CN103873819B - The method and its system of video file quick playback in video monitoring - Google Patents
The method and its system of video file quick playback in video monitoring Download PDFInfo
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Abstract
The present invention relates to field of video monitoring, the method and its system of video file quick playback in a kind of video monitoring are disclosed.In the present invention, to specifying period automatic decile to be segmented, each section is played back simultaneously in multiple windows respectively, it is possible to achieve extensive video file is quickly browsed and played back, and accelerates replayed section.The key frame that client is fixed time to server middle finger in section makes requests on, decodes display, being capable of fast browsing video file, simultaneously after the period of a small range is assigned to, the temporally playback of multiwindow is carried out again, facilitate user's fast browsing video file, and the detailed playback in the specified period is carried out according to the result browsed.Client according to the real needs of user, can freely control the time segment limit of video file to be browsed and while carry out the split screen window number of multiwindow playback.
Description
Technical field
The present invention relates to field of video monitoring, video file quick playback technology more particularly in video monitoring.
Background technology
At present, in Video Surveillance Industry, the technology remotely played back mainly includes following several：
1st, digital hard disc video recorder is first logged in（Digital Video Recorder, referred to as " DVR "）, then search corresponding
Video file, the playback request of history code stream is then carried out according to video file name, is received and is decoded, shown after bit stream data
Show.
2nd, DVR is logged in, the playback request of correspondence history code stream is carried out according to the period, receives and is solved after bit stream data
Code, display.
In order to accelerate replay browsing speed, there is following technology 3：
3rd, after client and server are set up and be connected, video file is first searched, chooses and formulates video file, carried out crucial
The extraction of frame, is drawn into after key frame, is decoded, shown, Fig. 1 is the schematic flow sheet of technology 3.
Specifically, comprise the following steps：
In a step 101, client game server.
Then into step 102, client obtains the video file list in the time of specifying from server.
Then into step 103, client chooses the video file for needing to play from list, sends and obtains to server
The instruction of key frame.
Hereafter improve step 104, the key frame that client decoding display is sent from server.
Hereafter this flow is terminated.
Network video server（Digital Video Server, referred to as " DVS "）, digital video code is called, is
A kind of specialized network transmission equipment for compressing, handling audio, video data, is mainly to provide video compress or decompression function, completes figure
Collection or recovery as data etc..
It was found by the inventors of the present invention that above-mentioned technology 3, the fast browsing for single video file is improved, it can make
Client has quickly checked the frame of video of single video file.But for not good enough in the processing of high-volume data.
Therefore, a kind of quick playback technology for high-volume video file is lacked now.
The content of the invention
, can be with it is an object of the invention to provide the method and its system of video file quick playback in a kind of video monitoring
Realize that extensive video file is quickly browsed and played back, accelerate replayed section.
Quickly returned in order to solve the above technical problems, embodiments of the present invention disclose video file in a kind of video monitoring
The method put, comprises the following steps：
Client obtains n1 sub- periods to specifying the period to carry out n1 etc. points of segmentation automatically, and correspondingly in client
Hold and n1 split screen window is set in the playback window of display, wherein, n1 is positive integer, and n1 split screen window corresponds n1
The sub- period；
Client obtains each self-corresponding n1 sub- times of n1 split screen window by network attached server to server
First key frame in section；
The key frame that client the reception server is sent, decoding, and the sub- period according to belonging to the key frame, right
The split screen window answered is played back.
The system that embodiments of the present invention also disclose video file quick playback in a kind of video monitoring, including：Visitor
Family end and server, client and server are attached by network；
Client, for specifying the period to carry out n1 etc. points of segmentation automatically, obtaining n1 sub- periods, and correspondingly exist
N1 split screen window is set in the playback window of client Display, wherein, n1 is positive integer, and n1 split screen window is corresponded
N1 sub- periods；
Client, is additionally operable to by network attached server, and each self-corresponding n1 of n1 split screen window is obtained to server
First key frame in the individual sub- period；
Client, is additionally operable to the key frame that the reception server is sent, decoding, and the sub- time according to belonging to the key frame
Section, is played back in corresponding split screen window.
Compared with prior art, the main distinction and its effect are embodiment of the present invention：
To specifying period automatic decile segmentation, each section plays back simultaneously in multiple windows respectively, it is possible to achieve extensive
Video file is quickly browsed and played back, and accelerates replayed section.
Further, the key frame that client is fixed time to server middle finger in section makes requests on, decodes display, can be fast
Speed browses video file, at the same after the period of a small range is assigned to, then the temporally playback of multiwindow is carried out, it is convenient to use
Family fast browsing video file, and the detailed playback in the specified period is carried out according to the result browsed.
Further, client can freely control the period of video file to be browsed according to the real needs of user
Scope and the split screen window number for carrying out multiwindow playback simultaneously.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet of the method for video file quick playback of prior art China；
Fig. 2 is that the flow of a kind of method of video file quick playback in video monitoring in first embodiment of the invention is shown
It is intended to；
Fig. 3 is that the flow of a kind of method of video file quick playback in video monitoring in first embodiment of the invention is shown
It is intended to；
Fig. 4 is that the flow of a kind of method of video file quick playback in video monitoring in first embodiment of the invention is shown
It is intended to；
Fig. 5 is that a kind of structure of the system of video file quick playback in video monitoring in second embodiment of the invention is shown
It is intended to.
Embodiment
In the following description, in order that reader more fully understands the application and proposes many ins and outs.But, this
Even if the those of ordinary skill in field is appreciated that many variations without these ins and outs and based on following embodiment
And modification, each claim of the application technical scheme claimed can also be realized.
To make the object, technical solutions and advantages of the present invention clearer, the implementation below in conjunction with accompanying drawing to the present invention
Mode is described in further detail.
First embodiment of the invention is related to a kind of method of video file quick playback in video monitoring.Fig. 2 is that this is regarded
The schematic flow sheet of the method for video file quick playback during frequency is monitored.
Specifically, as shown in Fig. 2 the method for video file quick playback comprises the following steps in the video monitoring：
In step 201, client obtains n1 sub- periods to specifying the period to carry out n1 etc. points of segmentation automatically.
Preferably, n1 here is set in advance, can be inputted before each playback by user by input unit.
Client according to the real needs of user, can freely control the time segment limit and simultaneously of video file to be browsed
Carry out the split screen window number of multiwindow playback.
Then into step 202, n1 split screen window is set in the playback window of client Display.
Client obtains n1 sub- periods to specifying the period to carry out n1 etc. points of segmentation automatically, and correspondingly in client
Hold and n1 split screen window is set in the playback window of display, wherein, n1 is positive integer, and n1 split screen window corresponds n1
The sub- period.
Then into step 203, client obtains n1 split screen window each by network attached server to server
First key frame in corresponding n1 sub- periods.
Then into step 204, the key frame that client the reception server is sent.
Then into step 205, decoding, and the sub- period according to belonging to the key frame, enter in corresponding split screen window
Row playback.
The key frame that client the reception server is sent, decoding, and the sub- period according to belonging to the key frame, right
The split screen window answered is played back.
Hereafter this flow is terminated.
To specifying period automatic decile segmentation, each section plays back simultaneously in multiple windows respectively, it is possible to achieve extensive
Video file is quickly browsed and played back, and accelerates replayed section.
Further, the key frame that server is sent is received in client, decoded, and the son according to belonging to the key frame
It is period, after the step of corresponding split screen window is played back, i.e., further comprising the steps of after above-mentioned steps 205：
Client receives the instruction from input unit, one is selected in n1 sub- periods, again automatically to the quilt
The sub- period chosen carries out n2 etc. points of segmentation, obtains n2 sub- periods, and correspondingly in the playback window of client Display
N2 split screen window is set in mouthful, wherein, n2 is positive integer, and n2 split screen window corresponds n2 sub- periods.
User end to server obtains first key frame in each self-corresponding n2 sub- periods of n2 split screen window.
The key frame that client the reception server is sent, decoding, and the sub- period according to belonging to the key frame, right
The split screen window answered is played back.
Preferably, n2 here be also it is set in advance, can be defeated by input unit by user before each playback
Enter.
Client according to the real needs of user, can freely control the time segment limit and simultaneously of video file to be browsed
Carry out the split screen window number of multiwindow playback.
Preferably, it is daily to be minimum single in the step of client is to specifying the period to carry out n1 etc. points of segmentation automatically
What position was segmented；The instruction from input unit is received in client, one is selected in n1 sub- periods, again automatically
In the step of carrying out n2 etc. points of segmentation to the selected sub- period, it is segmented by the hour for least unit.
Certainly, this is a kind of preferred mode, in other embodiments, can also be according to actual needs according to it
Its mode is segmented.
In some other embodiments of the present invention, client receives the instruction from input unit, in the n2 period of the day from 11 p.m. to 1 a.m
Between one is selected in section, n3 etc. points of segmentation is carried out to the selected sub- period automatically again, n3 sub- periods are obtained,
So, the content that can be played back to some window interested in n2 split screen window, is yet further segmented,
And played back simultaneously in split screen window.
The rest may be inferred, according to the above method, unrestrictedly some sub- period segmentation can be gone down, is accurate to smaller
Chronomere in, carry out split screen simultaneously and play back video file in the chronomere.In this way, client can be according to client's
Real needs, freely control the time segment limit of video file to be browsed.
The key frame that client is fixed time to server middle finger in section makes requests on, decodes display, being capable of fast browsing record
As file, at the same after the period of a small range is assigned to, then the temporally playback of multiwindow is carried out, facilitate user quickly clear
Look at video file, and carried out according to the result browsed specifying the detailed playback in the period.
Below, further it is set forth in the method for above-mentioned video file quick playback.
First, client sends to server by network attached server and obtains some control point specified time point
The order of key frame（Including the scope at specified time point, whether there is video file some day if desired for inquiry, then time point
Scope be 24 hours）, server, which is received, searches in corresponding time range whether have video file after order, if so, then
A nearest key frame after to client layback this time point；If it is not, direct feedback search result.Client
Obtain after key frame, carry out decoding and show, if it is not, the window that the picture of display " no video file " is at the appointed time put
Mouthful, flow is as shown in figure 3, mainly include the following steps that：
In step 301, client connection server.
Then into step 302, user end to server obtains key frame, and formulates time point, and time range.
Then into step 303, server is received after order, since specified time point, carries out the lookup of key frame.
Then into step 304, server returns to first key frame found.
Then into step 305, client receives server and sends back the key frame come, is decoded, shown.
Hereafter this flow is terminated.
According to the method described above, the scope at specified time point is first set to day and obtained by client, whether draws specified day
There is video file；Carry out whether quick display is interior per hour by the hour has video file the reselection date interested；Again to one
Individual hour is divided into some sections, and video recording has been displayed whether on the window at the appointed time put, and decoding shows key frame if having；
Then client carries out video file playback temporally according to the period again to showing on the specified window of video file
Request, the playback of multiwindow is carried out to the video file of each period simultaneously.
Idiographic flow is as shown in figure 4, specifically, comprise the following steps：
In step 401, client carries out split screen, and split screen number is n1, carries out multiwindow playback.
Then into step 402, client specifies the good corresponding date for the window of each split screen, from server acquisition pair
First key frame on date is answered, carrying out decoding in correspondence split screen window shows.
Then into step 403, on the client selected date being concerned about, split screen is carried out again, split screen number is n2.
Then into step 404, client carried out n2 deciles to 24 hours of the selected date, obtained each from server
First key frame in the time segments such as n2, carries out decoding in corresponding window and shows.
Then into step 405, client selectes some to be browsed 24/n2 periods, split screen, split screen number is carried out again
For n3, and so on.
Then into step 406, client according to split screen number and the corresponding time segment limit of each split screen window, while to
Server carries out the temporally playback request of each window, obtains progress decoding after bit stream data and shows.
Hereafter this flow is terminated.
In this way, client can according to client real needs, freely control the time segment limit of video file to be browsed.
The key frame that this method is fixed time by client to server middle finger in section makes requests on, decodes display, can
Fast browsing video file, while after the period of a small range is assigned to, then carries out the temporally playback of multiwindow, can be with
Realize that extensive video file selectively carries out fast browsing, playback, facilitate user for fast browsing video file, and
Carried out specifying the detailed playback in the period according to the result browsed.
Can split specified period multi-screen and meanwhile show, can be while obtaining multiple different key frames in multiple split screens
Window carries out decoding and shown.
The each method embodiment of the present invention can be realized with modes such as software, hardware, firmwares.No matter the present invention be with
Software, hardware or firmware mode realize that instruction code may be stored in the addressable memory of any kind of computer
In（It is for example permanent or revisable, it is volatibility or non-volatile, it is solid-state or non-solid, it is fixed or
Replaceable medium of person etc.）.Equally, memory may, for example, be programmable logic array（Programmable Array
Logic, referred to as " PAL "）, random access memory（Random Access Memory, referred to as " RAM "）, programmable read-only deposit
Reservoir（Programmable Read Only Memory, referred to as " PROM "）, read-only storage（Read-Only Memory, letter
Claim " ROM "）, Electrically Erasable Read Only Memory（Electrically Erasable Programmable ROM, referred to as
“EEPROM”）, disk, CD, digital versatile disc（Digital Versatile Disc, referred to as " DVD "）Etc..
The system that second embodiment of the invention is related to video file quick playback in a kind of video monitoring.Fig. 5 is that this is regarded
The structural representation of the system of video file quick playback during frequency is monitored.
Specifically, as shown in figure 5, the system of video file quick playback includes in the video monitoring：Client kimonos
Business device, client and server is attached by network；
Client, for specifying the period to carry out n1 etc. points of segmentation automatically, obtaining n1 sub- periods, and correspondingly exist
N1 split screen window is set in the playback window of client Display, wherein, n1 is positive integer, and n1 split screen window is corresponded
N1 sub- periods.
Preferably, n1 here is set in advance, can be inputted before each playback by user by input unit.
Client according to the real needs of user, can freely control the time segment limit and simultaneously of video file to be browsed
Carry out the split screen window number of multiwindow playback.
Client, is additionally operable to by network attached server, and each self-corresponding n1 of n1 split screen window is obtained to server
First key frame in the individual sub- period.
Client, is additionally operable to the key frame that the reception server is sent, decoding, and the sub- time according to belonging to the key frame
Section, is played back in corresponding split screen window.
Client, is additionally operable to receive the instruction from input unit, one is selected in n1 sub- periods, again automatically
N2 etc. points of segmentation is carried out to the selected sub- period, n2 sub- periods are obtained, and correspondingly in client Display
N2 split screen window is set in playback window, wherein, n2 is positive integer, and n2 split screen window corresponds n2 sub- periods.
Preferably, n2 here be also it is set in advance, can be defeated by input unit by user before each playback
Enter.
Client according to the real needs of user, can freely control the time segment limit and simultaneously of video file to be browsed
Carry out the split screen window number of multiwindow playback.
Client, is additionally operable to obtain first in each self-corresponding n2 sub- periods of n2 split screen window to server
Key frame.
Client, is additionally operable to the key frame that the reception server is sent, decoding, and the sub- time according to belonging to the key frame
Section, is played back in corresponding split screen window.
Preferably, client is to be daily least unit to specifying the period to carry out n1 etc. points of segmentation automatically.
Client is to carry out n2 etc. points of segmentation to the selected sub- period automatically by the hour for least unit.
Certainly, this is a kind of preferred mode, in other embodiments, can also be according to actual needs according to it
Its mode is segmented.
In some other embodiments of the present invention, client receives the instruction from input unit, in the n2 period of the day from 11 p.m. to 1 a.m
Between one is selected in section, n3 etc. points of segmentation is carried out to the selected sub- period automatically again, n3 sub- periods are obtained,
So, the content that can be played back to some window interested in n2 split screen window, is yet further segmented,
And played back simultaneously in split screen window.
The rest may be inferred, according to the above method, unrestrictedly some sub- period segmentation can be gone down, is accurate to smaller
Chronomere in, carry out split screen simultaneously and play back video file in the chronomere.In this way, client can be according to client's
Real needs, freely control the time segment limit of video file to be browsed.
The key frame that client is fixed time to server middle finger in section makes requests on, decodes display, being capable of fast browsing record
As file, at the same after the period of a small range is assigned to, then the temporally playback of multiwindow is carried out, facilitate user quickly clear
Look at video file, and carried out according to the result browsed specifying the detailed playback in the period.
First embodiment is the method embodiment corresponding with present embodiment, and present embodiment can be implemented with first
Mode is worked in coordination implementation.The relevant technical details mentioned in first embodiment are still effective in the present embodiment, in order to
Reduce and repeat, repeat no more here.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in the first implementation
In mode.
It should be noted that each unit mentioned in each system embodiment of the invention is all logic unit, physically,
One logic unit can be a part for a physical location or a physical location, can also be with multiple physics
The combination of unit realizes that the Physical realization of these logic units in itself is not most important, and these logic units institute is real
The combination of existing function is only the key for solving technical problem proposed by the invention.In addition, the innovation in order to protrude the present invention
Part, the above-mentioned each system embodiment of the present invention not by with to solve technical problem relation proposed by the invention less close
Unit introduce, this is not intended that said system embodiment and in the absence of other units.
It should be noted that in the claim and specification of this patent, such as first and second or the like relation
Term is used merely to make a distinction an entity or operation with another entity or operation, and not necessarily requires or imply
There is any this actual relation or order between these entities or operation.Moreover, term " comprising ", "comprising" or its
Any other variant is intended to including for nonexcludability so that process, method, article including a series of key elements or
Equipment not only includes those key elements, but also other key elements including being not expressly set out, or also include be this process,
Method, article or the intrinsic key element of equipment.In the absence of more restrictions, by wanting that sentence " including one " is limited
Element, it is not excluded that also there is other identical element in the process including the key element, method, article or equipment.
Although by referring to some of the preferred embodiment of the invention, being shown and described to the present invention,
It will be understood by those skilled in the art that can to it, various changes can be made in the form and details, without departing from this hair
Bright spirit and scope.
Claims (10)
1. a kind of method of video file quick playback in video monitoring, it is characterised in that comprise the following steps：
Client obtains n1 sub- periods to specifying the period to carry out n1 etc. points of segmentation automatically, and correspondingly aobvious in client
Show n1 split screen window of setting in the playback window of device, wherein, n1 is positive integer, and n1 split screen window corresponds the n1 period of the day from 11 p.m. to 1 a.m
Between section；
Client is obtained in each self-corresponding n1 sub- periods of n1 split screen window by network attached server to server
First key frame；
The key frame that client the reception server is sent, decoding, and the sub- period according to belonging to the key frame, corresponding
Split screen window is played back simultaneously.
2. the method for video file quick playback in video monitoring according to claim 1, it is characterised in that in the visitor
Family end receives the key frame that server is sent, decoding, and the sub- period according to belonging to the key frame, in corresponding split screen window
It is further comprising the steps of the step of mouth is played back simultaneously after：
Client receives the instruction from input unit, and one is selected in n1 sub- periods, automatically selected to this again
The sub- period carry out n2 etc. points of segmentations, obtain n2 sub- periods, and correspondingly in the playback window of client Display
N2 split screen window is set, wherein, n2 is positive integer, and n2 split screen window corresponds n2 sub- periods；
User end to server obtains first key frame in each self-corresponding n2 sub- periods of n2 split screen window；
The key frame that client the reception server is sent, decoding, and the sub- period according to belonging to the key frame, corresponding
Split screen window is played back simultaneously.
3. the method for video file quick playback in video monitoring according to claim 2, it is characterised in that the split screen
Window number n1 and n2 are set in advance.
4. the method for video file quick playback in video monitoring according to claim 3, it is characterised in that in the visitor
Family end is daily segmented to specifying the period to carry out automatically in the step of n1 etc. is segmented for least unit；
The instruction from input unit is received in the client, one is selected in n1 sub- periods, again automatically to this
In the step of selected sub- period carries out n2 etc. points of segmentation, it is segmented by the hour for least unit.
5. the method for video file quick playback in video monitoring according to claim 4, it is characterised in that the split screen
Window number n1 and n2 are before each playback, to be inputted by user by input unit.
6. the system of video file quick playback in a kind of video monitoring, it is characterised in that including：Client and server, visitor
Family end and server are attached by network；
The client, for specifying the period to carry out n1 etc. points of segmentation automatically, obtaining n1 sub- periods, and correspondingly exist
N1 split screen window is set in the playback window of client Display, wherein, n1 is positive integer, and n1 split screen window is corresponded
N1 sub- periods；
The client, is additionally operable to by network attached server, and each self-corresponding n1 of n1 split screen window is obtained to server
First key frame in the individual sub- period；
The client, is additionally operable to the key frame that the reception server is sent, decoding, and the sub- time according to belonging to the key frame
Section, is played back simultaneously in corresponding split screen window.
7. the system of video file quick playback in video monitoring according to claim 6, it is characterised in that the client
End, is additionally operable to receive the instruction from input unit, selection one, automatically selected to this again in n1 sub- periods
The sub- period carries out n2 etc. points of segmentation, obtains n2 sub- periods, and correspondingly set in the playback window of client Display
N2 split screen window is put, wherein, n2 is positive integer, and n2 split screen window corresponds n2 sub- periods；
The client, is additionally operable to obtain first in each self-corresponding n2 sub- periods of n2 split screen window to server
Key frame；
The client, is additionally operable to the key frame that the reception server is sent, decoding, and the sub- time according to belonging to the key frame
Section, is played back simultaneously in corresponding split screen window.
8. the system of video file quick playback in video monitoring according to claim 7, it is characterised in that the split screen
Window number n1 and n2 are set in advance.
9. the system of video file quick playback in video monitoring according to claim 8, it is characterised in that the client
End is to be daily least unit to specifying the period to carry out n1 etc. points of segmentation automatically；
The client is to carry out n2 etc. points of segmentation to the selected sub- period automatically by the hour for least unit.
10. the system of video file quick playback in video monitoring according to claim 9, it is characterised in that described point
Screen window number n1 and n2 are before each playback, to be inputted by user by input unit.
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| CN108337546B (en) * | 2017-01-20 | 2020-08-28 | 杭州海康威视数字技术股份有限公司 | Target object display method and device |
| CN110971857B (en) * | 2018-09-28 | 2021-04-27 | 杭州海康威视系统技术有限公司 | Video playback method and device and computer readable storage medium |
| CN111526413A (en) * | 2020-04-29 | 2020-08-11 | 江苏加信智慧大数据研究院有限公司 | Course video playback system and playback method |
| CN114095668A (en) * | 2021-10-08 | 2022-02-25 | 深圳市景阳科技股份有限公司 | Video playing method, device, equipment and computer storage medium |
| CN114845076B (en) * | 2022-03-25 | 2024-07-26 | 宜通世纪科技股份有限公司 | Video data processing method, system, equipment and medium |
| CN114979763A (en) * | 2022-04-13 | 2022-08-30 | 深圳市有为信息技术发展有限公司 | Playing control method and device during video playback and video playback system |
| CN114827680A (en) * | 2022-04-21 | 2022-07-29 | 上海艺赛旗软件股份有限公司 | Multi-channel video synchronous playing method, system, equipment and storage medium |
| CN117857857A (en) * | 2024-01-10 | 2024-04-09 | 北京远景视点科技有限公司 | Vehicle maintenance video playing method and device, server, electronic equipment and storage medium |
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