CN106131693A - A kind of modular transmission of video Play System and method - Google Patents
A kind of modular transmission of video Play System and method Download PDFInfo
- Publication number
- CN106131693A CN106131693A CN201610705739.1A CN201610705739A CN106131693A CN 106131693 A CN106131693 A CN 106131693A CN 201610705739 A CN201610705739 A CN 201610705739A CN 106131693 A CN106131693 A CN 106131693A
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- China
- Prior art keywords
- video
- server
- module
- client
- compression
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/4728—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for selecting a Region Of Interest [ROI], e.g. for requesting a higher resolution version of a selected region
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234363—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the spatial resolution, e.g. for clients with a lower screen resolution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
Abstract
The invention discloses a kind of modular transmission of video Play System and method, including the server and client side connected by network.Client obtains the focal coordinates of user and is sent to server；Receive multiple video module and compression video, by multiple video modules with compress after after video play simultaneously.Server receives the focal coordinates that client sends；Video is cut into multiple video module, according to focal coordinates, client is sent designated module；Compression video resolution.Advantage is, with the relatively low whole picture transmission of resolution and is play by video, can be greatly saved network bandwidth resources.Simultaneously according to user interest focus, adjust partial picture in real time, by higher for resolution picture exhibition to user's eye place of arrival.Ensure that the visual focus of user the most where moves, the former HD video details picture at respective regions can be watched.Modularity HD video effectively reduces hardware requirement, reduces equipment cost and transmission bandwidth.
Description
Technical field
The present invention relates to a kind of transmission of video Play System, particularly relate to a kind of effective minimizing HD video occupied bandwidth
Modular video transmission Play System.
The present invention relates to a kind of transmission of video player method simultaneously, particularly relate to a kind of HD video that effectively reduces and take band
Wide modular video transmission player method.
Background technology
At present HD video is using 720P as basic demand, in actual application, HD video be up to 1080P,
The ultrahigh resolution of 1080I, 720P, even up to 4k, 8k.With 1080P resolution, as a example by the duration HD video of two hours,
Even if with the capacity H.265 compressing also up to 4G of high compression.But use regarding of high compression ratio to improve efficiency of transmission
Frequently, the inevasible situation that serious distortion occurs at broadcasting end.And directly transmit the video of former HD video or low reduction,
It is necessary for taking the great network bandwidth, so network resource building is caused significant cost.And for netcast high definition
For video, network transfer speeds is bottleneck all the time.Present video compression technology develops rapidly, and has been achieved with the least achievement.
If but to retain all of clear details of whole picture, video file would remain very big, is difficult in transmission over networks high
The video of resolution.Great many of experiments shows that human eye can only see the content in 1 ~ 2 degree of the visual field, and peripheral visual field imaging is fuzzy.
As a example by the 4k ultra-high definition displays of 28 cun of 16:9, being sitting at 80cm, the region that can see clearly only has about about 30,000 pixels, and
4k can show 8,000,000 pixels simultaneously, has 99% to be wasted.
Summary of the invention
In order to solve above-mentioned technical problem, present invention aim at providing a kind of modular transmission of video Play System and
Method, can utilize biotechnology selective local to transmit HD video on the basis of not reducing Consumer's Experience.
One of the present invention modular transmission of video Play System, it is characterised in that including: client and service
Device；
Described client, for obtaining the focal coordinates of user and being sent to server；Receive multiple the regarding of server transmission
Frequency module and compression resolution after video, and according to each video module coordinate by multiple video modules with compression after after video
Play simultaneously；
Described server, for receiving the focal coordinates that client sends；Video is cut into multiple video module, according to Jiao
Point coordinates sends designated module to client；Transmission of video after compressing video resolution and compressing is to client；
Described client and server is connected by network.
The transmission of video player method of a kind of compound-resolution of the present invention, it is characterised in that comprise the following steps:
S1, by video resolution compress；
S2, video is cut into multiple video module；
S3, seizure user's sight line focus；
S4, by the video module in focal coordinates certain radius with compression after video play simultaneously.
System and method advantage of the present invention is, with the relatively low whole picture transmission of resolution and is play by video,
Network bandwidth resources can be greatly saved.Simultaneously according to user interest focus, adjust partial picture in real time, resolution is higher
Picture exhibition is to user's eye place of arrival.Ensure that the visual focus of user the most where moves, can watch former
HD video is at the details picture of respective regions.And the picture beyond user's visual focus, physiology principle is to obtain by remaining light, because of
This does not interferes with the experience effect of user with the video pictures of low resolution.During transmission of video and broadcasting, far-end
Server and client side broadcasts the video data process computing for high definition to become to be multiple times than the video data computing that resolution is lower,
Therefore, local transmission HD video highly effective reduction hardware requirement, reduces equipment cost, reduces the requirement of transmission bandwidth.
Wherein said client includes:
Focus capture unit, for catching the sight line focal coordinates of user；
Broadcast unit, the video after multiple video modules and compression of Play Server transmission simultaneously；
Client transmissions unit, for carrying out communication transfer with server.
The standard resolution of described broadcast unit detection player, sends standard resolution to server, server
According to standard resolution, video is compressed.
Described client also includes buffer cell, and described buffer cell is by the multiple video modules received and compression
After video buffer storage, when multiple video modules with compress rear video vertical correction signal consistent time, by multiple video screen module
Video after block and compression is delivered simultaneously to broadcast unit.
Described focus capture unit obtains the translational speed of focus, and buffer cell buffers focus in advance according to translational speed
The video module that mobile trend is corresponding.
Described server arranges frame number to the frame in each video module after cutting video module, with for the moment
Engrave frame number all one_to_one corresponding of all video modules；First to each video module before buffer cell detection vertical correction signal
Verify one to one with the frame number of compression rear video.
Described server includes:
Service end transmission unit, for carrying out communication transfer with client；
Compression unit, for compressing the resolution of video；
Memory element, is used for storing video；All video modules after buffer-stored cutting and the video after compression；
Cutter unit, for being cut into multiple video module by video.
Improving further, described client and server use SerDes mode to transmit.
Described step S3 obtains focus translational speed simultaneously, and shifts to an earlier date buffered video mould according to focus translational speed
Block.
Accompanying drawing explanation
Fig. 1 is the system structure schematic diagram of the present invention.
Fig. 2 is the method flow diagram of the present invention.
Fig. 3 is the first cut mode of video module of the present invention.
Fig. 4 is the second cut mode of video module of the present invention.
Detailed description of the invention
According to Fig. 1, one of the present invention modular transmission of video Play System, by connect by network
Client and server forms, and described network connects can use the faster SerDes(Serializer-of speed
Deserializer) mode is transmitted；The work process of system and transmission player method are as shown in Figure 2.
Described client, for obtaining the focal coordinates of user and being sent to server；Receive server and send many
Individual video module and compression resolution after video, and according to each video module coordinate by multiple video modules with compression after after
Video is play simultaneously.Client also includes: focus capture unit, for catching the sight line focal coordinates of user.Broadcast unit, uses
In while Play Server transmission multiple video modules and compression after video.Client transmissions unit, is used for and server
Carry out communication transfer.
Wherein client also includes buffer cell, is deposited by the video buffer after the multiple video modules received and compression
Storage, when multiple video modules are consistent with the vertical correction signal of compression rear video, by regarding after multiple video modules and compression
Frequency is delivered simultaneously to broadcast unit.Video module and compression video are buffered and synchronous correction makes to reduce the when of broadcasting to use
The picture break-up sense at family, the image continuity between each module is better.
Improving further, server arranges frame number to the frame in each video module after cutting video module,
The frame number of all video modules all one_to_one corresponding on synchronization；First to respectively regarding before buffer cell detection vertical correction signal
The frame number of frequency module and compression rear video verifies one to one.Reason is, present video encapsulation form is general
Being all by time positioning video frame, this mode can not be precisely located frame of video, typically has the error of 1 ~ 2 frame.And
Increase frame number and can be accurately positioned each frame of video, can be preferably by compression video and video module superposition, the superposition of this frame
After picture there will be no and isolate sense.
Described server, for receiving the focal coordinates that client sends；Video is cut into multiple video module, root
According to focal coordinates, client is sent designated module；Transmission of video after compressing video resolution and compressing is to client
End.Server also includes: service end transmission unit, for carrying out communication transfer with client.Compression unit, is used for compressing video
Resolution.Memory element, is used for storing video；All video modules after buffer-stored cutting and the video after compression.Cut
Cut unit, for video being cut into multiple video module.
When signal initially connects, the standard resolution of broadcast unit detection player, standard resolution is sent to clothes
Business device, video is compressed by server according to standard resolution.The client terminal playing unit secondary size to video can be reduced
Adjust, decrease the operation times of broadcast unit, make video playback more smooth.
Video module can be cut into the rectangle consistent with former length-width ratio of video by video module of the present invention cutting,
Can also be cut into the square that length-width ratio is 1, or to be cut into length-width ratio be user-defined ratio.Different cutting sides
Formula provides the user various different visual experience, is suitable for more audient.
Embodiment one
Below in conjunction with Fig. 3, to be cut into the rectangle elaboration of the present invention operation principle consistent with former length-width ratio of video:
Assume the 3840*2160 that former length-width ratio of video is 16:9,4K HD video.Compression unit is by clear for HD video boil down to
Spend relatively low transmission of video to client, display when client will compress video played in full screen.Former video is cut by cutter unit
Being segmented into 100 video modules of 10*10, the resolution of each video module is 384*216, and compiles each video module
Numbers 1 to 100.The definition of each video module is consistent with the definition of former 4K video.When focus capture unit captures user
Focal coordinates fall on a certain video module, such as the video module 43 in Fig. 3.Then server is by certain for video module 43 model
Enclose neighbouring video module to extract from memory element simultaneously, Fig. 3 shows as extract video module 33,42,43,44 and simultaneously
53.The video module coordinate of these 5 video modules and correspondence is sent collectively to client by server.Client is according to video
5 video modules are covered simultaneously are shown to display by module coordinate.When covering display, the display layer of video module is higher than pressure
The display layer of contracting video.When the sight line focus that focus capture unit detects user is moved, obtain what its focus moved
Speed.Focus translational speed includes the direction of movement and the speed of movement.Such as detect that user focus is from video module 43
When video module 44 moves, buffer cell obtains from server and the video data of buffered video module 34,45 and 54 in advance.
When the shift position of focal coordinates meets and changes video module when, simultaneously by video module 34,43,44,45 and of buffering
54 coverings simultaneously are shown on display.User is made also not interfere with the continuity of high-definition image sight line moves when.
Embodiment two
In conjunction with Fig. 4, illustrate another video module cutting mode of the present invention:
The cutting mode of the present embodiment video module be the length-width ratio of video module be 1, it is assumed that former length-width ratio of video is 16:9's
3840*2160,4K HD video.Former video is cut into 144 video modules of 16*9 by cutter unit, each video module
Resolution is 240*240, and each video module is numbered 1 to 144.The definition of each video module and former 4K video
Definition consistent.Fall on a certain video module, such as in Fig. 4 when focus capture unit captures the focal coordinates of user
Video module 51.Then the video module near video module 51 certain limit is extracted from memory element by server simultaneously, Fig. 3
In show as extracting video module 35,50,51,52 and 67 simultaneously.Other operation principles are similar with embodiment one.
The cutting ratio of other users customization can also be made in addition to above-mentioned two embodiment.
The present invention can transmit conventional irrealizable HD video under the less network bandwidth, and the office seen
Portion's video does not reduce than former high definition file.Driven the movement of high definition scope by human eye focus, bring to user more main
Dynamic property, and preferably embody effect.
For a person skilled in the art, can technical scheme as described above and design, make other each
Plant corresponding change and deformation, and all these changes and deforms the protection model that all should belong to the claims in the present invention
Within enclosing.
Claims (10)
1. a modular transmission of video Play System, it is characterised in that include client and server；
Described client, for obtaining the focal coordinates of user and being sent to server；Receive multiple the regarding of server transmission
Frequency module and compression resolution after video, and according to each video module coordinate by multiple video modules with compression after after video
Play simultaneously；
Described server, for receiving the focal coordinates that client sends；Video is cut into multiple video module, according to Jiao
Point coordinates sends designated module to client；Transmission of video after compressing video resolution and compressing is to client；
Described client and server is connected by network.
System the most according to claim 1, it is characterised in that client includes:
Focus capture unit, for catching the sight line focal coordinates of user；
Broadcast unit, the video after multiple video modules and compression of Play Server transmission simultaneously；
Client transmissions unit, for carrying out communication transfer with server.
System the most according to claim 2, it is characterised in that the standard resolution of described broadcast unit detection player
Rate, sends standard resolution to server, and video is compressed by server according to standard resolution.
System the most according to claim 2, it is characterised in that described client also includes buffer cell, described is slow
Rush unit to be stored by the video buffer after the multiple video modules received and compression, when multiple video modules and compression rear video
Vertical correction signal consistent time, by multiple video modules and compression after video be delivered simultaneously to broadcast unit.
System the most according to claim 4, it is characterised in that described focus capture unit obtains the mobile speed of focus
Degree, buffer cell buffers the video module that focus mobile trend is corresponding in advance according to translational speed.
System the most according to claim 4, it is characterised in that described server regards each after cutting video module
Frame in frequency module all arranges frame number, the frame number of all video modules all one_to_one corresponding on synchronization；Buffer cell
First the frame number of each video module and compression rear video is verified one to one before detection vertical correction signal.
System the most according to claim 1, it is characterised in that server includes:
Service end transmission unit, for carrying out communication transfer with client；
Compression unit, for compressing the resolution of video；
Memory element, is used for storing video；All video modules after buffer-stored cutting and the video after compression；
Cutter unit, for being cut into multiple video module by video.
8. according to the arbitrary described system of claim 1-7, it is characterised in that described client uses SerDes with server
Mode is transmitted.
9. the transmission of video player method of a compound-resolution, it is characterised in that comprise the following steps:
S1, by video resolution compress；
S2, video is cut into multiple video module；
S3, seizure user's sight line focus；
S4, by the video module in focal coordinates certain radius with compression after video play simultaneously.
Method the most according to claim 9, it is characterised in that simultaneously obtain focus translational speed in described step S3,
And shift to an earlier date buffered video module according to focus translational speed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610705739.1A CN106131693A (en) | 2016-08-23 | 2016-08-23 | A kind of modular transmission of video Play System and method |
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| CN201610705739.1A CN106131693A (en) | 2016-08-23 | 2016-08-23 | A kind of modular transmission of video Play System and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107018386A (en) * | 2017-06-08 | 2017-08-04 | 柳州智视科技有限公司 | A kind of video flowing multiresolution observation system |
| WO2019232672A1 (en) * | 2018-06-04 | 2019-12-12 | Boe Technology Group Co., Ltd. | A method for processing image data with reduced transmission bandwidth for display |
| CN111083430A (en) * | 2018-10-18 | 2020-04-28 | 杭州海康威视系统技术有限公司 | Image acquisition method and device, electronic equipment and storage medium |
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Application publication date: 20161116 |