CN105847723A - Video information backup method and apparatus - Google Patents
Video information backup method and apparatus Download PDFInfo
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- CN105847723A CN105847723A CN201610223184.7A CN201610223184A CN105847723A CN 105847723 A CN105847723 A CN 105847723A CN 201610223184 A CN201610223184 A CN 201610223184A CN 105847723 A CN105847723 A CN 105847723A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Engineering & Computer Science (AREA)
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- Television Signal Processing For Recording (AREA)
Abstract
The invention belongs to the technical field of video monitoring, and provides a video information backup method and apparatus. The backup method comprises the following steps: detecting the requests for bit streams from a server so as to acquire the connection state between a camera and the server; initiating a video backup function if no such request is detected and storing the obtained video information in a designated memory; and uploading the video information stored in the memory to the server if the request for bit streams is detected under the video backup function so that the server adds the video information into the video file with missing information. According to the invention, the video information backup method and apparatus are able to prevent the occurrence of information missing and video incompletion due to internet hazards, thus, ensuring the continuation and integrity of video files at a back terminal server.
Description
Technical field
The invention belongs to technical field of video monitoring, particularly relate to backup method and the device of a kind of video information.
Background technology
Existing video monitoring system is made up of several roads video camera at least, is imaged unit by thousands of roads at most
Become.These video monitoring systems use network topology mostly, by the network that replicates by the video camera of front end and
The server of rear end couples together.But, due to natural disaster, artificial destruction, accident power-off and exchange
Machine failure and other reasons, the network as transport layer there will be the risk interrupting even paralysing, now, even if taking the photograph
Camera does not has fault to remain to normal acquisition video information, and the server of rear end also cannot get video in real time
Information, thus cause the disappearance of video information, it is impossible to ensure seriality and the integrity of video information.
Summary of the invention
In consideration of it, the embodiment of the present invention provides backup method and the device of a kind of video information, existing to solve
The video information that video monitoring system causes due to network risks lacks, the incomplete problem of video file.
First aspect, it is provided that the backup method of a kind of video information, described backup method includes:
Detection server transmitted stream request, to obtain the connection status between video camera and server；
If cannot detect when described code stream is asked, start video backup function, by acquired video information
Store to the memorizer specified；
If the described code stream request that server sends detected under video backup function, by described memorizer
Middle stored video information is uploaded to described server, so that described video information is added by described server
It is added in the video file of disappearance.
Second aspect, it is provided that the back-up device of a kind of video information, described back-up device includes:
Detection module, is used for detecting the request of server transmitted stream, to obtain between video camera and server
Connection status；
Backup module, if for detecting when described code stream is asked, starts video backup function, by institute
The video information obtained stores to the memorizer specified；
Upper transmission module, if being used for detecting under video backup function when the described code stream that server sends is asked,
The video information stored in described memorizer is uploaded to described server, so that described server is by institute
State in the video file that video information adds disappearance to.
Compared with prior art, the embodiment of the present invention, by improving video camera, adds state in video camera
Detection, backup functionality and functions of retransmission, detect the request of server transmitted stream in real time by video camera,
To obtain the connection status between video camera and server；If cannot detect when described code stream is asked, then open
Dynamic video backup function, stores acquired video information to the memorizer specified；If at video backup
When the described code stream request that server sends being detected under function, then the video that will be stored in described memorizer
Information is uploaded to described server, so that described server adds described video information the video recording of disappearance to
In file；Thus solve video information disappearance, the record that existing video monitoring system causes due to network risks
As the incomplete problem of file, it is ensured that the seriality of the video file on the server of rear end and integrity.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the flowchart of the backup method of the video information that the embodiment of the present invention provides；
Fig. 2 is the flowchart of the backup method of the video information that another embodiment of the present invention provides；
Fig. 3 is the flowchart of the backup method of the video information that another embodiment of the present invention provides；
Fig. 4 is the composition structure chart of the back-up device of the video information that the embodiment of the present invention provides.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein
Only in order to explain the present invention, it is not intended to limit the present invention.
The embodiment of the present invention by improve video camera, add in video camera state-detection, backup functionality with
And functions of retransmission, detected the request of server transmitted stream in real time by video camera, to obtain video camera and clothes
Connection status between business device；If cannot detect when described code stream is asked, then start video backup function,
Acquired video information is stored to the memorizer specified；If service being detected under video backup function
During the described code stream request that device sends, then the video information stored in described memorizer is uploaded to described clothes
Business device, so that described video information is added in the video file of disappearance by described server；Thus solve
Video information disappearance that existing video monitoring system causes due to network risks, video file is incomplete asks
Topic, it is ensured that the seriality of the video file on the server of rear end and integrity.The embodiment of the present invention also carries
Supply corresponding device, be described in detail individually below.
What Fig. 1 showed the backup method of the video information that the embodiment of the present invention provides realizes flow process.
Here, the backup method of described video information is applied to video camera, and described video camera is video monitoring
The video camera of front end in system, also includes the server of rear end in described video monitoring system.Real in the present invention
Executing in example, described video camera is additionally arranged video backup function, and built-in SD card, is backed up for storage
Video information.Refering to Fig. 1, described backup method includes:
In step S101, detection server transmitted stream request, to obtain between video camera and server
Connection status.
In video monitoring system, under normal circumstances, the video camera of front end will not independent operating, but according to
And the video information collected is uploaded onto the server by code stream request between server in real time.At this
In bright embodiment, video camera detects the request of server transmitted stream in real time, to obtain video camera and service
Connection status between device, it is judged that whether described video camera and server disconnect even.Here, described connection
State includes normally being connected and disconnected from connecting.When detecting that code stream is asked, represent video camera and server it
Between normally connect, perform step S103；When detecting that code stream is asked, represent video camera and server
Between disconnect, perform step S102.It should be noted that the video camera in the embodiment of the present invention continues
Ground, with the time interval detection server transmitted stream request specified, will not interrupt detecting code stream request.
In step s 102, if cannot detect when described code stream is asked, start video backup function, by institute
The video information obtained stores to the memorizer specified.
Here, when detecting that code stream is asked, i.e. cannot normally be connected between video camera with server,
Being in the state disconnected, the video information collected cannot be uploaded onto the server by video camera in real time.
Now, start the video backup function in video camera, the video information collected to be stored to specifying
In memorizer, in such as SD card.And returning step S101, synchronous detecting server transmitted stream is asked.
In step s 103, if the described code stream request that server sends being detected under video backup function
Time, the video information stored in described memorizer is uploaded to described server, so that described server
Described video information is added in the video file of disappearance.
When video camera receives the request of server transmitted stream under video backup function again, show to take the photograph
Can normally be connected between camera with server, then close video backup function, and will memorizer be stored
Video information be uploaded to described server.Server receives described video information, adds it to disappearance
In video file, thus ensure that integrity and the seriality of video file.
The embodiment of the present invention increases state-detection, backup functionality and functions of retransmission by concentrating on video camera,
Solve video information disappearance that existing video monitoring system causes due to network risks, video file imperfect
Problem, and without consider in the middle of network topology, significantly reduce the burden of the server of rear end, increase
Add the reliability of video monitoring system.
The promptness retransmitted for the burden and video that reduce the server of rear end further, as the present invention
A preferred exemplary, after video camera can be connected with server, by described video camera initiate retransmit merit
Energy.What Fig. 2 showed the backup method of the video information that another embodiment of the present invention provides realizes flow process.
Refering to Fig. 2, the backup method of described video information includes:
In step s 201, detection server transmitted stream request, to obtain between video camera and server
Connection status.
In step S202, if cannot detect when described code stream is asked, start video backup function, by institute
The video information obtained stores to the memorizer specified.
Wherein, step S201 and step S202 and step S101 described in Fig. 1 embodiment and step S102
Identical, specifically refer to the narration of above-described embodiment, do not repeating.After step S202, video camera
Continuing executing with step S201, synchronous detecting server transmitted stream is asked.
In step S203, if detecting under video backup function when server transmitted stream is asked, to
Described server sends the transmission request of video information.
In embodiments of the present invention, owing to being the connection between video camera side detection video camera and server
State, therefore when video camera detects that server transmitted stream is asked, connects between video camera and server
Connecing normal, now, then the initiation that transmits a request to sending video information to server by video camera retransmits,
Reduce the burden of the server of rear end, and improve the efficiency of re-transmission.
After server receives described transmission request, if desired disconnect the video information of period, then to institute
State video camera transmission and upload instruction information.
In step S204, upload instruction information when receiving described server according to what transmission request returned
Time, the video information in described memorizer is uploaded to described server, so that described server is by described
Video information is added in the video file of disappearance.
Here, video information is uploaded to described clothes by the instruction information of uploading that video camera returns according to server
In business device, described server receives described video information and is mended on the video file being put into disappearance, thus
Ensure that integrity and the seriality of video file.
As a preferred exemplary of the present invention, video camera is after starting video backup function, it is also possible to record
The disconnection time.What described server returned uploads the video file that can also include on server in instruction information
The missing time that middle lacked video information is corresponding.Described video camera obtains correspondence according to described missing time
Video information retransmits.Fig. 3 shows the backup method of the video information that another embodiment of the present invention provides
Realize flow process.
Refering to Fig. 3, described method includes:
In step S301, detection server transmitted stream request, to obtain between video camera and server
Connection status.
In step s 302, if cannot detect when described code stream is asked, start video backup function, by institute
The video information obtained stores to the memorizer specified.
Here, stored in which memory under described disconnection time and this video backup function regards
Frequently information is corresponding.
In step S303, acquired video information is stored to the memorizer specified.
Video camera continues executing with step S301, asks with synchronous detecting server transmitted stream.
In step s 304, if detecting under video backup function when server transmitted stream is asked, to
Described server sends the transmission request of video information.
In step S305, upload instruction letter when receiving described server according to what described transmission request returned
During breath, from described uploading, instruction information obtains the missing time of video file.
In step S306, according to described missing time and disconnection time, obtain described from described memorizer
Video information on missing time, and described video information is uploaded to described server, so that described clothes
Business device receives described video information and adds it on the missing time of video file.
Here, due to the video information that backed up during disconnection time and server and video camera disconnection one by one
Correspondence, by missing time and the disconnection time of comparison video file, to judge the video in described memorizer
Whether information exists the disappearance video of described video file.If existing, the most described missing time is contained in
In the described disconnection time, then obtain the video information on described missing time, and described video information is uploaded
To described server so that described server receives described video information the video information as disappearance
Benefit is put in video file, thus ensure that the integrity of video file, also ensure that the video information of re-transmission
For the disappearance video of video file, improve the accuracy of re-transmission.
Alternatively, in above-mentioned Fig. 1 to Fig. 3 any embodiment, the backup method of described video information also may be used
To include:
The video information uploaded in described memorizer is marked, the video information do not uploaded with differentiation.
Here, by the video information uploaded is marked, facilitate regarding that video camera is backed up
Frequently the management of information.
Should be understood that in embodiments of the present invention, the size of the sequence number of above-mentioned each process is not meant to perform suitable
The priority of sequence, the execution sequence of each process should determine with its function and internal logic, and should be unreal to the present invention
The implementation process executing example constitutes any restriction.
Fig. 4 shows the composition structure of the back-up device of the video information that the embodiment of the present invention provides, in order to just
In explanation, illustrate only the part relevant to the embodiment of the present invention.
In embodiments of the present invention, the back-up device of described video information is used for realizing above-mentioned Fig. 1 to Fig. 3 and appoints
The backup method of the video information described in one embodiment, can be built in software unit within video camera,
Hardware cell or the unit of software and hardware combining.Here, described video camera is additionally arranged video backup function,
And built-in SD card, the video information backed up for storage.
Refering to Fig. 4, described back-up device includes:
Detection module 41, is used for detecting the request of server transmitted stream, with obtain video camera and server it
Between connection status；
Backup module 42, if for detecting when described code stream is asked, starts video backup function, will
Acquired video information stores to the memorizer specified；
Upper transmission module 43, if for detecting the described code stream request that server sends under video backup function
Time, the video information stored in described memorizer is uploaded to described server, so that described server
Described video information is added in the video file of disappearance.
The embodiment of the present invention increases state-detection, backup functionality and functions of retransmission by concentrating on video camera,
Solve video information disappearance that existing video monitoring system causes due to network risks, video file imperfect
Problem, and without consider in the middle of network topology, significantly reduce the burden of the server of rear end, increase
Add the reliability of video monitoring system.
Further, for the promptness reducing the burden of the server of rear end and video retransmits, described on
Transmission module 43 can also include:
Request unit 431, if for detecting under video backup function when server transmitted stream is asked,
The transmission request of video information is sent to described server；
Uploading unit 432, for when receive described server according to transmission request return upload instruction letter
During breath, the video information in described memorizer is uploaded to described server, so that described server is by institute
State in the video file that video information adds disappearance to.
Further, in order to ensure the disappearance video that video information is video file retransmitted, re-transmission is improved
Accuracy, described backup module 42 is additionally operable to:
After starting video backup function, record the disconnection time；
Wherein, the video stored in which memory under described disconnection time and this video backup function
Information is corresponding.
Further, described uploading unit 432 specifically for:
When uploading instruction information of return is asked, from described according to described transmission when receiving described server
Pass the missing time obtaining video file in instruction information；
According to described missing time and disconnection time, from described memorizer, obtain regarding on described missing time
Frequently information, and described video information is uploaded to described server, so that regarding described in the reception of described server
Frequently information adding it on the missing time of video file.
Further, described back-up device also includes:
Mark module 44, for being marked the video information uploaded in described memorizer, to distinguish not
The video information uploaded.
Here, by the video information uploaded is marked, facilitate regarding that video camera is backed up
Frequently the management of information.
It should be noted that the device in the embodiment of the present invention may be used for realizing in said method embodiment
All technical schemes, the function of its each functional module can be concrete according to the method in said method embodiment
Realizing, it implements the associated description that process can refer in examples detailed above, and here is omitted.
In sum, the embodiment of the present invention by improve video camera, add in video camera state-detection,
Backup functionality and functions of retransmission, detect the request of server transmitted stream in real time by video camera, to obtain
Connection status between video camera and server；If cannot detect when described code stream is asked, then start video
Backup functionality, stores acquired video information to the memorizer specified；If under video backup function
When the described code stream request that server sends being detected, then in the video information that will be stored in described memorizer
Reach described server, so that described video information is added in the video file of disappearance by described server；
Thus solve video information disappearance that existing video monitoring system causes due to network risks, video file not
Complete problem, it is ensured that the seriality of the video file on the server of rear end and integrity, and reduce
The burden of server end.
Those of ordinary skill in the art are it is to be appreciated that combine respectively showing of the embodiments described herein description
The unit of example and algorithm steps, it is possible to come with the combination of electronic hardware or computer software and electronic hardware
Realize.These functions perform with hardware or software mode actually, depend on the application-specific of technical scheme
And design constraint.Each specifically should being used for can be used different methods to realize by professional and technical personnel
Described function, but this realization is it is not considered that beyond the scope of this invention.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, and foregoing description
Device and the specific works process of unit, be referred to the corresponding process in preceding method embodiment, at this
Repeat no more.
In several embodiments provided herein, it should be understood that the backup of disclosed video information
Method and device, can realize by another way.Such as, device embodiment described above is only
It is schematic, such as, described module, the division of unit, it is only a kind of logic function and divides, actual
Can have when realizing other dividing mode, the most multiple unit or assembly can in conjunction with or be desirably integrated into
Another system, or some features can ignore, or do not perform.Another point, shown or discussed is mutual
Between coupling direct-coupling or communication connection can be the indirect coupling by some interfaces, device or unit
Close or communication connection, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, as
The parts that unit shows can be or may not be physical location, i.e. may be located at a place, or
Can also be distributed on multiple NE.Can select therein some or all of according to the actual needs
Unit realizes the purpose of the present embodiment scheme.
It addition, each functional unit, module in each embodiment of the present invention can be integrated in one and process single
In unit, it is also possible to be that unit, module are individually physically present, it is also possible to two or more unit,
Module is integrated in a unit.
If described function realizes and as independent production marketing or use using the form of SFU software functional unit
Time, can be stored in a computer read/write memory medium.Based on such understanding, the skill of the present invention
Part that prior art is contributed by art scheme the most in other words or the part of this technical scheme can be with
The form of software product embodies, and this computer software product is stored in a storage medium, if including
Dry instruction is with so that a computer equipment (can be personal computer, server, or the network equipment
Deng) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium bag
Include: USB flash disk, portable hard drive, read only memory (ROM, Read-Only Memory), random access memory
Device (RAM, Random Access Memory), magnetic disc or CD etc. are various can store program code
Medium.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited to
This, any those familiar with the art, in the technical scope that the invention discloses, can readily occur in
Change or replacement, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should
Described it is as the criterion with scope of the claims.
Claims (10)
1. the backup method of a video information, it is characterised in that described backup method includes:
Detection server transmitted stream request, to obtain the connection status between video camera and server；
If cannot detect when described code stream is asked, start video backup function, by acquired video information
Store to the memorizer specified；
If the described code stream request that server sends detected under video backup function, by described memorizer
Middle stored video information is uploaded to described server, so that described video information is added by described server
It is added in the video file of disappearance.
2. the backup method of video information as claimed in claim 1, it is characterised in that if described at video
When the described code stream request that server sends being detected under backup functionality, by regarding of being stored in described memorizer
Frequently information is uploaded to described server, so that described server adds described video information the record of disappearance to
As file includes:
If detecting when server transmitted stream is asked under video backup function, send to described server
The transmission request of video information；
When uploading instruction information of return is asked according to transmission, by described memorizer when receiving described server
In video information be uploaded to described server, so that described video information is added to scarce by described server
In the video file lost.
3. the backup method of video information as claimed in claim 2, it is characterised in that video is standby starting
After part function, described backup method also includes:
The record disconnection time；
Wherein, the video stored in which memory under described disconnection time and this video backup function
Information is corresponding.
4. the backup method of video information as claimed in claim 3, it is characterised in that described when receiving
Described server is according to when uploading instruction information of transmission request return, by the video information in described memorizer
It is uploaded to described server, so that described server adds described video information the video file of disappearance to
Include:
When uploading instruction information of return is asked, from described according to described transmission when receiving described server
Pass the missing time obtaining video file in instruction information；
According to described missing time and disconnection time, from described memorizer, obtain regarding on described missing time
Frequently information, and described video information is uploaded to described server, so that regarding described in the reception of described server
Frequently information adding it on the missing time of video file.
5. the backup method of the video information as described in any one of Claims 1-4, it is characterised in that institute
State backup method also to include:
The video information uploaded in described memorizer is marked, the video information do not uploaded with differentiation.
6. the back-up device of a video information, it is characterised in that described back-up device includes:
Detection module, is used for detecting the request of server transmitted stream, to obtain between video camera and server
Connection status；
Backup module, if for detecting when described code stream is asked, starts video backup function, by institute
The video information obtained stores to the memorizer specified；
Upper transmission module, if being used for detecting under video backup function when the described code stream that server sends is asked,
The video information stored in described memorizer is uploaded to described server, so that described server is by institute
State in the video file that video information adds disappearance to.
7. the back-up device of video information as claimed in claim 6, it is characterised in that described upper transmission module
Including:
Request unit, if for detecting under video backup function when server transmitted stream is asked, to
Described server sends the transmission request of video information；
Uploading unit, for when receive described server according to transmission request return when uploading instruction information,
Video information in described memorizer is uploaded to described server, so that described server is by described video
Information is added in the video file of disappearance.
8. the back-up device of video information as claimed in claim 7, it is characterised in that described backup module
It is additionally operable to:
After starting video backup function, record the disconnection time；
Wherein, the video stored in which memory under described disconnection time and this video backup function
Information is corresponding.
9. the back-up device of video information as claimed in claim 8, it is characterised in that described uploading unit
Specifically for:
When uploading instruction information of return is asked, from described according to described transmission when receiving described server
Pass the missing time obtaining video file in instruction information；
According to described missing time and disconnection time, from described memorizer, obtain regarding on described missing time
Frequently information, and described video information is uploaded to described server, so that regarding described in the reception of described server
Frequently information adding it on the missing time of video file.
10. the back-up device of the video information as described in any one of claim 6 to 9, it is characterised in that
Described back-up device also includes:
Mark module, for being marked the video information uploaded in described memorizer, does not goes up to distinguish
The video information passed.
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| CN109257401A (en) * | 2017-07-14 | 2019-01-22 | 中兴通讯股份有限公司 | A kind of method and device of the power down process of video equipment |
| CN111405215A (en) * | 2019-09-03 | 2020-07-10 | 杭州海康威视***技术有限公司 | Video storage method and device, cloud server and storage medium |
| CN111131411A (en) * | 2019-12-06 | 2020-05-08 | 南京领行科技股份有限公司 | Server, vehicle terminal and offline media viewing method in Internet of vehicles |
| CN111131411B (en) * | 2019-12-06 | 2022-10-11 | 南京领行科技股份有限公司 | Server, vehicle terminal and offline media viewing method in Internet of vehicles |
| CN111432151A (en) * | 2020-01-20 | 2020-07-17 | 杭州海康威视数字技术股份有限公司 | Video data storage method, device, equipment and storage medium |
| CN111432151B (en) * | 2020-01-20 | 2022-08-23 | 杭州海康威视数字技术股份有限公司 | Video data storage method, device, equipment and storage medium |
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