CN101867728A - Superposition processing method and device of video recording tasks in video monitoring - Google Patents
Superposition processing method and device of video recording tasks in video monitoring Download PDFInfo
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Abstract
The invention discloses a superposition processing method and a device of video recording tasks in video monitoring. The method comprises inserting generated current video recording tasks into a video recording task list, comparing the code streams of the video recording tasks when the channel in the video recording task list has different types of existing video recording tasks at this time, comparing whether the video recording time period of the current video recording task and the video recording time period of the existing video recoding task are superposed when the code streams of the current video recording task and the existing video recording task are the same and the existing video recording task is alarming video recording, and carrying out superposition processing if superposed; comparing the start time point of the current video recording task, the start time point of the existing video recording task, the ending time point of the current video recording task and the ending time point of the existing video recording task, and carrying out superposition processing according to the comparison results. The invention avoids the problems of video recording file fragmentary caused by service complexity and operation diversity in the video recording process of the monitoring system, discontinuous video recording time period, and easy miss of video recording points.
Description
Technical field
The invention belongs to technical field of video monitoring, be specifically related in a kind of video monitoring system the multi-period record task of multitask polymorphic type be merged the processing method and the device of stack.
Background technology
In recent years, the video monitoring service continuous development of following network technology has obtained extensive attention.The new value_added service of this image remote transmission based on broadband network or mobile network, management is accepted by increasing user.Video monitoring service is mainly the user provides real-time video to watch, the control operation of cloud mirror, and services such as recording storage tube reason and alarm interlock notice, the user can carry out round-the-clock monitoring to the control point whenever and wherever possible.
Along with constantly improving and user's increase of business, it is more and more important that the stability of system and continuity also become, and video recording more needs to add the integrity and the stability of powerful as one of Core Feature of supervisory control system.In practical operation, record task can be divided into manually, regularly, types such as alarm, if add the record task of other types when same passage is being recorded a video again, need to stop previous record task in the usual way, carry out new record task again, this situation is many more, and then the video recording interruption is many more, and the video file of generation is scrappy more, and in processing procedure, exist the regular hour poor, problems such as this can cause recording a video that the recording time point is lost further can cause previous record task to finish too early, the inconsistent problem of video recording recording time and setting.This situation not only greatly reduces client's experience, and may cause to the client to have a strong impact on even lose because the discontinuous user's of causing material time point of video recording is lost.
For this situation is reduced to minimum to the influence that the client causes, then need a kind of effective processing and protection mechanism to guarantee the integrality of video file and information integrity as far as possible.Guarantee that the user can obtain comprehensively accurately continuous video information when inquiry.
Summary of the invention
Technical problem to be solved by this invention provides the superposition processing method and the device of record task in a kind of video monitoring, and when there was the multi-period record task of multitask polymorphic type in video recording system, protection system stable and continuously reduced the loss that video recording is lost.
In order to solve the problems of the technologies described above, the invention provides the superposition processing method of record task in a kind of video monitoring, comprising:
The current record task that generates is inserted in the record task list, the existing at this moment dissimilar record task that exist of this passage in record task list, the code stream that then compares record task, when current record task with to have the record task code stream identical, and already present record task is the alarm video recording, then more current record task and existed record task video time section whether overlapping is as the overlapping overlap-add procedure of then carrying out;
With the time started point of current record task, exist the concluding time point of the time started point of record task, current record task, exist the concluding time point of record task to compare, carry out overlap-add procedure according to comparative result.
Furthermore, be regularly record task or manual record task when there being record task, whether overlapping described more current record task and having existed after record task video time section the step also comprise:
Further judge whether current record task generates legal, when determining current record task generation legal, then carry out overlap-add procedure.
Furthermore, also comprise: when current record task with to have the record task code stream different, then current record task directly is inserted in the task list, finish.
Furthermore, it is legal that described current record task generates, and comprising:
Do not have the type identical with current record task in the record task type that has existed, then current record task is legal.
Furthermore, described current record task and existed record task video time section overlapping comprises:
Put greater than the time started point that exists record task to record a video when the concluding time of current record task plan video recording, and the concluding time that has existed record task to record a video is put the time started point that will record a video greater than current record task.
Furthermore, describedly carry out overlap-add procedure, comprising according to comparative result:
When the time started of current record task point is put less than the concluding time point that has record task greater than the concluding time of time started point that has record task and current record task less than the concluding time point of time started point that has record task and current record task, when there being record task is the alarm video recording, if existed this moment record task also not begin video recording, then the time started point that has record task is changed to the time started point of current record task; When there being record task is regularly video recording or manual record task, then also comprises: the type that the video recording type that has record task is added current record task.
Furthermore, describedly carry out overlap-add procedure, comprising according to comparative result:
Put less than the concluding time point that has record task greater than the time started point that has record task and the concluding time of current record task when the time started of current record task point, then the video recording type that has record task is added the type of current record task.
Furthermore, describedly carry out overlap-add procedure, comprising according to comparative result:
Put greater than existing record task time started point and current record task time started when the current record task time started less than there being the record task concluding time, and current record task concluding time point is greater than there being record task concluding time point, perhaps current record task time started point is less than existing record task time started point and current record task concluding time point greater than there being record task concluding time point, if existed this moment record task also not begin video recording, then existing record task time started point to be changed to current record task time started point and having had that less value of record task time started point, then the video recording type that has record task is added the type of current record task if existed record task to begin to record a video this moment, and existing record task concluding time point to be changed to current record task concluding time point.
In order to solve the problems of the technologies described above, the present invention also provides the overlap-add procedure device of record task in a kind of video monitoring, comprising:
Processing module, the current record task that is used for generating is inserted into record task list;
Judge module, be used for when the existing at this moment dissimilar record task that exist of this passage of record task list, the code stream that then compares record task, when current record task with to have the record task code stream identical, and having had record task is the alarm video recording, then more current record task and existed record task video time section whether overlapping is as the overlapping overlap-add procedure of then carrying out;
Laminating module is used for having existed with the time started point of current record task, the concluding time point of the time started point of record task, current record task, exists the concluding time point of record task to compare, carries out overlap-add procedure according to comparative result.
Furthermore, when already present record task is regularly record task or manual record task, the more current record task of described judge module and existed record task video time section whether overlapping, be used to also judge whether current record task generates legal, generate legally when determining current record task, then carry out overlap-add procedure.
Furthermore, described judge module, be further used for when current record task with to have the record task code stream different, then current record task directly is inserted in the task list.
Furthermore, described judge module is used for having the not type identical with current record task of record task type when determining, and then current record task is legal.
Furthermore, described judge module, put greater than the time started point that exists record task to record a video when the concluding time that determines current record task plan video recording, and the time started point that has existed concluding time point that record task will record a video will record a video greater than current record task, then current record task and existed record task video time section overlapping.
Furthermore, described laminating module is further used for:
When the time started of current record task point is put less than the concluding time point that has record task greater than the concluding time of time started point that has record task and current record task less than the concluding time point of time started point that has record task and current record task, when there being record task is the alarm video recording, if existed this moment record task also not begin video recording, then the time started point that has record task is changed to the time started point of current record task; When there being record task is regularly video recording or manual record task, then also comprises: the type that the video recording type that has record task is added current record task.
Furthermore, described laminating module is further used for:
Put less than the concluding time point that has record task greater than the time started point that has record task and the concluding time of current record task when the time started of current record task point, then the video recording type that has record task is added the type of current record task.
Furthermore, described laminating module is further used for:
Put greater than existing record task time started point and current record task time started when the current record task time started less than there being the record task concluding time, and current record task concluding time point is greater than there being record task concluding time point, perhaps current record task time started point is less than existing record task time started point and current record task concluding time point greater than there being record task concluding time point, if existed this moment record task also not begin video recording, then existing record task time started point to be changed to current record task time started point and having had that less value of record task time started point, then the video recording type that has record task is added the type of current record task if existed record task to begin to record a video this moment, and existing record task concluding time point to be changed to current record task concluding time point.
The present invention compares with general video monitoring method and device, have following advantage: the present invention is on the basis of realizing basic recording function, adding is to the record task merging treatment mechanism that superposes, avoided in the supervisory control system video process owing to business complexity is scrappy with the video file that the operation diversity causes, the video time section is discontinuous, omits video recording point problem easily.Both effectively guaranteed the complete continuity of video recording, effectively noted the type of respectively recording a video again, for later video file inquiry and the video recording type judges and operation judges is laid a good foundation.
Description of drawings
Fig. 1 is a schematic network structure of the present invention.
Fig. 2 is the superposition processing method flow chart of record task in the video monitoring of the present invention.
Fig. 3 is method realization flow figure in the application example of the present invention.
Fig. 4 is the overlap-add procedure apparatus structure schematic diagram of record task in the video monitoring of the present invention.
Embodiment
Main thought of the present invention be in the record task list this passage existing dissimilar at this moment have record task, the code stream that then compares record task, for there being record task is the alarm record task, then when current record task with to have the record task code stream identical, then more current record task and existed record task video time section whether overlapping, as overlapping then think need the stack, carry out overlap-add procedure; For there being record task is regularly record task or manual record task, just needs then further judge whether current record task generates legal, when further determining current record task generation legal, then carry out overlap-add procedure.
Described overlap-add procedure, for: with the time started point of current task, exist the concluding time point of time started point, the current task of task, exist the concluding time point of task to compare, carry out overlap-add procedure according to comparative result.
Below in conjunction with accompanying drawing technical scheme of the present invention and enforcement are elaborated.
Fig. 1 shows schematic network structure of the present invention, camera is by PU (Pre Unit, front end unit) 10 by the base station 13 in the communication network, packet data serving node (Packet Data ServingNode, PDSN) 14 communicate by letter with RGM (Register Manager System registration management subsystem/registrar) 12, perhaps be connected with registrar 12 by the Internet 15, PU can be that mobile device also can be permanent plant, client CU (Client Unit) 11 can connect the registrar 12 of public network by mobile network or fixed network 16, watches video or video recording.The video recording planning chart of registrar 12 meeting regular check user preset in running, the video recording plan that the user is set shifts to an earlier date certain hour generation record task, and a record task that generates is inserted in the record task list.Next, with reference to shown in Figure 2, the present invention will carry out following processing:
Step 201: when the record task of current generation is inserted into record task list, judge whether this passage has had other dissimilar record task this moment in the record task list, be execution in step 202 then, otherwise finish to withdraw from;
Step 202: relatively whether the code stream of record task is identical, if current record task is different with the record task code stream that has existed, then execution in step 203: if current record task is identical with the record task code stream that has existed, and execution in step 204;
Step 203: current task directly is inserted in the task list, finishes;
Step 204: when already present record task is the alarm record task, whether the task video time section that compares current task and existed is overlapping, if the time started point that the concluding time of current task plan video recording point will be recorded a video greater than having existed of task, and the time started point that the concluding time that having existed of task will be recorded a video point will be recorded a video greater than current task, then thinking needs stack, execution in step 206; When already present record task is regularly record task or manual record task, further execution in step 205; Otherwise do not think and to superpose, execution in step 203;
Step 205: carry out the legitimacy judgement that current record task generates, if the type identical with current record task arranged in the record task type that has existed, then current record task is illegal, finishes to withdraw from; Otherwise expression needs stack, execution in step 206;
Step 206: further judge the situation that it can superpose, with the time started point of current task, exist the concluding time point of time started point, the current task of task, exist the concluding time point of task to compare, carry out overlap-add procedure according to comparative result.
Describedly carry out overlap-add procedure, divide three kinds of situations according to comparative result:
First kind of situation: the time started as if current task put less than the concluding time point that has task greater than the concluding time of time started that has task and current task less than the concluding time of time started that has task and current task, then the video recording type that has task is added the type of current record task, if existed this moment record task also not begin video recording, then the time started point that has task is changed to the time started point of current task.
Second kind of situation:, then the video recording type that has task is added the type of current record task if the time started of current task point is put less than the concluding time point that has task greater than the time started point that has task and the concluding time of current task.
The third situation: if time started of current task greater than time started of time started that has task and current task less than concluding time of concluding time that has task and current task greater than the concluding time that has task, perhaps the time started of current task less than the concluding time of time started that has task and current task greater than the concluding time that has task, satisfy above-mentioned condition both one of, if existed this moment task also not begin video recording, then the time started that has task is changed to current task time started point and has had that less value of task time started point, if already present task began to record a video and then the video recording type that has task added the type of current record task this moment, and the already present record task concluding time is changed to the concluding time of current record task.
Below by the example in the concrete application technical solution of the present invention is carried out exemplary illustration.
Should be with in the example, be that the current record task of plan video recording is an example with the type, set forth this record task with existed record task stacked system.
Step 1: after CU (client) sets plan, plan can be uploaded to cms (ContentManager System, Content Management System) preserves, and be issued to corresponding node RGM (Register Manager System by cms, the registration management subsystem), generate the video recording planning chart, RGM shifts to an earlier date a period of time, and (can set) generates current record task, when current record task is inserted into record task list, if this passage has had other dissimilar record task at this moment in the record task list, such as: manually video recording, alarm video recording; Then compare the code stream of record task, if current task is different with the task code stream that has existed, current task directly is inserted in the task list, if current task is identical with the task code stream that has existed, judgement then superposes.
Whether step 2, comparison current task and the task video time section that has existed be overlapping, if the time started point that the concluding time of current task plan video recording point will be recorded a video greater than having existed of task, and the time started point that the concluding time that having existed of task will be recorded a video point will be recorded a video greater than current task, then thinking needs stack.Otherwise do not think the direct insertion task that to superpose.
Step 3, if need stack, then at first carry out the legitimacy that current task generates and judge, (here 1: plan video recording/timing is recorded a video if the task type that has existed is 1 or 3 or 5 or 7; 2: the alarm video recording; 3:1+2; 4: manually video recording, 5:1+4; 7:1+2+4, and the like), then expression has had the regularly stack of video recording plan, then current record task is illegal, (when the video recording plan is provided with,, not allowing to be provided with the plan that repetition was arranged on the time) for the record task of same type otherwise then the expression need the stack.
Step 4, if current task legal need the stack, then need the situation of judging that further it can superpose.Here divide three kinds, first kind: the time started as if current task put less than the concluding time point that has task greater than the concluding time of time started that has task and current task less than the concluding time of time started that has task and current task, then the video recording type that has task is added 1, promptly add the type of plan target, if existed this moment record task also not begin video recording, then the time started point that has task is changed to the time started point of current task.When putting to the time started that the user sets, promptly task is handed down to CDN (Content Distribution Network, content distributing network), by CDN notice SS (Streaming Server, streaming media server), SS manages the passage of corresponding PU and records a video, and at last the video recording result is reported CDN, and CDN notice RGM carries out recorded and stored.
Second kind of situation, if the time started of current task point was put less than the concluding time point that has task greater than the concluding time of time started point that has task and current task, then the video recording type that has task is added 1, promptly add the type of plan target.
The third situation, if time started of current task greater than time started of time started that has task and current task less than concluding time of concluding time that has task and current task greater than the concluding time that has task, perhaps the time started of current task less than the concluding time of time started that has task and current task greater than the concluding time that has task, after satisfying above-mentioned condition, if existed this moment task also not begin video recording, then the time started that has task is changed to current task time started point and has had that less value of task time started point, if already present task has begun to record a video then the video recording type that has task is added 1 and the already present record task concluding time is changed to concluding time of current task at this moment.And issue amended task immediately to CDN, and by CDN notice SS, the passage that SS manages corresponding PU carries out the modification of video time section, and at last the video recording result is reported CDN, and CDN notice RGM carries out recorded and stored.
Specify, above-mentioned application example has only illustrated the stacked system of plan record task, for the stack of alarm video recording with other video recordings, manually video recording is identical with the stacked system and the manner of other video recordings, and is suitable for too for the software stacked system that is not limited to the above-mentioned type.
As shown in Figure 3, should be with the superposition processing method flow chart of record task in the video monitoring in the example.Concrete implementation step is as follows: wherein, the meaning of Old.e, Old.b, New.e, New.b representative is as follows among Fig. 3:
Old.e: deposited the task termination time; New.e: current task concluding time
Old.b: deposited task time started New.b: current task time started
Record in step 301, the system's timing scan video recording planning chart.In recording a video half an hour time started, plan generating record task;
Step 302, if this passage of task list the inside does not exist record task then to insert record task list, otherwise this passage has had other record task in the task list, if current task is different with the task code stream that has existed, directly be inserted in the task list current task;
If step 303 current task is identical with the task code stream that has existed, and the time started point that the concluding time of current task plan video recording point will be recorded a video greater than having existed of task, and the time started point that the concluding time that having existed of task will be recorded a video point will be recorded a video greater than current task then continues to judge whether current task is legal, otherwise directly current task is inserted in the task list; If current task does not conform to the direct process ends of rule;
If step 304 current task is legal, if deposited the concluding time point of the concluding time point of task greater than current task, deposited the time started point of the time started point of task greater than current task, the video recording type of then having deposited task adds 1, and judge to have existed task whether to begin video recording, then the time started point of depositing task is not changed to the time started point of current task if also begin to record a video, revise again and deposited record task, otherwise directly task has been deposited in modification;
If the time started of step 305 current task point is greater than the time started point of depositing task and deposited the concluding time point of the concluding time point of task greater than current task, then revises the video recording of having deposited the task of having deposited in the task list and add 1; Otherwise
Step 306, if the time started of current task greater than time started of time started that has task and current task less than concluding time of concluding time that has task and current task greater than the concluding time that has task, perhaps the time started of current task less than the concluding time of time started that has task and current task greater than the concluding time that has task, if the task of having deposited did not also begin to record a video and then the concluding time of depositing task was changed to less value in two concluding times this moment, otherwise the type of depositing task is added 1, and the time started of having deposited is changed to the time started of current task.If judging, the front time ratio do not satisfy then directly termination process.
With reference to shown in Figure 4, be the overlap-add procedure apparatus structure schematic diagram of record task in the video monitoring of the present invention.The overlap-add procedure device of record task is arranged at RGM (RegisterManager System registration management subsystem/registrar) in the described video monitoring, comprising:
Laminating module 52 is used for having existed with the time started point of current task, the concluding time point of time started point, the current task of task, exists the concluding time point of task to compare, carries out overlap-add procedure according to comparative result.
In a preferred embodiment of the invention, when already present record task is regularly record task or manual record task, described judge module 51 more current record task and existed record task video time section whether overlapping, be used to also judge whether current record task generates legal, generate legally when determining current record task, then thinking needs overlap-add procedure.
In a preferred embodiment of the invention, described judge module 51 is further used for when current record task and to have the record task code stream different, then current task directly is inserted in the task list end.
In a preferred embodiment of the invention, described judge module 51 does not have the type identical with current record task in determining the record task type that has existed, and then current record task is legal.
In a preferred embodiment of the invention, described judge module 51, put the time started point that to record a video greater than having existed of task when the concluding time that determines current task plan video recording, and the time started point that the concluding time that having existed of task will be recorded a video point will be recorded a video greater than current task, then current task and the task video time section that existed are overlapping
In a preferred embodiment of the invention, described laminating module 52 is further used for:
When the time started of current task point is put less than the concluding time point that has task greater than the concluding time of time started point that has task and current task less than the concluding time point of time started point that has task and current task, when already present record task is the alarm video recording, if existed this moment record task also not begin video recording, then the time started point that has task is changed to the time started point of current task; When already present record task is regularly video recording, then also comprise: the video recording type that has task is added the type of current record task,
In a preferred embodiment of the invention, described laminating module 52 is further used for:
Put less than the concluding time point that has task greater than the time started point that has task and the concluding time of current task when the time started of current task point, then the video recording type that has task is added the type of current record task.
In a preferred embodiment of the invention, described laminating module 52 is further used for:
Put greater than existing task time started point and current task time started when the current task time started less than there being the task termination time, and the current task concluding time, point was greater than there being the task termination time point, perhaps current task time started point is less than existing task time started point and current task concluding time point greater than there being the task termination time point, if existed this moment task also not begin video recording, then existing task time started point to be changed to current task time started point and having had that less value of task time started point, if already present task began to record a video and then the video recording type that has task added the type of current record task this moment, and the already present record task concluding time put be changed to current record task concluding time point.
Realization of the present invention not only is applicable to the stack judgment processing method of video monitoring service record task, and by simple deformation, this method also can be used other stack that need carry out software operation and merge the field.
Certainly, the present invention also can have other various embodiments.Under the situation that does not deviate from spirit of the present invention and essence thereof, those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (16)
1. the superposition processing method of record task in the video monitoring is characterized in that, comprising:
The current record task that generates is inserted in the record task list, the existing at this moment dissimilar record task that exist of this passage in record task list, the code stream that then compares record task, when current record task with to have the record task code stream identical, and having had record task is the alarm video recording, then more current record task and existed record task video time section whether overlapping is as the overlapping overlap-add procedure of then carrying out;
With the time started point of current record task, exist the concluding time point of the time started point of record task, current record task, exist the concluding time point of record task to compare, carry out overlap-add procedure according to comparative result.
2. the method for claim 1 is characterized in that, is regularly record task or manual record task when there being record task, and whether overlapping described more current record task and having existed after record task video time section the step also comprise:
Further judge whether current record task generates legal, when determining current record task generation legal, then carry out overlap-add procedure.
3. the method for claim 1 is characterized in that, also comprises: when current record task with to have the record task code stream different, then current record task directly is inserted in the task list, finish.
4. method as claimed in claim 2 is characterized in that, it is legal that described current record task generates, and comprising:
Do not have the type identical with current record task in having the record task type, then current record task is legal.
5. the method for claim 1 is characterized in that, described current record task and existed record task video time section overlapping comprises:
Put greater than the time started point that exists record task to record a video when the concluding time of current record task plan video recording, and the concluding time that has existed record task to record a video is put the time started point that will record a video greater than current record task.
6. method as claimed in claim 1 or 2 is characterized in that, describedly carries out overlap-add procedure according to comparative result, comprising:
When the time started of current record task point is put less than the concluding time point that has record task greater than the concluding time of time started point that has record task and current record task less than the concluding time point of time started point that has record task and current record task, when there being record task is the alarm video recording, if existed this moment record task also not begin video recording, then the time started point that has record task is changed to the time started point of current record task; When there being record task is regularly video recording or manual record task, then also comprises: the type that the video recording type that has record task is added current record task.
7. method as claimed in claim 1 or 2 is characterized in that, describedly carries out overlap-add procedure according to comparative result, comprising:
Put less than the concluding time point that has record task greater than the time started point that has record task and the concluding time of current record task when the time started of current record task point, then the video recording type that has record task is added the type of current record task.
8. method as claimed in claim 1 or 2 is characterized in that, describedly carries out overlap-add procedure according to comparative result, comprising:
Put greater than existing record task time started point and current record task time started when the current record task time started less than there being the record task concluding time, and current record task concluding time point is greater than there being record task concluding time point, perhaps current record task time started point is less than existing record task time started point and current record task concluding time point greater than there being record task concluding time point, if existed this moment record task also not begin video recording, then existing record task time started point to be changed to current record task time started point and having had that less value of record task time started point, then the video recording type that has record task is added the type of current record task if existed record task to begin to record a video this moment, and existing record task concluding time point to be changed to current record task concluding time point.
9. the overlap-add procedure device of record task in the video monitoring is characterized in that, comprising:
Processing module, the current record task that is used for generating is inserted into record task list;
Judge module, be used for when the existing at this moment dissimilar record task that exist of this passage of record task list, the code stream that then compares record task, when current record task with to have the record task code stream identical, and having had record task is the alarm video recording, then more current record task and existed record task video time section whether overlapping is as the overlapping overlap-add procedure of then carrying out;
Laminating module is used for having existed with the time started point of current record task, the concluding time point of the time started point of record task, current record task, exists the concluding time point of record task to compare, carries out overlap-add procedure according to comparative result.
10. device as claimed in claim 9, it is characterized in that, when already present record task is regularly record task or manual record task, the more current record task of described judge module and existed record task video time section whether overlapping, be used to also judge whether current record task generates legal, generate legally when determining current record task, then carry out overlap-add procedure.
11. device as claimed in claim 9 is characterized in that, described judge module is further used for when current record task and to have the record task code stream different, then current record task directly is inserted in the task list end.
12. device as claimed in claim 10 is characterized in that, described judge module is used for having the not type identical with current record task of record task type when determining, and then current record task is legal.
13. device as claimed in claim 9, it is characterized in that, described judge module, put greater than the time started point that exists record task to record a video when the concluding time that determines current record task plan video recording, and the time started point that has existed concluding time point that record task will record a video will record a video greater than current record task, then current record task and existed record task video time section overlapping.
14., it is characterized in that described laminating module is further used for as claim 9 or 10 described devices:
When the time started of current record task point is put less than the concluding time point that has record task greater than the concluding time of time started point that has record task and current record task less than the concluding time point of time started point that has record task and current record task, when there being record task is the alarm video recording, if existed this moment record task also not begin video recording, then the time started point that has record task is changed to the time started point of current record task; When there being record task is regularly video recording or manual record task, then also comprises: the type that the video recording type that has record task is added current record task.
15., it is characterized in that described laminating module is further used for as claim 9 or 10 described devices:
Put less than the concluding time point that has record task greater than the time started point that has record task and the concluding time of current record task when the time started of current record task point, then the video recording type that has record task is added the type of current record task.
16., it is characterized in that described laminating module is further used for as claim 9 or 10 described devices:
Put greater than existing record task time started point and current record task time started when the current record task time started less than there being the record task concluding time, and current record task concluding time point is greater than there being record task concluding time point, perhaps current record task time started point is less than existing record task time started point and current record task concluding time point greater than there being record task concluding time point, if existed this moment record task also not begin video recording, then existing record task time started point to be changed to current record task time started point and having had that less value of record task time started point, then the video recording type that has record task is added the type of current record task if existed record task to begin to record a video this moment, and existing record task concluding time point to be changed to current record task concluding time point.
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