CN106341663A - Video sharing method and apparatus - Google Patents
Video sharing method and apparatus Download PDFInfo
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- CN106341663A CN106341663A CN201610859022.2A CN201610859022A CN106341663A CN 106341663 A CN106341663 A CN 106341663A CN 201610859022 A CN201610859022 A CN 201610859022A CN 106341663 A CN106341663 A CN 106341663A
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
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- Information Transfer Between Computers (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention provides a video sharing method and apparatus. The method includes the following steps that: a server receives video sharing requests of users, and when the number of the received video sharing requests is larger than one, the lowest common multiple of the number of split screens in all the video sharing requests is calculated according to the number of split screens required by video display terminals in each video sharing request; the lowest common multiple and the video sharing requests are sent to a video acquisition device; after receiving the least common multiple, the video acquisition device segments acquired video images according to the least common multiple and codes sub-video images obtained after segmentation; and the coded sub-video images are transmitted according to the video sharing requests, the addresses of the video display terminals for video sharing and the number of split screens required by the video display terminals, and after the sub-video images are decoded, the corresponding video display terminals display the decoded sub-video images. With the above video sharing method and apparatus adopted, resource waste caused by repeated coding required by multi-user video sharing can be avoided.
Description
Technical field
The present invention relates to video information process field, in particular to a kind of video sharing method and device.
Background technology
With urban construction, video monitoring system is in urban security management, emergency event is disposed, crowded place monitors
Etc. aspect play more and more important effect.Image capture device (such as, fisheye camera) in video monitoring system is being adopted
Share it is provided that carrying out video to multiple video display terminals after collecting video information.Carrying out multiple video display terminals
When video is shared, need to carry out being separately encoded process according to the video sharing request of the video display terminal of different split screen numbers, then
Data after coding is individually sent, and is shown by video display terminal after the decoding.In said process, video capture device meeting
The video sharing request of the video display terminal of different split screen numbers is encoded respectively, repeated encoding can waste video acquisition and set
Standby resource, the performance of impact video capture device.
Content of the invention
In view of this, the purpose of the embodiment of the present invention is that the solution reception providing a kind of highly effective and safe efficiency again high is multiplex
Family operates the method and device of a video capture device simultaneously, to improve the video acquisition that repeated encoding in prior art brings
The waste of device coding performance.
The present invention first preferred embodiment provides a kind of video sharing method, is applied to video monitoring system, described regards
Frequency monitoring system includes server, video capture device and video display terminal, and methods described includes:
The video sharing request of described server receive user, described video sharing request includes the video of shared video
Split screen number needed for the address of display terminal and video display terminal；
When the quantity of the video sharing request in reception for the described server is more than one, according in each video sharing request
Split screen number needed for video display terminal is calculated the least common multiple of split screen number in all video sharing request；
Described least common multiple and described video sharing request are sent to described video capture device by described server；
Described video capture device after receiving described least common multiple, by collection video image according to described minimum
Common multiple is split, and the sub-video image obtaining after segmentation is encoded；
Described video capture device according to described video sharing request, according to the address of the video display terminal of shared video
And the split screen number needed for video display terminal, the sub-video image after coding is transmitted, and after the decoding by regarding accordingly
Frequency display terminal is shown.
The present invention second preferred embodiment provides a kind of video sharing method, is applied to and video capture device communication link
The server connecing, methods described includes:
The video sharing request of receive user, described video sharing request includes the video display terminal of shared video
Split screen number needed for address and video display terminal, wherein, described split screen number is taken advantage of using horizontal split screen number and vertical split screen number
Product representation；
When the quantity of the video sharing request receiving is more than one, according to video display in each video sharing request eventually
The required split screen number in end is calculated the least common multiple of split screen number in all video sharing request；
Described least common multiple and described video sharing request are sent to described video capture device, are adopted by described video
Collection equipment, after receiving described least common multiple, the video image of collection is split according to described least common multiple, and
The sub-video image obtaining after segmentation is encoded.Sub-video image after coding is shown eventually according to the video of shared video
Split screen number needed for the address at end and video display terminal is transmitted, and is carried out by corresponding video display terminal after the decoding
Display.
The present invention the 3rd preferred embodiment provides a kind of video sharing method, is applied to show eventually with server and video
The video capture device of end communication connection, methods described includes:
When the quantity receiving the video sharing request in receive user for the described server is more than one, by described server root
It is calculated split screen number in all video sharing request according to the split screen number needed for video display terminal in each video sharing request
Least common multiple.Wherein, described least common multiple adopts the product representation of horizontal least common multiple and vertical least common multiple.
Described horizontal least common multiple is the least common multiple of the horizontal split screen number of split screen number in the video sharing request receiving, described
Vertical least common multiple is the least common multiple of the vertical split screen number of split screen number in the video sharing request receiving；
The video image of collection is split according to described least common multiple, and to the sub-video image obtaining after segmentation
Encoded；
According to described video sharing request, according to address and the video display terminal institute of the video display terminal of shared video
The split screen number needing, the sub-video image after coding is transmitted, and is shown by corresponding video display terminal after the decoding
Show.
The present invention the 4th preferred embodiment provides a kind of video sharing means, is applied to and video capture device communication link
The server connecing, described device includes:
Respond module, for the video sharing request of receive user.Described video sharing request includes shared video
Split screen number needed for the address of video display terminal and video display terminal.Wherein, described split screen number adopt horizontal split screen number with
The product representation of vertical split screen number；
Computing module, for when the quantity of the video sharing request receiving is more than one, being shared according to each video please
The split screen number needed for video display terminal is asked to be calculated the least common multiple of split screen number in all video sharing request；
Output module, sets for described least common multiple and described video sharing request are sent to described video acquisition
Standby.By described video capture device after receiving described least common multiple, by the video image of collection according to described minimum public
Multiple is split, and the sub-video image obtaining after segmentation is encoded.By the sub-video image after coding according to shared
Split screen number needed for the address of the video display terminal of video and video display terminal is transmitted, and after the decoding by corresponding
Video display terminal is shown.
The present invention the 5th preferred embodiment provides a kind of video sharing means, is applied to show eventually with server and video
The video capture device of end communication connection, described device includes:
Receiver module, when the quantity for receiving the video sharing request in receive user for the described server is more than one,
All videos are calculated altogether by split screen number according to needed for video display terminal in each video sharing request for the described server
Enjoy the least common multiple of split screen number in request.Wherein, described least common multiple adopts horizontal least common multiple and vertically minimum public affairs
The product representation of multiple.Described horizontal least common multiple is the horizontal split screen number of the split screen number in the video sharing request receiving
Least common multiple, described vertical least common multiple is the minimum of the vertical split screen number of split screen number in the video sharing request receiving
Common multiple；
Image segmentation module, for being split the video image of collection, and to segmentation according to described least common multiple
The sub-video image obtaining afterwards is encoded；
Sending module, for according to described video sharing request, according to the video display terminal of shared video address and
Split screen number needed for video display terminal, the sub-video image after coding is transmitted, and after the decoding by corresponding video
Display terminal is shown.
For prior art, video sharing method provided in an embodiment of the present invention and device, server receive user
Video sharing request, when the video sharing request receiving is more than one, according to the split screen number meter in each video sharing request
Calculate the least common multiple of split screen number in all video sharing request.Video capture device is according to described least common multiple to video
Image is split, and sub-video image is encoded, then by the sub-video image after coding according in video sharing request
The address of video display terminal and video display terminal needed for split screen number be transmitted, and after the decoding by corresponding video
Display terminal is shown.Solve and need to carry out the wasting of resources that repeated encoding brings in multiple users share video.
For enabling the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be attached to use required in embodiment
Figure is briefly described it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, and it is right to be therefore not construed as
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is server provided in an embodiment of the present invention, video capture device and video display terminal communication schematic diagram.
Fig. 2 is the block diagram of server shown in Fig. 1.
Fig. 3 is the block diagram of video capture device shown in Fig. 1.
The schematic flow sheet of the video sharing method that Fig. 4 provides for first embodiment of the invention.
Fig. 5 is the schematic diagram being grouped using a kind of sub-video image provided in an embodiment of the present invention.
The schematic flow sheet of the video sharing method that Fig. 6 provides for second embodiment of the invention.
Fig. 7 is a kind of schematic flow sheet of the sub-step of step s420 in Fig. 6.
The schematic flow sheet of the video sharing method that Fig. 8 provides for third embodiment of the invention.
Fig. 9 is a kind of schematic flow sheet of the sub-step of step s530 in Fig. 8.
A kind of functional block diagram of the video sharing means that Figure 10 provides for fourth embodiment of the invention.
Another kind of functional block diagram of the video sharing means that Figure 11 provides for fourth embodiment of the invention.
A kind of functional block diagram of the video sharing means that Figure 12 provides for fifth embodiment of the invention.
Another kind of functional block diagram of the video sharing means that Figure 13 provides for fifth embodiment of the invention.
Icon: 100- server；110- first memory；120- first processor；130- first network module；200- regards
Frequency collecting device；210- second memory；220- second processing device；230- second mixed-media network modules mixed-media；240- camera；300- video
Display terminal；400- the first video sharing means；410- respond module；420- computing module；421- first calculating sub module；
422- second calculating sub module；423- the 3rd calculating sub module；430- output module；500- the second video sharing means；510-
Receiver module；520- image segmentation module；530- sending module；531- is grouped submodule；532- encapsulates submodule；533- is arranged
Submodule；534- sending submodule.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment a part of embodiment that is the present invention, rather than whole embodiments.Generally here
The assembly of the embodiment of the present invention described and illustrated in place's accompanying drawing can be arranged with various different configurations and design.Therefore,
Hereinafter the detailed description of the embodiments of the invention providing in the accompanying drawings is not intended to limit with the model of claimed invention
Enclose, but be merely representative of the selected embodiment of the present invention.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
There is the every other embodiment being obtained under the premise of making creative work, broadly fall into the scope of protection of the invention.
It should also be noted that similar label and letter expression similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then do not need it to be defined further and explains in subsequent accompanying drawing.Meanwhile, the present invention's
In description, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or hint relative importance.
Refer to Fig. 1, Fig. 1 is server 100, video capture device 200 and the video that present pre-ferred embodiments provide
The schematic diagram of display terminal 300 communication.Video capture device 200 in the embodiment of the present invention can be for obtaining video image
Any electronic installation (such as, panoramic camera).The video sharing request of server 100 receiving user's input, to video altogether
Enjoy request to be processed, and result is sent to video capture device 200.Video capture device 200 is according to the place receiving
Reason result carries out image procossing to video image, the video image after image procossing is sent to video display terminal 300 enterprising
Row display.
Refer to Fig. 2, Fig. 2 is the block diagram of the server 100 shown in Fig. 1 that present pre-ferred embodiments provide.
Described server 100 includes first memory 110, first processor 120, first network module 130.
Described first memory 110, first processor 120 and first network module 130 are direct or indirect each other
Ground is electrically connected with, to realize transmission or the interaction of data.For example, these elements each other can be total by one or more communication
Line or holding wire are realized being electrically connected with.Be stored with first memory 110 first video sharing means 400, described first video
Sharing means 400 include at least one and can be stored in described first memory 110 in the form of software or firmware (firmware)
In software function module, described first processor 120 pass through to run be stored in software program in first memory 110 and
The first video sharing means 400 in module, the such as embodiment of the present invention, thus execute various function application and data processing.
Wherein, described first memory 110 may be, but not limited to, random access memory (random access
Memory, ram), read-only storage (read only memory, rom), programmable read only memory (programmable
Read-only memory, prom), erasable read-only memory (erasable programmable read-only
Memory, eprom), electricallyerasable ROM (EEROM) (electric erasable programmable read-only
Memory, eeprom) etc..Wherein, first memory 110 is used for storage program, and described first processor 120 is receiving execution
After instruction, execute described program.Further, the software program in above-mentioned first memory 110 and module may also include behaviour
Make system, it may include various soft for management system task (such as memory management, storage device control, power management etc.)
Part assembly and/or driving, and mutually can communicate with various hardware or component software, thus providing the operation ring of other software assembly
Border.
Described first processor 120 is probably a kind of IC chip, has the disposal ability of signal.Above-mentioned first
Processor 120 can be general processor, at central processing unit (central processing unit, cpu), network
Reason device (network processor, np) etc..Can also be digital signal processor (dsp)), special IC (asic),
Field programmable gate array (fpga) or other PLDs, discrete gate or transistor logic, discrete hard
Part assembly.Can realize or execute disclosed each method in the embodiment of the present invention, step and logic diagram.General processor
Can be microprocessor or this processor can also be any conventional processor etc..
First network module 130 is used for setting up communication connection between server 100 and external communications terminals by network,
Realize the transmitting-receiving operation of network signal and data.Above-mentioned network signal may include wireless signal or wire signal.
It is appreciated that the structure shown in Fig. 2 is only illustrating, server 100 may also include more more than shown in Fig. 2 or more
Few assembly, or there are the configurations different from shown in Fig. 2.Each assembly shown in Fig. 2 can be using hardware, software or its group
Close and realize.
Refer to Fig. 3, Fig. 3 is that the square frame of the video capture device 200 shown in Fig. 1 that present pre-ferred embodiments provide shows
It is intended to.Described video capture device 200 includes second memory 210, second processing device 220, the second mixed-media network modules mixed-media 230, shooting
240.
Be stored with described second memory 210 second video sharing means 500, described second video sharing means 500
The software function in described second memory 210 can be stored in including at least one in the form of software or firmware (firmware)
Module.
Wherein, described second memory 210, second processing device 220 and the second mixed-media network modules mixed-media 230 and first in Fig. 2 are deposited
The hardware configuration of reservoir 110, first processor 120 and first network module 130 is identical, and here is just no longer introduced one by one.
Camera 240 is used for obtaining video or the image information of monitor area, and described camera 240 can be that panorama is taken the photograph
As head (such as, fish-eye camera).
First embodiment
Refer to Fig. 4, Fig. 4 is the flow chart of the video sharing method that first embodiment of the invention provides, methods described should
For video monitoring system, described video monitoring system includes server 100, video capture device 200 and video display terminal
300.Below video sharing method idiographic flow is described in detail.
Step s111, the video sharing request of server 100 receive user.
In the present embodiment, user by remote control or can run on answering on mobile terminal (such as, smart mobile phone)
With software (e.g., Server control software) input video sharing request.Described video sharing request includes regarding of shared video
Split screen number needed for the address of frequency display terminal 300 and video display terminal 300, wherein, split screen number adopts horizontal split screen number
Product representation with vertical split screen number.If video display terminal 300 is 2 × 2 Mosaic screen, in the case, video shows
The horizontal split screen number of terminal 300 and vertical split screen number are respectively 2.
Step s112, described server 100, when the quantity of the video sharing request receiving is more than one, regards according to each
In frequency sharing request, the split screen number needed for video display terminal 300 is calculated the minimum of split screen number in all video sharing request
Common multiple.
Described server 100 is receiving video sharing request, also the quantity of video sharing request is recorded.When described
When the video sharing request quantity that server 100 receives is more than one, according to each video in the video sharing request receiving
The horizontal split screen number of the split screen number in sharing request obtains the horizontal least common multiple of horizontal split screen number, is shared according to each video
The vertical split screen number of the split screen number in request obtains the vertical least common multiple of vertical split screen number.Using described horizontal least common multiple
The least common multiple of split screen number in product representation all videos sharing request of number and described vertical least common multiple.
Specifically, when such as user sends video sharing request based on video display terminal a, user is based on video and shows
Show that terminal b also sends video sharing request.If video display terminal a is the Mosaic screen of x (a) × y (a), video display terminal b
It is the Mosaic screen of x (b) × y (b), wherein, x (a) represents the horizontal split screen number of video display terminal a, y (a) represents that video shows
Show the vertical split screen number of terminal a, x (b) represents the horizontal split screen number of video display terminal b, y (b) represents video display terminal b's
Vertical split screen number.Described server 100 is calculated video display terminal according to video display terminal a and video display terminal b
The circular of the least common multiple of a, b split screen number is as follows.
N (a)=x (a) × y (a)
N (b)=x (b) × y (b)
N (ab)=[x (a), x (b)] × [y (a), y (b)]
Wherein, n (a) represents the split screen number of video display terminal a, and n (b) represents the split screen number of video display terminal b.[x
(a), x (b)] represent video display terminal a, b the horizontal split screen number of split screen number horizontal least common multiple, [y (a), y (b)]
Represent the vertical least common multiple of the vertical split screen number of split screen number of video display terminal a, b.N (ab) is expressed as video display eventually
The least common multiple [x (a), x (b)] of the horizontal split screen number of split screen number of end a, b and the least common multiple [y of vertical split screen number
(a), y (b)] product, n (ab) is the least common multiple of video display terminal a, b split screen number.
Step s113, described least common multiple and described video sharing request are sent to video and adopt by described server 100
Collection equipment 200.
Step s114, described video capture device 200 after receiving described least common multiple, will collection video image
Split according to described least common multiple, and the sub-video image obtaining after segmentation is encoded.
Next, in the form of son of illustrating, introduce how described video capture device 200 enters according to described least common multiple
Row image segmentation.
Assume have two video display terminals to need shared video information, described two video display terminals are respectively video and show
Show terminal a and video display terminal b.Wherein, the split screen number of video display terminal a is 2 × 2, the split screen number of video display terminal b
For 1 × 3, the minimum of video display terminal a, b split screen number can be calculated based on video display terminal a and video display terminal b
Common multiple n (ab)=2 × 6=12.
Described video capture device 200 video to collection according to described horizontal least common multiple and vertical least common multiple
Image carries out horizontal and vertical image segmentation.Specifically, the Video Image Segmentation gathering is 12 by described video capture device 200
Part, obtain 12 one's share of expenses for a joint undertaking video images, and 12 parts of sub-video image is encoded.
Step s115, described video capture device 200 shows according to described video sharing request, the video according to shared video
Show the split screen number needed for the address of terminal 300 and video display terminal 300, the sub-video image after coding is transmitted, and
Shown by corresponding video display terminal 300 after the decoding.
In the present embodiment, described video capture device 200 is according to described video sharing request, according to regarding of shared video
Split screen number needed for the address of frequency display terminal 300 and video display terminal 300, the sub-video image after coding is transmitted
Method specific as follows:
Sub-video image after encoding is carried out by packet according to the split screen number in video sharing request and obtains data flow.
Specifically, according to the horizontal split screen number in the split screen number in video sharing request and vertical split screen number to coding after
Sub-video image is grouped, and every group of sub-video image split screen in the position in collection image and described video sharing request exists
Position on described video display terminal 300 corresponds to.
Described data flow is packaged.
To the different five-tuple of data flow setting after encapsulation, wherein, described five-tuple includes source ip address, purpose ip ground
Location, source port, destination interface and transport layer protocol.
Data flow after setting is transmitted.
Illustrate below by specific example, refer to Fig. 5, Fig. 5 is using one kind provided in an embodiment of the present invention
The schematic diagram that sub-video image is grouped.Or with video display terminal a (n (a)=2 × 2) described above and video
As a example display terminal b (n (b)=1 × 3), described video capture device 200 is according to the split screen number of video display terminal a and split screen
The position in video display terminal a can by coding after 12 one's share of expenses for a joint undertaking video images be divided into (1,3,5), (2,4,6), (7,9,
11), 4 groups of (8,10,12).Described video capture device 200 shows in video according to the split screen number of video display terminal b and split screen
12 one's share of expenses for a joint undertaking video images after coding can be divided into (1,2,3,4), (5,6,7,8), (9,10,11,12) by the position in terminal b
3 groups.Respectively the data after above-mentioned packet is packaged, each group of sub-video image after encapsulation corresponds to one data flow.?
In encapsulation process, per share data flow is sent to transmission protocol layer and is packaged by described video capture device 200, such as rtp/
The agreements such as tcp.After the completion of encapsulation, sent encapsulating the data flow finishing by the second mixed-media network modules mixed-media 230.Data flow is point
Be not transmitted, the five-tuple of per share data flow is different, and wherein, five-tuple includes: source ip address, purpose ip address,
Source port, destination interface and transport layer protocol.Different five-tuples, can be used for distinguishing different data streams.
The data flow being sent to video display terminal 300 is shown by video display terminal 300 after the decoding.Specifically, with
As a example being sent to a group data stream (such as, (1,3,5)) of video display terminal a, described video capture device 200 is by same group
1,3,5 sub-video view data put in rtp/tcp protocol layer simultaneously.So when being decoded, just can restore
The video image picture of this 1/4 little split screen.And 4 bursts of data flows all carry out the decoding of little split screen in this manner, finally
It is spliced into the complete video image of a width.
Specifically, in above process, decoding can be completed by special decoding server, decoding server therein
Can be independently of server 100 and the hardware device of individualism it is also possible to real by the server 100 with decoding function
Existing；Decoding can also be realized by the video display terminal 300 with decoding function simultaneously.
If subsequently increase newly or reduce video sharing request, described server 100 will recalculate new split screen number
Amount.
In the present embodiment, if the video sharing request quantity that described server 100 receives is one, video is shared
The split screen number with horizontal split screen number and the product representation of vertical split screen number in request is sent to video capture device 200.Video
Collecting device 200 carries out segmentation according to horizontal split screen number and vertical split screen number to video image and obtains sub-video image, to each
Sub-video image is encoded, and the sub-video image after each coding corresponds to one data flow, after data flow is sent and decodes
Video display terminal 300 is shown.
Second embodiment
Refer to Fig. 6, the schematic flow sheet of the video sharing method that Fig. 6 provides for second embodiment of the invention.Described side
Method is applied to the server 100 with video capture device 200 communication connection.Below video sharing method idiographic flow is carried out in detail
Thin elaboration.
Step s410, the video sharing request of receive user.
In the present embodiment, video sharing request includes the address of video display terminal 300 and the video of shared video
Split screen number needed for display terminal 300, wherein, described split screen number adopts the product representation of horizontal split screen number and vertical split screen number.
Step s420, when the quantity of the video sharing request receiving is more than one, according in each video sharing request
Split screen number needed for video display terminal 300 is calculated the least common multiple of split screen number in all video sharing request.
Refer to Fig. 7, described step s420 includes sub-step s421, sub-step s422 and sub-step s421.
Described sub-step s421, obtains horizontal split screen according to the horizontal split screen number of the split screen number in each video sharing request
The horizontal least common multiple of number.
Described sub-step s422, obtains vertical split screen according to the vertical split screen number of the split screen number in each video sharing request
The vertical least common multiple of number.
Described sub-step s423, least common multiple adopts described horizontal least common multiple and described vertical least common multiple
Product representation.
Step s430, described least common multiple and described video sharing request are sent to video capture device 200.
In the present embodiment, described server 100 is by the product using horizontal least common multiple and vertical least common multiple
The least common multiple representing is sent to described video capture device 200.By described video capture device 200 described in receive
After little common multiple, the video image of collection is split according to described least common multiple, and to the sub-video obtaining after segmentation
Image is encoded, and the sub-video image after coding is shown according to the address of the video display terminal 300 of shared video and video
Show that the split screen number needed for terminal 300 is transmitted, and shown by corresponding video display terminal 300 after the decoding.
3rd embodiment
Refer to Fig. 8, the schematic flow sheet of the video sharing method that Fig. 8 provides for third embodiment of the invention.Described side
Method is applied to the video capture device 200 with server 100 and video display terminal 300 communication connection.Below video is shared
Method idiographic flow is described in detail.
Step s510, when the quantity receiving the video sharing request in receive user for the described server 100 is more than one, by
Split screen number according to needed for video display terminal 300 in each video sharing request for the described server 100 is calculated all regarding
The least common multiple of split screen number in frequency sharing request.
Wherein, described least common multiple adopts the product representation of horizontal least common multiple and vertical least common multiple.Described
Laterally least common multiple is the least common multiple of the horizontal split screen number of split screen number in the video sharing request receiving, described vertical
Least common multiple is the least common multiple of the vertical split screen number of split screen number in the video sharing request receiving.
Step s520, the video image of collection is split according to described least common multiple, and obtains to after segmentation
Sub-video image is encoded.
In the present embodiment, described step s520 is specific as follows: public according to described horizontal least common multiple and vertically minimum
Multiple carries out horizontal and vertical image segmentation to the video image of collection.
Step s530, according to described video sharing request, according to the address of the video display terminal 300 of shared video and regard
Split screen number needed for frequency display terminal 300, the sub-video image after coding is transmitted, and after the decoding by corresponding video
Display terminal 300 is shown.
Refer to Fig. 9, described step s530 includes sub-step s531, sub-step s532, sub-step s533 and sub-step
s534.
Sub-video image after encoding is grouped by described sub-step s531 according to the split screen number in video sharing request
Obtain data flow.
Specifically, video capture device 200 is according to the horizontal split screen number in the split screen number in video sharing request and vertical
Split screen number is grouped to the sub-video image after coding, position in collection image of every group of sub-video image and described video
In sharing request, position on described video display terminal 300 for the split screen corresponds to.
Described sub-step s532, described data flow is packaged.
Described sub-step s533, to the different five-tuple of data flow setting after encapsulation.Wherein, described five-tuple includes source ip
Address, purpose ip address, source port, destination interface and transport layer protocol.
Described sub-step s534, the data flow after setting is transmitted.
Fourth embodiment
Refer to Figure 10, Figure 10 is a kind of functional module frame of the video sharing means that fourth embodiment of the invention provides
Figure.First video sharing means 400 are applied to the server 100 with video capture device 200 communication connection.Described first video
Sharing means 400 include respond module 410, computing module 420 and output module 430.
Described respond module 410 is used for the video sharing request of receive user.Described video sharing request includes shared
Split screen number needed for the address of video display terminal 300 of video and video display terminal 300, wherein, described split screen number adopts
The laterally product representation of split screen number and vertical split screen number.
Described computing module 420 is used for when the quantity of the video sharing request receiving is more than one, according to each video
In sharing request, the split screen number needed for video display terminal 300 is calculated the minimum public affairs of split screen number in all video sharing request
Multiple.Specifically, refer to Figure 11, described computing module 420 may include that the first calculating sub module 421, second calculates submodule
Block 422 and the 3rd calculating sub module 423.
Described first calculating sub module 421 is used for being obtained according to the horizontal split screen number of the split screen number in each video sharing request
Horizontal least common multiple to horizontal split screen number.
Described second calculating sub module 422 is used for being obtained according to the vertical split screen number of the split screen number in each video sharing request
Vertical least common multiple to vertical split screen number.
Described 3rd calculating sub module 423 be used for by described least common multiple adopt described horizontal least common multiple with described
The product representation of vertical least common multiple.
Described output module 430, for being sent to described video by described least common multiple and described video sharing request
Collecting device 200.By described video capture device 200 after receiving described least common multiple, the video image of collection is pressed
Split according to described least common multiple.And the sub-video image obtaining after segmentation is encoded, by the sub-video after coding
Image is transmitted according to the split screen number needed for the address of the video display terminal 300 of shared video and video display terminal 300,
And shown by corresponding video display terminal 300 after the decoding.
5th embodiment
Refer to Figure 12, Figure 12 is a kind of functional module frame of the video sharing means that fifth embodiment of the invention provides
Figure.Second video sharing means 500 are applied to set with the video acquisition of server 100 and video display terminal 300 communication connection
Standby 200.Described second video sharing means 500 include receiver module 510, image segmentation module 520 and sending module 530.
Described receiver module 510, the quantity for receiving the video sharing request in receive user for the described server 100 is big
When one, calculated by split screen number according to needed for video display terminal 300 in each video sharing request for the described server 100
Obtain the least common multiple of split screen number in all video sharing request.Wherein, described least common multiple adopts horizontal least common multiple
Number and the product representation of vertical least common multiple.Described horizontal least common multiple is the split screen number in the video sharing request receiving
Horizontal split screen number least common multiple, described vertical least common multiple is the perpendicular of the split screen number in the video sharing request receiving
Least common multiple to split screen number.
Described image splits module 520, for the video image of collection is split according to described least common multiple, and
The sub-video image obtaining after segmentation is encoded.
In the present embodiment, described image segmentation module 520 is according to described horizontal least common multiple and vertical least common multiple
Several video images to collection carry out horizontal and vertical image segmentation.
Described sending module 530, for according to described video sharing request, according to the video display terminal of shared video
Split screen number needed for 300 address and video display terminal 300, the sub-video image after coding is passed through the second mixed-media network modules mixed-media
230 are transmitted, and are shown by corresponding video display terminal 300 after the decoding.
Refer to Figure 13, described sending module 530 may include that packet submodule 531, encapsulation submodule 532, setting
Module 533 and sending submodule 534.
Described packet submodule 531, for according to the split screen number in video sharing request by encode after sub-video image
Carry out packet and obtain data flow.
Specifically, described packet submodule 531, according to the horizontal split screen number in the split screen number in video sharing request and perpendicular
To split screen number, the sub-video image after coding is grouped, every group of sub-video image position in collection image is regarded with described
The position dividing in frequency sharing request on described video display terminal 300 corresponds to.
Described encapsulation submodule 532, for being packaged described data flow.
Described setting submodule 533, for the different five-tuple of data flow setting after encapsulation, described five-tuple includes source
Ip address, purpose ip address, source port, destination interface and transport layer protocol.
Described sending submodule 534, for being transmitted the data flow after setting.
In sum, video sharing method provided in an embodiment of the present invention and device, the video of server receive user is altogether
Enjoy request, when the video sharing request receiving is more than one, the split screen number in sharing according to each video calculates all regarding
The least common multiple of split screen number in frequency sharing request.Video capture device is carried out to video image point according to described least common multiple
Cut, and sub-video image is encoded, then the sub-video image after coding is shown according to the video in video sharing request
Split screen number needed for the address of terminal and video display terminal is transmitted, and is entered by corresponding video display terminal after the decoding
Row display.Solve and need to carry out the wasting of resources that repeated encoding brings in multiple users share video.
It should be understood that disclosed system and method in several embodiments that the embodiment of the present invention is provided, also may be used
To realize by another way.System and method embodiment described above is only schematically, for example, in accompanying drawing
Flow chart and block diagram show the system of multiple embodiments according to the present invention, the enabling of method and computer program product
Architectural framework, function and operation.At this point, each square frame in flow chart or block diagram can represent module, a program
Section or a part for code, a part for described module, program segment or code comprises one or more patrolling for realization regulation
Collect the executable instruction of function.It should also be noted that at some as the function of in the implementation replaced, being marked in square frame
Can be to occur different from the order being marked in accompanying drawing.For example, two continuous square frames can essentially be held substantially in parallel
OK, they can also execute sometimes in the opposite order, and this is depending on involved function.It is also noted that block diagram and/or
Each square frame in flow chart and the combination of the square frame in block diagram and/or flow chart, can be with the function of execution regulation or dynamic
The special hardware based system made is realizing, or can be realized with combining of computer instruction with specialized hardware.
In addition, each functional module in each embodiment of the present invention can integrate one independent portion of formation
Divide or modules individualism is it is also possible to two or more modules are integrated to form an independent part.
If described function realized using in the form of software function module and as independent production marketing or use when, permissible
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
Partly being embodied in the form of software product of part that prior art is contributed or this technical scheme, this meter
Calculation machine software product is stored in a storage medium, including some instructions with so that a computer equipment (can be individual
People's computer, electronic equipment, or network equipment etc.) execution each embodiment methods described of the present invention all or part step
Suddenly.
It should be noted that herein, term " inclusion ", "comprising" or its any other variant are intended to non-row
The comprising of his property, so that including a series of process of key elements, method, article or equipment not only include those key elements, and
And also include other key elements of being not expressly set out, or also include intrinsic for this process, method, article or equipment institute
Key element.In the absence of more restrictions, the key element being limited by sentence "including a ..." is it is not excluded that including institute
Also there is other identical element in process, method, article or the equipment of stating key element.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.It should also be noted that similar label and letter exist
Representing similar terms in figure below, therefore, once being defined in a certain Xiang Yi accompanying drawing, being then not required in subsequent accompanying drawing
It is defined further and to be explained.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should described be defined by scope of the claims.
Claims (10)
1. a kind of video sharing method, is applied to video monitoring system, and described video monitoring system includes server, video acquisition
Equipment and video display terminal are it is characterised in that methods described includes:
The video sharing request of described server receive user, the video that described video sharing request includes shared video shows
Split screen number needed for the address of terminal and video display terminal；
When the quantity of the video sharing request in reception for the described server is more than one, according to video in each video sharing request
Split screen number needed for display terminal is calculated the least common multiple of split screen number in all video sharing request；
Described least common multiple and described video sharing request are sent to described video capture device by described server；
Described video capture device after receiving described least common multiple, by collection video image according to described least common multiple
Number is split, and the sub-video image obtaining after segmentation is encoded；
Described video capture device according to described video sharing request, according to the address of the video display terminal of shared video and regard
Split screen number needed for frequency display terminal, the sub-video image after coding is transmitted, and is shown by corresponding video after the decoding
Show that terminal is shown.
2. a kind of video sharing method, is applied to the video capture device with server and video display terminal communication connection, its
It is characterised by, methods described includes:
When the quantity receiving the video sharing request in receive user for the described server is more than one, by described server according to every
In individual video sharing request, the split screen number needed for video display terminal is calculated in all video sharing request split screen number
Little common multiple, wherein, described least common multiple adopts the product representation of horizontal least common multiple and vertical least common multiple, described
Laterally least common multiple is the least common multiple of the horizontal split screen number of split screen number in the video sharing request receiving, described vertical
Least common multiple is the least common multiple of the vertical split screen number of split screen number in the video sharing request receiving；
The video image of collection is split according to described least common multiple, and the sub-video image obtaining after segmentation is carried out
Coding；
According to described video sharing request, according to needed for the address of the video display terminal of shared video and video display terminal
Split screen number, the sub-video image after coding is transmitted, and is shown by corresponding video display terminal after the decoding.
3. method according to claim 2 is it is characterised in that the described video image by collection is according to described least common multiple
The step that number is split includes:
Horizontal and vertical image is carried out to the video image of collection according to described horizontal least common multiple and vertical least common multiple
Segmentation.
4. method according to claim 2 it is characterised in that described according to described video sharing request, regard according to shared
Split screen number needed for the address of the video display terminal of frequency and video display terminal, the sub-video image after coding is transmitted
Step include:
Sub-video image after encoding is carried out by packet according to the split screen number in video sharing request and obtains data flow；
Described data flow is packaged；
To the different five-tuples of data flow setting after encapsulation, described five-tuple include source ip address, purpose ip address, source port,
Destination interface and transport layer protocol；
Data flow after setting is transmitted.
5. method according to claim 4 will be it is characterised in that the split screen number in the described sharing request according to video will encode
Sub-video image afterwards carries out being grouped and obtains the step of data flow and include:
According to the horizontal split screen number in the split screen number in video sharing request and vertical split screen number to the sub-video image after coding
It is grouped, every group of sub-video image split screen in the position in collection image and described video sharing request shows in described video
Show that the position in terminal corresponds to.
6. a kind of video sharing means, are applied to the server of video capture device communication connection it is characterised in that described dress
Put including:
Respond module, for the video sharing request of receive user, described video sharing request includes the video of shared video
Split screen number needed for the address of display terminal and video display terminal, wherein, described split screen number adopt horizontal split screen number with vertical
The product representation of split screen number；
Computing module, for when the quantity of the video sharing request receiving is more than one, according in each video sharing request
Split screen number needed for video display terminal is calculated the least common multiple of split screen number in all video sharing request；
Output module, for described least common multiple and described video sharing request are sent to described video capture device, by
Described video capture device, after receiving described least common multiple, the video image of collection is entered according to described least common multiple
Row segmentation, and the sub-video image obtaining after segmentation is encoded, by the sub-video image after coding according to shared video
Split screen number needed for the address of video display terminal and video display terminal is transmitted, and is shown by corresponding video after the decoding
Show that terminal is shown.
7. device according to claim 6 is it is characterised in that described computing module includes:
First calculating sub module, obtains horizontal split screen for the horizontal split screen number according to the split screen number in each video sharing request
The horizontal least common multiple of number；
Second calculating sub module, obtains vertical split screen for the vertical split screen number according to the split screen number in each video sharing request
The vertical least common multiple of number；
3rd calculating sub module, for adopting described horizontal least common multiple vertical minimum public with described described least common multiple
The product representation of multiple.
8. a kind of video sharing means, are applied to the video capture device with server and video display terminal communication connection, its
It is characterised by, described device includes:
Receiver module, when the quantity for receiving the video sharing request in receive user for the described server is more than one, by institute
State split screen number according to needed for video display terminal in each video sharing request for the server be calculated all videos share please
Seek the least common multiple of middle split screen number, wherein, described least common multiple adopts horizontal least common multiple and vertical least common multiple
Product representation, described horizontal least common multiple be receive video sharing request in the horizontal split screen number of split screen number minimum
Common multiple, described vertical least common multiple is the least common multiple of the vertical split screen number of split screen number in the video sharing request receiving
Number；
Image segmentation module, for being split the video image of collection according to described least common multiple, and obtains to after segmentation
To sub-video image encoded；
Sending module, for according to described video sharing request, according to address and the video of the video display terminal of shared video
Split screen number needed for display terminal, the sub-video image after coding is transmitted, and is shown by corresponding video after the decoding
Terminal is shown.
9. device according to claim 8 is it is characterised in that described sending module includes:
Packet submodule, obtains for the sub-video image after encoding being carried out packet according to the split screen number in video sharing request
Data flow；
Encapsulation submodule, for being packaged described data flow；
Setting submodule, for the different five-tuple of data flow setting after encapsulation, described five-tuple includes source ip address, purpose
Ip address, source port, destination interface and transport layer protocol；
Sending submodule, for being transmitted the data flow after setting.
10. device according to claim 9 it is characterised in that: described packet submodule be used for according to video sharing request
In split screen number in horizontal split screen number and vertical split screen number to coding after sub-video image be grouped, every group of sub-video figure
As the position in collection image is corresponding with the position dividing in described video sharing request on described video display terminal.
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