model solves the problems of non-compatibility of different video monitoring platforms and different network cameras and the private network traversing in control process.
Description
Technical field
The present invention relates to a kind of being used under the Internet (Internet) environment, based on the unified control method and the system of the web camera of SIP (Session Initiation Protocol, conversation initialized protocol) expansion.
Background technology
The video monitoring service now has been widely used in industry and departments such as finance, traffic, water conservancy, public security, quality inspection and public safety.Along with the continuous development of modern communications technology and multi-medium data encoding and decoding technique and perfect, rig camera develops into web camera gradually from analog-and digital-video camera.The network environment of various supervisory control systems also little by little from private network, local area network (LAN) to internet development.And the video monitoring service also develops into and can provide general video monitoring service towards public such as numerous individuals from a professional service towards industry gradually.
The video monitoring that provides at the public serves that general user's quantity is bigger, and the user network environment all is the Internet, and the residing position of user and web camera generally all is that they are connected to the Internet by gateway in Intranet.In this case, adopt Session Initiation Protocol to ask session (session) initializtion protocol of video monitoring service to become primary selection, and SIP session information of the prior art only is used for the conversation initialization of multimedia service as the user.
Yet, generally all be to adopt a privately owned cover agreement separately at the control protocol of the public's video surveillance network video camera.Can not interconnect between the different video monitoring system, also have incompatible problem between different video monitoring platform and the heterogeneous networks video camera, if make their co-ordination then need to carry out a large amount of exploitations and debugging work.In addition, because user and web camera all are in the Intranet, also to solve the problem that private network passes through.
Summary of the invention
The invention provides unified control method of a kind of web camera SIP expansion and system, realized problem that different video monitoring platform and heterogeneous networks video camera are incompatible and the private network crossing problem in the control procedure.
In order to address the above problem, the present invention proposes the unified control system of a kind of web camera SIP expansion, comprising: monitor client, video monitoring platform and web camera, wherein,
Described monitor client is used for user's input information is encoded into the web camera Control Parameter of XML form, and described at least one Control Parameter as control command, is sent to video monitoring platform by the SIP path;
Described video monitoring platform is used for the path by SIP, and described control command is sent to web camera;
Described web camera is used for receiving described control command according to unified software interface, and carries out corresponding operation according to the XML Control Parameter in the control command.
Further, the unified control system of above-mentioned web camera SIP expansion also can have following characteristics, described monitor client, and the INFO method by SIP sends to video monitoring platform with control command, promptly in message body control command of carrying of INFO information; Described video monitoring platform is used for received INFO information is sent to web camera; Described web camera is used for the control command according to INFO information, carries out operation accordingly.
Further, the unified control system of above-mentioned web camera SIP expansion also can have following characteristics, and described web camera is used for when connected network, initiates registration action to video monitoring platform, and the session information of maintenance and video monitoring platform; Described video monitoring platform is used for by this network path sending controling instruction.
Further, the unified control system of above-mentioned web camera SIP expansion also can have following characteristics, described control command comprises: SIP header and concrete control command content comprise in described concrete control command content: the label ipcam of XML form, represent that this content is at web camera; Label operation, expression is to the operation of web camera; Label method, expression is to the denomination of dive of web camera.
Further, the unified control system of above-mentioned web camera SIP expansion also can have following characteristics, described video monitoring platform, content according to label operation is come sending controling instruction, when label operation indicated a plurality of web camera, then video monitoring platform sent to corresponding web camera respectively with control command.
Further, the unified control system of above-mentioned web camera SIP expansion also can have following characteristics, and described monitor client is used to be provided with the web camera parameter, and method is made as set, and indicates the parameter that needs setting therein; Described web camera is used for its parameter of information setting according to set.
Further, the unified control system of above-mentioned web camera SIP expansion also can have following characteristics, and described monitor client is used for the action of Control Network video camera, method is made as set, and control information is set in set, if the control The Cloud Terrace also comprises in this XML content: label name and label params, wherein, label name represents action component, comprising: ptz is used to represent The Cloud Terrace; Label params represents the parameter to cradle head control, comprising: label action is used to represent direction, label value, expression actuating range size; Described web camera is used for the concrete set point according to action and the value of label params, the rotation of control The Cloud Terrace.
Further, the unified control system of above-mentioned web camera SIP expansion also can have following characteristics, and described monitor client is used to read the parameter of web camera, and method is made as get, and information promptly gets parms; Described web camera is used for this parameter information is turned back to monitor client with the XML form by video monitoring platform.
The unified control method of a kind of web camera SIP expansion may further comprise the steps:
(1) by monitor client user's input information is encoded into the web camera Control Parameter of XML form, at least one Control Parameter as control command, is sent to video monitoring platform by the SIP path;
(2) video monitoring platform sends to web camera by the SIP path with described control command;
(3) web camera receives described control command according to unified software interface, and carries out corresponding operation according to the XML Control Parameter in the control command.
Further, the unified control method of above-mentioned web camera SIP expansion also can have following characteristics, and in the step (1), monitor client promptly carries described control command the message body of INFO information by the INFO method sending controling instruction of SIP; In the step (2), the control command in the INFO information is sent to web camera by video monitoring platform; In the step (3), web camera is carried out corresponding operation according to control command in the INFO information.
Further, the unified control method of above-mentioned web camera SIP expansion also can have following characteristics, and in the step (1), described web camera is initiated registration action to video monitoring platform when connected network, and the session information of maintenance and video monitoring platform; In the step (2), described video monitoring platform is by this network path sending controling instruction.
Further, the unified control method of above-mentioned web camera SIP expansion also can have following characteristics, in the step (1), described control command comprises: SIP header and concrete control command content, in described concrete control command content, comprise: label ipcam, represent that this content is at web camera; Label operation, expression is to the operation of web camera; Label method, expression is to the denomination of dive of web camera.
Further, the unified control method of above-mentioned web camera SIP expansion also can have following characteristics, in the step (2), video monitoring platform comes sending controling instruction according to the content of label operation, when label operation indicated a plurality of web camera, then video monitoring platform sent to corresponding web camera respectively with control command.
Further, the unified control method of above-mentioned web camera SIP expansion also can have following characteristics, and in the step (1), when monitor client will be provided with the parameter of web camera, method was made as set, and indicated the parameter that needs setting therein; In the step (3), web camera is according to its parameter of the information setting among the set.
Further, the unified control method of above-mentioned web camera SIP expansion also can have following characteristics, in the step (1), when monitor client is wanted the action of Control Network video camera, method is made as set, and control information is set in set, if the control The Cloud Terrace then also comprises in this XML content: label name and label params, wherein, label name represents action component, comprising: ptz is used to represent The Cloud Terrace; Label params represents the parameter to cradle head control, comprising: label action is used to represent direction, label value, expression actuating range size; In the step (3), web camera is controlled the rotation of The Cloud Terrace according to the concrete set point of action and the value of label params.
Further, the unified control method of above-mentioned web camera SIP expansion also can have following characteristics, and in the step (1), when monitor client will read the parameter of web camera, then method was made as get, and information promptly gets parms; In the step (3), web camera turns back to monitor client with the XML form by video monitoring platform with this parameter information.
Compared with prior art, the present invention is with XML formal definition web camera Control Parameter, and the signaling method that passes through SIP sends, promptly carry the Control Parameter of XML form the message body of INFO information, different video monitoring platform and the incompatible problem of heterogeneous networks video camera under the internet environment have been solved, in addition, when web camera powers on, can initiatively register and keep a session to video monitoring platform, video monitoring platform can pass through this network path sending controling instruction, thereby solves the problem that private network passes through.
Description of drawings
Fig. 1 is that control command information is formed schematic diagram among the embodiment;
Fig. 2 is the unified control system figure of web camera SIP expansion among the embodiment;
Fig. 3 is the unified control method schematic diagram of web camera SIP expansion in the example.
Embodiment
At present web camera all is to adopt privately owned control protocol, and video monitoring platform that brings and the incompatibility problem between the web camera etc., the solution that the present invention proposes is to use the expansion of Session Initiation Protocol to be used as control command, so that the control method simple general-purpose solves incompatible problem between different video monitoring platform and the heterogeneous networks video camera; In addition, utilize the SIP conversation initialized protocol that has adopted between video monitoring platform and the web camera, video monitoring platform is by this network path sending controling instruction, thus the problem that the solution private network passes through.
Among the present invention, proposed control command, as shown in Figure 1, having comprised with the formal definition web camera of XML: SIP header and concrete control command content, wherein,
1, SIP header, it is the standard header information of Session Initiation Protocol, meets the standard criterion of Session Initiation Protocol fully;
2, concrete control command content is used for explaining concrete control information, the The Cloud Terrace direction of rotating etc. for example, and this partial information is represented with the form of XML, comprising: the label ipcam of XML form, represent that this content is at web camera; Label operation, expression is to the operation of web camera; Label method, expression is to the denomination of dive of web camera;
Wherein, method can be made as set, and carries out the parameter setting in set, and brightness, shading value etc. for example are set; Also method can be made as set, and in set, control information be set, for example The Cloud Terrace rotation, image candid photograph etc., if the control The Cloud Terrace also comprises in this XML content: label name and label params, wherein, label name represents action component, comprising: ptz is used to represent The Cloud Terrace, label params represents the parameter to cradle head control, comprising: label action is used to represent direction, its value has left, right, up, down etc., label value, expression actuating range size; Also method can be made as get, corresponding with set, the information that promptly gets parms is for example obtained current code stream, frame per second etc.
In above XML, can expand defining different control actions and different content of parameter is set arbitrarily to the XML label.
Among the present invention, the existing SIP session information of monitor client and web camera utilization and video monitoring platform, by the INFO method sending controling instruction of SIP, promptly the control command that expansion is represented with the XML form in the message body of INFO information is controlled the unified of web camera thereby reach.
As shown in Figure 2, the unified control system of a kind of web camera SIP expansion comprises: monitor client, and video monitoring platform and web camera, wherein,
Monitor client is used for being encoded into the XML Control Parameter according to user's input information, and at least one Control Parameter as control command, is sent to video monitoring platform by the SIP path;
Monitor client (comprises user's input information: the parameter of user's input, the perhaps customer parameter that obtains according to modes such as clicking interface button by the user), being encoded into Control Parameter according to the concrete XML definition arrangement of controlling of web camera (comprising: system parameters and application parameter etc., be used to describe concrete control content and controlled quentity controlled variable), above-mentioned one or more Control Parameter as control command (comprising: the rotation direction of The Cloud Terrace and scope, image control etc.), are sent to video monitoring platform with every control command via gateway by the INFO method of SIP.
By XML formal definition Control Parameter, be convenient to identification, expansion, can the self-defining data form, make things convenient for the data of video monitoring platform and web camera encapsulation to exchange.INFO is the method for SIP, and the method for SIP also comprises INVITE, BYE, CANCEL, REGISTER, ACK, OPTIONS etc.Comprise a content-message body in the packet of INFO, we are the message body part of the XML content of definition as INFO.
Described monitor client is used to be provided with the web camera parameter, and method is made as set, and indicates the parameter that needs setting therein; Be used for the action of Control Network video camera, method is made as set, and in set, control information is set, if the control The Cloud Terrace also comprises in this XML content: label name and label params, wherein, label name represents action component, comprising: ptz is used to represent The Cloud Terrace; Label params represents the parameter to cradle head control, comprising: label action is used to represent direction, label value, expression actuating range size; Be used to read the parameter of web camera, method is made as get, information promptly gets parms.
Video monitoring platform is used for tissue, management of network camera and monitor client, transmits and handle the SIP information between web camera and the monitor client; Be that video monitoring platform passes through the SIP path, described control command is sent to web camera via gateway;
Web camera is used for receiving described control command according to unified software interface, and carries out corresponding operation according to the XML Control Parameter in the control command; Promptly resolve the control command in the INFO information, carry out corresponding operation according to Control Parameter.
Web camera is initiatively initiated registration action to video monitoring platform when connected network, and the session information of maintenance and video monitoring platform.Even web camera is in Intranet like this, also set up a network path between it and the video monitoring platform, video monitoring platform can pass through this network path sending controling instruction, and the problem that can can't not have access at the Intranet video monitoring platform because of camera.So just solved the private network crossing problem.
Described web camera is according to its parameter of the information setting among the set; Be used for concrete set point, the rotation of control The Cloud Terrace according to action and the value of label params; Be used for parameter information that monitor client need be obtained, turn back to monitor client by video monitoring platform with the XML form.
Respective instance
When the user when watching the video of web camera, if want to see the video of another angle, then the user can click page left arrow button.At this moment, monitor client software is known user's The Cloud Terrace operation intention according to user's click action, monitor client generates the XML content of cradle head control, INFO method with Session Initiation Protocol sends to video monitoring platform, video monitoring platform sends to web camera with this information after receiving the INFO information of monitor client.After web camera receives INFO information, the XML content is made an explanation and according to rotary platform as a result, the user checks video with new angle.Above description is a simple examples, all conformance with standard SIP definition such as whole control process and information process of transmitting.
The unified control method of a kind of web camera SIP expansion may further comprise the steps:
Step 110 is encoded into the XML Control Parameter by monitor client according to user's input information, and above-mentioned at least one Control Parameter as control command, is sent to video monitoring platform by the SIP path;
Monitor client sends to video monitoring platform by the INFO method of SIP with control command, and promptly the message body in INFO information is carried the control command of XML content.The control command of this XML content comprises: label ipcam, represent that this content is at web camera; Label operation, expression is to the operation of web camera; Label method, expression is to the denomination of dive of web camera;
When monitor client will be provided with the parameter of web camera, method was made as set, and the parameter that indicate to need is provided with therein, and the brightness, shading value of web camera etc. for example are set;
When monitor client was wanted the action of Control Network video camera, method was made as set, and in set control command is set, for example The Cloud Terrace rotation, image candid photograph etc.; When the control The Cloud Terrace, in this XML content, also comprise: label name and label params, wherein, label name represents action component, comprising: ptz is used to represent The Cloud Terrace; Label params represents the parameter to cradle head control, comprising: label action, be used to represent direction, and its value has left, right, up, down etc., label value, expression actuating range size is a unit with the degree;
When monitor client will read the parameter of web camera, then method was made as get, and the information that promptly gets parms is for example obtained current code stream, frame per second etc.
Step 120, video monitoring platform sends to web camera with described control command via gateway by the SIP path;
Video monitoring platform comes sending controling instruction according to the content of label operation.When control command need be issued a plurality of web camera, then video monitoring platform sent different INFO to corresponding web camera.
Step 130 receives described control command by web camera according to unified software interface, and carries out corresponding operation according to the XML Control Parameter in the control command.
Promptly resolve the control command in this INFO information, the control command of this XML content comprises: ipcam, and operation and method, wherein,
When method is set, and expression is when being provided with the parameter of web camera, and then web camera is adjusted the brightness, shading value etc. of web camera according to the information among the set;
When method is set, and the instruction that the control The Cloud Terrace rotates is set in this set, promptly also comprises in the XML content: label name and label params, then web camera is according to the concrete set point of action and the value of label params, the rotation of control The Cloud Terrace;
When method was get, then web camera for example obtained current code stream, frame per second etc. with this parameter information, turns back to monitor client with the XML form by video monitoring platform.
In respective instance, corresponding with the said method step, as shown in Figure 3, if require The Cloud Terrace turn left 3 the degree, then monitor client is in the control command of XML form, label ipcam, label operation, label method need be set, and to be set to the label action value that set, name be set among ptz, the Params be left, label value is 3, degree of a representation numerical value, and above-mentioned set point sent to web camera via video monitoring platform, web camera is resolved this XML content, with The Cloud Terrace turn left 3 the degree.
All control commands can be expanded the XML content according to above pattern, and web camera is carried out other more complicated control action.Even comprise that the current network video camera is not had to realize and the control and the parameter setting of the function that realized in the future.In addition, the present invention also can expand to other equipment and product that uses Session Initiation Protocol.
Claims (16)
1. a web camera SIP expands unified control system, comprising: monitor client, and video monitoring platform and web camera, wherein,
Described monitor client is used for user's input information is encoded into the web camera Control Parameter of XML form, and described at least one Control Parameter as control command, is sent to video monitoring platform by the SIP path;
Described video monitoring platform is used for the path by SIP, and described control command is sent to web camera;
Described web camera is used for receiving described control command according to unified software interface, and carries out corresponding operation according to the XML Control Parameter in the control command.
2. web camera SIP expands unified control system according to claim 1, it is characterized in that,
Described monitor client, the INFO method by SIP sends to video monitoring platform with control command, promptly in message body control command of carrying of INFO information;
Described video monitoring platform is used for received INFO information is sent to web camera;
Described web camera is used for the control command according to INFO information, carries out operation accordingly.
3. web camera SIP expands unified control system according to claim 1, it is characterized in that,
Described web camera is used for when connected network, initiates registration action to video monitoring platform, and the session information of maintenance and video monitoring platform;
Described video monitoring platform is used for by this network path sending controling instruction.
4. state the unified control system of web camera SIP expansion as claim 1, it is characterized in that,
Described control command comprises: SIP header and concrete control command content comprise in described concrete control command content: the label ipcam of XML form, represent that this content is at web camera; Label operation, expression is to the operation of web camera; Label method, expression is to the denomination of dive of web camera.
5. as the unified control system of web camera SIP expansion as described in the claim 4, it is characterized in that,
Described video monitoring platform comes sending controling instruction according to the content of label operation, and when label operation indicated a plurality of web camera, then video monitoring platform sent to corresponding web camera respectively with control command.
6. as the unified control system of web camera SIP expansion as described in the claim 4, it is characterized in that,
Described monitor client is used to be provided with the web camera parameter, and method is made as set, and indicates the parameter that needs setting therein;
Described web camera is used for its parameter of information setting according to set.
7. as the unified control system of web camera SIP expansion as described in the claim 4, it is characterized in that,
Described monitor client, be used for the action of Control Network video camera, method is made as set, and control information is set in set, if the control The Cloud Terrace also comprises in this XML content: label name and label params, wherein, label name represents action component, comprising: ptz is used to represent The Cloud Terrace; Label params represents the parameter to cradle head control, comprising: label action is used to represent direction, label value, expression actuating range size;
Described web camera is used for the concrete set point according to action and the value of label params, the rotation of control The Cloud Terrace.
8. as the unified control system of web camera SIP expansion as described in the claim 4, it is characterized in that,
Described monitor client is used to read the parameter of web camera, and method is made as get, and information promptly gets parms;
Described web camera is used for this parameter information is turned back to monitor client with the XML form by video monitoring platform.
9. a web camera SIP expands unified control method, may further comprise the steps:
(1) by monitor client user's input information is encoded into the web camera Control Parameter of XML form, at least one Control Parameter as control command, is sent to video monitoring platform by the SIP path;
(2) video monitoring platform sends to web camera by the SIP path with described control command;
(3) web camera receives described control command according to unified software interface, and carries out corresponding operation according to the XML Control Parameter in the control command.
10. state the unified control method of web camera SIP expansion as claim 9, it is characterized in that,
In the step (1), monitor client promptly carries described control command the message body of INFO information by the INFO method sending controling instruction of SIP;
In the step (2), the control command in the INFO information is sent to web camera by video monitoring platform;
In the step (3), web camera is carried out corresponding operation according to control command in the INFO information.
11. state the unified control method of web camera SIP expansion as claim 9, it is characterized in that,
In the step (1), described web camera is initiated registration action to video monitoring platform when connected network, and the session information of maintenance and video monitoring platform;
In the step (2), described video monitoring platform is by this network path sending controling instruction.
12. as the unified control method of web camera SIP expansion as described in the claim 9, it is characterized in that,
In the step (1), described control command comprises: SIP header and concrete control command content comprise in described concrete control command content: label ipcam, represent that this content is at web camera; Label operation, expression is to the operation of web camera; Label method, expression is to the denomination of dive of web camera.
13. as the unified control method of web camera SIP expansion as described in the claim 12, it is characterized in that,
In the step (2), video monitoring platform comes sending controling instruction according to the content of label operation, and when label operation indicated a plurality of web camera, then video monitoring platform sent to corresponding web camera respectively with control command.
14. as the unified control method of web camera SIP expansion as described in the claim 12, it is characterized in that,
In the step (1), when monitor client will be provided with the parameter of web camera, method was made as set, and indicated the parameter that needs setting therein;
In the step (3), web camera is according to its parameter of the information setting among the set.
15. state the unified control method of web camera SIP expansion as claim 12, it is characterized in that,
In the step (1), when monitor client is wanted the action of Control Network video camera, method is made as set, and control information is set in set, if the control The Cloud Terrace then also comprises in this XML content: label name and label params, wherein, label name represents action component, comprising: ptz is used to represent The Cloud Terrace; Label params represents the parameter to cradle head control, comprising: label action is used to represent direction, label value, expression actuating range size;
In the step (3), web camera is controlled the rotation of The Cloud Terrace according to the concrete set point of action and the value of label params.
16. state the unified control method of web camera SIP expansion as claim 12, it is characterized in that,
In the step (1), when monitor client will read the parameter of web camera, then method was made as get, and information promptly gets parms;
In the step (3), web camera turns back to monitor client with the XML form by video monitoring platform with this parameter information.
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