CN105338314A - Video pan-tilt device control method and system under wireless network condition - Google Patents
Video pan-tilt device control method and system under wireless network condition Download PDFInfo
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- CN105338314A CN105338314A CN201510714076.5A CN201510714076A CN105338314A CN 105338314 A CN105338314 A CN 105338314A CN 201510714076 A CN201510714076 A CN 201510714076A CN 105338314 A CN105338314 A CN 105338314A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 238000003860 storage Methods 0.000 claims description 8
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- 230000007246 mechanism Effects 0.000 abstract description 6
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Abstract
The invention provides a video pan-tilt device control method and system under a wireless network condition. The video pan-tilt device control method includes the following steps that: a monitoring system is started, an asynchronous queue is created for the pan-tilt device of each video apparatus, so that control tasks for the pan-tilt devices can be asynchronously stored; a background polling thread is created for each asynchronous queue, so that execution strategies for the control tasks in the asynchronous queues are formulated according to the connection relations between the video apparatuses and a monitoring system; and the connection states between each video apparatus and the monitoring system are monitored. According to the video pan-tilt device control method and system under the wireless network condition of the invention, an asynchronous queue task mechanism is adopted, and on-line and offline messages reported by the video apparatuses are utilized in combination, and therefore, optimized control on video pan-tilt devices can be realized, and the pan-tilt devices can be controlled timely in a wireless network under a condition that signal quality is instable; and the friendly degree of the operation of a user interface can be improved, and user experience can be enhanced; and processing efficiency of pan-tilt device control can be improved.
Description
Technical field
The present invention relates to a kind of video control method and system, particularly relate to the video cloud platform control method under a kind of radio network conditions and system.
Background technology
The Cloud Terrace is the fastening of installation, fixed cameras, and it is divided into fixing and electric platform two kinds.Fixing The Cloud Terrace is applicable to the little situation of monitoring range, the level of adjustable video camera and the angle of pitching after fixing The Cloud Terrace installs video camera, as long as locking adjusting mechanism after reaching best operating attitude.Electric platform is applicable to carrying out scanning monitoring on a large scale, and it can expand the monitoring range of video camera.Electric platform high speed attitude is realized by two operating motors, and the signal that motor accepts self-controller accurately runs location.Under the effect of control signal, the video camera on The Cloud Terrace both can automatic scan monitor area, also can trace and monitor object under the manipulation of Surveillance center operator on duty.
The good cable network of the most condition Network Based of existing video monitoring system carries out designing.Because the network condition in this environment is fine, there will not be video equipment often to reach the standard grade situation about rolling off the production line, therefore cradle head control reaction in time, can meet the demand of user.
Based in the photographic technique of wireless network, particularly when wireless network signal quality instability, user controls in the process of cloud platform rotation by video monitoring system, and after monitor system software sends cradle head control instruction, The Cloud Terrace returns results that to have delay even overtime.Usually, user is often by repeatedly attempting the validity of verification operation, and interface event queue can be caused like this to queue up, and extreme case can cause interface stuck.Because cradle head control thread occupies user interface control thread, make user have to wait as long for return instruction, thus other The Cloud Terraces cannot be manipulated or use other software functions, make Consumer's Experience poor.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide the video cloud platform control method under a kind of radio network conditions and system, asynchronous queue's task mechanism is adopted to process cradle head control request, in conjunction with connection status and the cradle head control state of video equipment, video monitoring system still can be controlled The Cloud Terrace in the unstable situation of signal quality in the wireless network in time, enhance Consumer's Experience.
For achieving the above object and other relevant objects, the invention provides the video cloud platform control method under a kind of radio network conditions, comprise the following steps: start supervisory control system, the The Cloud Terrace for each video equipment creates an asynchronous queue, with the manipulation tasks of asynchronous storage to The Cloud Terrace; For each asynchronous queue creates a backstage poll thread, to process the manipulation tasks in asynchronous queue; Monitor the connection status between each video equipment and supervisory control system simultaneously; If be in wireless connection conditions between video equipment and supervisory control system, then when manipulating the The Cloud Terrace of this video equipment, corresponding manipulation tasks is put into asynchronous queue, backstage poll thread detects and performs the manipulation tasks newly added; If be between video equipment and supervisory control system and lose connection status, then poll thread in backstage does not respond any manipulation tasks of user to the The Cloud Terrace of this video equipment, until recover between video equipment with supervisory control system to be connected.
According to the video cloud platform control method under above-mentioned radio network conditions, wherein: when creating asynchronous queue, first the control request of user to The Cloud Terrace is converted to asynchronous task; Then asynchronous task is stored in asynchronous queue.
According to the video cloud platform control method under above-mentioned radio network conditions, wherein: the connection status between video equipment and supervisory control system comprises and is in wireless connection conditions and lose connection status.
According to the video cloud platform control method under above-mentioned radio network conditions, wherein: when backstage poll thread execution manipulation tasks, if perform certain manipulation tasks time-out, then the number of times that retry is certain; If after the number of times that retry is certain, described manipulation tasks does not still run succeeded, then judge that video equipment and monitoring software are in and lose connection status.
According to the video cloud platform control method under above-mentioned radio network conditions, wherein: be in when losing connection status when between video equipment and supervisory control system, all manipulation tasks in the asynchronous queue of the The Cloud Terrace of described video equipment are all removed by backstage poll thread.
Meanwhile, the present invention also provides the bench control system of the video cloud under a kind of radio network conditions, comprises asynchronous queue's creation module, backstage poller module and monitors module;
Described asynchronous queue creation module is used for after startup supervisory control system, and the The Cloud Terrace for each video equipment creates an asynchronous queue, with the manipulation tasks of asynchronous storage to The Cloud Terrace;
Described monitoring module is for monitoring the connection status between each video equipment and supervisory control system;
Described backstage poller module is used for when being in wireless connection conditions between video equipment and supervisory control system, detects and performs the manipulation tasks of the The Cloud Terrace for video equipment newly added in asynchronous queue; Be in when losing connection status between video equipment and supervisory control system, do not respond any manipulation tasks of user to the The Cloud Terrace of video equipment, until recover between video equipment with supervisory control system to be connected.
According to the video cloud bench control system under above-mentioned radio network conditions, wherein: when creating asynchronous queue, first the control request of user to The Cloud Terrace is converted to asynchronous task; Then asynchronous task is stored in asynchronous queue.
According to the video cloud bench control system under above-mentioned radio network conditions, wherein: the connection status between video equipment and supervisory control system comprises and is in wireless connection conditions and lose connection status.
According to the video cloud bench control system under above-mentioned radio network conditions, wherein: when backstage poll thread execution manipulation tasks, if perform certain manipulation tasks time-out, then the number of times that retry is certain; If after the number of times that retry is certain, described manipulation tasks does not still run succeeded, then described monitoring module judgement video equipment and monitoring software are in and lose connection status.
According to the video cloud bench control system under above-mentioned radio network conditions, wherein: be in when losing connection status when between video equipment and supervisory control system, all manipulation tasks in the asynchronous queue of the The Cloud Terrace of described video equipment are all removed by described backstage poll thread.
As mentioned above, the video cloud platform control method under radio network conditions of the present invention and system, have following beneficial effect:
(1) adopt asynchronous queue task mechanism, in conjunction with video equipment report reach the standard grade, roll off the production line message, realizes the optimal control to video The Cloud Terrace, even if still can control in time The Cloud Terrace in the unstable situation of signal quality in the wireless network;
(2) improve operating user interface friendliness, enhance Consumer's Experience;
(3) improve the treatment effeciency of cradle head control.
Accompanying drawing explanation
Fig. 1 is shown as the flow process diagram of the video cloud platform control method under radio network conditions of the present invention
Fig. 2 is shown as the structural representation of the video cloud bench control system under radio network conditions of the present invention;
Fig. 3 is shown as the working state schematic representation of video cloud bench control system under radio network conditions of the present invention.
Element numbers explanation
1 asynchronous queue's creation module
2 backstage poller module
3 monitor module
Embodiment
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art the content disclosed by this specification can understand other advantages of the present invention and effect easily.The present invention can also be implemented or be applied by embodiments different in addition, and the every details in this specification also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.
It should be noted that, the diagram provided in the present embodiment only illustrates basic conception of the present invention in a schematic way, then only the assembly relevant with the present invention is shown in graphic but not component count, shape and size when implementing according to reality is drawn, it is actual when implementing, and the kenel of each assembly, quantity and ratio can be a kind of change arbitrarily, and its assembly layout kenel also may be more complicated.
Video cloud platform control method under radio network conditions of the present invention and system adopt asynchronous queue's task mechanism, The Cloud Terrace for each video equipment creates an asynchronous queue, by the control request of user to The Cloud Terrace, be converted to asynchronous task and put into asynchronous queue, backstage poll thread, according to the annexation between video equipment and supervisory control system, formulates the implementation strategy for the manipulation tasks in asynchronous queue.Owing to controlling request, on backstage, execution does not take interface thread, makes user not need to wait for that request results returns, thus arbitrarily can manipulate The Cloud Terrace, enhance Consumer's Experience.
With reference to Fig. 1, the video cloud platform control method under radio network conditions of the present invention comprises the following steps:
Step S1, startup supervisory control system, the The Cloud Terrace for each video equipment creates an asynchronous queue, with the manipulation tasks of asynchronous storage to The Cloud Terrace; For each asynchronous queue creates a backstage poll thread, to process the manipulation tasks in asynchronous queue; Monitor the connection status between each video equipment and supervisory control system simultaneously.
Particularly, video monitoring system needs to perform following operation after starting simultaneously:
11) for the The Cloud Terrace of each video equipment creates an asynchronous queue
Wherein, this asynchronous queue is used for asynchronous storage to the task of cradle head control.Particularly, first the control request of user to The Cloud Terrace is converted to asynchronous task; Then asynchronous task is stored in asynchronous queue.
12) for each asynchronous queue creates a backstage poll thread
The main task of this backstage poll thread obtains the manipulation tasks in asynchronous queue, and perform it.
13) watcher thread is started, to monitor the connection status between each video equipment and supervisory control system.
Particularly, the connection status between video equipment and supervisory control system comprises and is in wireless connection conditions and lose connection status.The change of connection status between video equipment and supervisory control system is sent to backstage poll thread by this watcher thread; Backstage poll thread formulates the implementation strategy for the manipulation tasks in asynchronous queue according to connection status again.
If be in wireless connection conditions between step S2 video equipment and supervisory control system, then when manipulating the The Cloud Terrace of this video equipment, corresponding manipulation tasks is put into asynchronous queue, backstage poll thread detects and performs the manipulation tasks newly added.
Particularly, when being in wireless connection conditions when between video equipment and supervisory control system, user manipulates the The Cloud Terrace of this video equipment on the software interface of supervisory control system, and these control actions are converted into manipulation tasks one by one and put into asynchronous queue; Whether backstage poll thread constantly detects has new manipulation tasks to add, and when there being new manipulation tasks, performs these tasks, thus completes the manipulation to The Cloud Terrace.
If be between step S3 video equipment and supervisory control system and lose connection status, then poll thread in backstage does not respond any manipulation tasks of user to the The Cloud Terrace of this video equipment, until recover between video equipment with supervisory control system to be connected.
When backstage poll thread execution manipulation tasks, if perform certain manipulation tasks time-out, then the number of times that retry is certain.Preferably, retry 3 times.If after the number of times that retry is certain, manipulation tasks does not still run succeeded, then judge that video equipment has lost with monitoring software and be connected.Now, all manipulation tasks in the asynchronous queue of the The Cloud Terrace of this video equipment are all removed by backstage poll thread, because necessity that these tasks have not performed; And subsequent user is to all manipulations of this The Cloud Terrace, backstage poll thread all will not respond, until the connection of supervisory control system notice backstage this video equipment of poll thread and supervisory control system recovers.
With reference to Fig. 2 and Fig. 3, the video cloud bench control system under radio network conditions of the present invention comprises asynchronous queue's creation module 1, backstage poller module 2 and monitors module 3.
Asynchronous queue's creation module 1 is for after startup supervisory control system, and the The Cloud Terrace for each video equipment creates an asynchronous queue, with the manipulation tasks of asynchronous storage to The Cloud Terrace.
Monitor module 3 for monitoring the connection status between each video equipment and supervisory control system.
Backstage poller module 2 and asynchronous queue creation module 1 with monitor module 3 and be connected, during for being in wireless connection conditions between video equipment and supervisory control system, detecting and performing the manipulation tasks of the The Cloud Terrace for video equipment newly added in asynchronous queue; Be in when losing connection status between video equipment and supervisory control system, do not respond any manipulation tasks of user to the The Cloud Terrace of video identification, until recover between video equipment with supervisory control system to be connected.
Particularly, video monitoring system needs to perform following operation after starting simultaneously:
11) for the The Cloud Terrace of each video equipment creates an asynchronous queue
Wherein, this asynchronous queue is used for asynchronous storage to the task of cradle head control.Particularly, first the control request of user to The Cloud Terrace is converted to asynchronous task; Then asynchronous task is stored in asynchronous queue.
12) for each asynchronous queue creates a backstage poll thread
The main task of this backstage poll thread obtains the manipulation tasks in asynchronous queue, and perform it.
13) watcher thread is started, to monitor the connection status between each video equipment and supervisory control system.
Particularly, the connection status between video equipment and supervisory control system comprises and is in wireless connection conditions and lose connection status.The change of connection status between video equipment and supervisory control system is sent to backstage poll thread by this watcher thread; Backstage poll thread formulates the implementation strategy for the manipulation tasks in asynchronous queue according to connection status again.
Particularly, when being in wireless connection conditions when between video equipment and supervisory control system, user manipulates the The Cloud Terrace of certain video equipment on the software interface of supervisory control system, and these control actions are converted into manipulation tasks one by one and put into asynchronous queue; Whether backstage poll thread constantly detects has new manipulation tasks to add, and when there being new manipulation tasks, performs these tasks, thus completes the manipulation to The Cloud Terrace.
When backstage poll thread execution manipulation tasks, if perform certain manipulation tasks time-out, then the number of times that retry is certain.Preferably, retry 3 times.If after the number of times that retry is certain, this manipulation tasks does not still run succeeded, then judge that video equipment has lost with monitoring software and be connected.Now, all manipulation tasks in the asynchronous queue of the The Cloud Terrace of this video equipment are all removed by backstage poll thread, because necessity that these tasks have not performed; And subsequent user is to all manipulations of this The Cloud Terrace, backstage poll thread all will not respond, until the connection of supervisory control system notice backstage this video equipment of poll thread and supervisory control system recovers.
In sum, video cloud platform control method under radio network conditions of the present invention and system adopt asynchronous queue's task mechanism, in conjunction with video equipment report reach the standard grade, roll off the production line message, realize optimal control to video The Cloud Terrace, even if still can control in time The Cloud Terrace in the unstable situation of signal quality in the wireless network; Improve operating user interface friendliness, enhance Consumer's Experience; Improve the treatment effeciency of cradle head control.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. the video cloud platform control method under radio network conditions, is characterized in that: comprise the following steps:
Start supervisory control system, the The Cloud Terrace for each video equipment creates an asynchronous queue, with the manipulation tasks of asynchronous storage to The Cloud Terrace; For each asynchronous queue creates a backstage poll thread, to process the manipulation tasks in asynchronous queue; Monitor the connection status between each video equipment and supervisory control system simultaneously;
If be in wireless connection conditions between video equipment and supervisory control system, then when manipulating the The Cloud Terrace of this video equipment, corresponding manipulation tasks is put into asynchronous queue, backstage poll thread detects and performs the manipulation tasks newly added;
If be between video equipment and supervisory control system and lose connection status, then poll thread in backstage does not respond any manipulation tasks of user to the The Cloud Terrace of this video equipment, until recover between video equipment with supervisory control system to be connected.
2. the video cloud platform control method under radio network conditions according to claim 1, is characterized in that: when creating asynchronous queue, first the control request of user to The Cloud Terrace is converted to asynchronous task; Then asynchronous task is stored in asynchronous queue.
3. the video cloud platform control method under radio network conditions according to claim 1, is characterized in that: the connection status between video equipment and supervisory control system comprises and is in wireless connection conditions and lose connection status.
4. the video cloud platform control method under radio network conditions according to claim 1, is characterized in that: when backstage poll thread execution manipulation tasks, if perform certain manipulation tasks time-out, then the number of times that retry is certain; If after the number of times that retry is certain, described manipulation tasks does not still run succeeded, then judge that video equipment and monitoring software are in and lose connection status.
5. the video cloud platform control method under radio network conditions according to claim 1, it is characterized in that: be in when losing connection status when between video equipment and supervisory control system, all manipulation tasks in the asynchronous queue of the The Cloud Terrace of described video equipment are all removed by backstage poll thread.
6. the video cloud bench control system under radio network conditions, is characterized in that: comprise asynchronous queue's creation module, backstage poller module and monitor module;
Described asynchronous queue creation module is used for after startup supervisory control system, and the The Cloud Terrace for each video equipment creates an asynchronous queue, with the manipulation tasks of asynchronous storage to The Cloud Terrace;
Described monitoring module is for monitoring the connection status between each video equipment and supervisory control system;
Described backstage poller module is used for when being in wireless connection conditions between video equipment and supervisory control system, detects and performs the manipulation tasks of the The Cloud Terrace for video equipment newly added in asynchronous queue; Be in when losing connection status between video equipment and supervisory control system, do not respond any manipulation tasks of user to the The Cloud Terrace of video equipment, until recover between video equipment with supervisory control system to be connected.
7. the video cloud bench control system under radio network conditions according to claim 6, is characterized in that: when creating asynchronous queue, first the control request of user to The Cloud Terrace is converted to asynchronous task; Then asynchronous task is stored in asynchronous queue.
8. the video cloud bench control system under radio network conditions according to claim 6, is characterized in that: the connection status between video equipment and supervisory control system comprises and is in wireless connection conditions and lose connection status.
9. the video cloud bench control system under radio network conditions according to claim 6, is characterized in that: when backstage poll thread execution manipulation tasks, if perform certain manipulation tasks time-out, then the number of times that retry is certain; If after the number of times that retry is certain, described manipulation tasks does not still run succeeded, then described monitoring module judgement video equipment and monitoring software are in and lose connection status.
10. the video cloud bench control system under radio network conditions according to claim 6, it is characterized in that: be in when losing connection status when between video equipment and supervisory control system, all manipulation tasks in the asynchronous queue of the The Cloud Terrace of described video equipment are all removed by described backstage poll thread.
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