CN108600290A - A kind of mobile video live streaming/monitor video source distribution formula cut-in method - Google Patents
A kind of mobile video live streaming/monitor video source distribution formula cut-in method Download PDFInfo
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- CN108600290A CN108600290A CN201810095673.8A CN201810095673A CN108600290A CN 108600290 A CN108600290 A CN 108600290A CN 201810095673 A CN201810095673 A CN 201810095673A CN 108600290 A CN108600290 A CN 108600290A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000009472 formulation Methods 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 238000007796 conventional method Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000006855 networking Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
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- 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
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2187—Live feed
-
- 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
-
- 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention discloses a kind of mobile video live streaming/monitor video source distribution formula cut-in methods, all Online Video sources are divided into row set, it will be screened for the video source of same event, it is considered as identity set element, it is multiple ensemble spaces by all will be added with added video source universal formulation, to all video sources using the distributed balanced access stream media service node of video source of identity set.A kind of mobile video live streaming that the present invention designs/monitor video source distribution formula cut-in method, opposite conventional method access manually, ownership place access, server load balancing the methods of access, add the classification policy of associated video source society face meaning, and according to this based on will on of a sort video source equiblibrium mass distribution to different stream media service nodes, for reducing " hot spot " video link group failure possibility.
Description
Technical field
The present invention relates to the distribution access of video source, more particularly to the distribution accesses of a kind of balance-type.
Background technology
With universal and 4G networks comprehensive covering of cell phone terminal, video movement live streaming, video mobile monitor
Equal new medias the Internet, applications are widely used in the production of people, life.Anywhere any scene, people dig out hand
Machine, the camera carried using terminal and high performance processing capacity, you can as the picture pick-up device of a front end, go to record in real time
Live video processed, then by the Internet-based in wechat, QQ, it is micro- broadcast, be broadcast live monitor supervision platform etc. issued to social channel, from
And realize that live video is broadcast live, the service applications such as remote monitoring law enforcement.
The feature of this Online Video application is different from video on demand, relatively high for video acquisition requirement of real-time, together
When video interim card and interrupted situation cannot often occur, therefore its backstage will generally establish a powerful video flowing acquisition point
Platform is sent out, the basic platform as live streaming monitoring.Its principle is that mobile phone terminal and distribution platform networking are existed by mobile network
Together, it is responsible for front end image scene being acquired and encoded compression by mobile phone terminal（H.264, H.265）Form video source, and 4G
Return to the streaming media server node of rear end acquisition distribution platform.Stream media service node, which is concentrated, converges all video source numbers
According to stream, and all types of electric terminals can be distributed to, by being converted to RTSP, RTMP agreement of standard to be all types of users
The service of video image live streaming monitoring is provided.
But at present, Online Video acquisition distribution technology development time is also shorter, and there are still some problems, Bu Nengshi
Application scenarios that should be all.The video source for being acquired and being distributed by mobile phone terminal this first, be it is in office where regarding of randomly generating of area
Frequency live streaming link, general is difficult to realize that video acceleration and hot spot equalize by CDN technologies.And the mode that tradition solves is just
It is, by the Streaming Media pipe for manually selecting more idle live streaming/monitoring streaming media server or the automatic administrative area of access institute nearby
Server is managed to carry out networking access, or uses load-balancing mechanism, and to the pressure load of server（Bandwidth is born
Lotus, number of users etc.）Judged, most light load node of being subject to determines the node of video source access.But this strategy can exist
One problem, because holding big assembly and movable scene, either the front end monitoring of Security Personnel or audience
Carry out mobile phone live streaming, all can newly generate a large amount of video source during activity, people can go to shoot from the different angle at scene
Movable video image picture.Due to geographical location proximity, a large amount of video source access, which would generally concentrate, is linked into the region
On several stream media service nodes of interior deployment, so as to cause the generation of part " hot spot ".Once these server overloads, collapse
Or by network attack, the interim card for same movable all hot videos, failure can be caused.
Invention content
It is an object of the invention to insufficient present in solving the above problems, it is straight to design a kind of safer mobile video
/ monitor video source distribution formula cut-in method is broadcast, it is distributed as possible that of a sort video source is linked into different stream media nodes
On, avoid the generation of hot spot server.
The technical solution of the present invention is to provide a kind of mobile video live streaming/monitor video source distribution formula cut-in method, technologies
Scheme includes：
A kind of mobile video live streaming/monitor video source distribution formula cut-in method, to all mobile video live streaming/monitor video sources
Divided into row set, will be screened for the video source of same event, be considered as identity set element, will be added all and
Added video source universal formulation is multiple ensemble spaces, distributed using the video source of identity set to all video sources
Weighing apparatus access stream media service node carries out division set for the video source newly accessed, selects a stream media service node
It is accessed, which is minimum number in the aggregated video source in all stream media service nodes.
Preferably, the Online Video source of the same event includes that the different angle of life event is shot or supervised
Control.
Preferably, each described video source has and only belongs to one of set.
Preferably, the set to video source divides, including carries out video source according to video image content by administrator
Manual sort or classified automatically according to the title of video source by system.
Beneficial effects of the present invention：The present invention devises a kind of mobile video live streaming/monitor video source distribution formula access side
Method, opposite conventional method access manually, ownership place access, server load balancing the methods of access, and adds associated video source
The classification policy of social face meaning, and according to this based on by of a sort video source equiblibrium mass distribution to different streaming media service sections
On point, for reducing the possibility of " hot spot " video link group failure, the method is for net cast/prison under actual scene
The safety management of control application has important value.
Description of the drawings
Fig. 1 is that schematic diagram is accessed in conventional video source.
Fig. 2 is that video source of the present invention accesses schematic diagram.
Fig. 3 is the algorithm block diagram of the present invention.
Specific implementation mode：
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below with reference to drawings and examples, to this
Invention is described in further detail.
The present invention provides a kind of mobile video live streaming/monitor video source distribution formula cut-in method, uses based on video source
The video source classification policy of social face meaning divides all will be added into row set with added video source, will be directed to
The video source of same event screens, and video pictures can be considered as identity set from multiple angle shots of the life event
Thus all will be added with added video source universal formulation can be multiple ensemble spaces by element.The method of classification can
The manual sort of video source is carried out according to video image content by administrator or is carried out automatically according to the title of video source by system
Classification, is as follows：
1）If there are stream media service node set S={ S1, S2 ... ... Sn }, the maximum video counts of every streaming media service access
Amount is。
2）If the video source set V of existing online service={ V1, V2 ... ..., Vm }, has been distributed in each Streaming Media section
On point, some video source Vx must be accessed in S node S, and V can be NULL.
3）If newly generating one video source Vm+1 request to be added in Video Applications, it is added into V set.
4）Classify according to the meaning of video source object, it is believed that be linked as together for the video source of same activity shooting
Set V is divided into several subclass P1, P2 ... ... Pi by one kind on this basis, wherein each video source Vx has and only belongs to
One of subclass Py.
2, the strategy of the distributed balanced access of same category video source is used.For the video source newly accessed, according to spy
The classification results of a method are levied, selects a stream media service node to be accessed, is with the video source newly accessed on the node
The quantity of of a sort video source is minimum on all stream media service nodes.
5）According to classification results, for the subclass Px, wherein video source Vm+1 of video source classification Px。
6）The quantity for belonging to Px in the video source serviced on all stream media service nodes in S set with Vm+1 is calculated,
If result is R={ R1, R2 ... Rn }.
7）According to step 6 as a result, there are Rh, for arbitrary Rg ∈ R, there is Rh<=Rg then assert that Rh is minimum number
It is homologous, assert Sh for the new video source Vm+1 that accesses for the homologous stream media service node of minimum number.
8）If Sh is unique, if the video source quantity of Sh current services access<（In load allowable range）, then Vm+
1 selects Sh for access service node of networking.Otherwise Rh is excluded in R set, repeats step（7）, reselect minimum R values
And corresponding S stream media nodes are as access server.
9）If Sh there are multiple, selects currently to have the Sh of the video source quantity minimum value of service access to be connect as networking
Enter service node.
The present invention is described by embodiment, but is not limited the invention, with reference to description of the invention, institute
Other variations of disclosed embodiment, are such as readily apparent that the professional person of this field, such variation should belong to
Within the scope of the claims in the present invention limit.
Claims (4)
1. a kind of mobile video live streaming/monitor video source distribution formula cut-in method, it is characterised in that：It is straight to all mobile videos
Broadcast/monitor video source into row set divide, will be screened for the video source of same event, be considered as identity set element, will
All will be added with added video source universal formulation is multiple ensemble spaces, to all video sources using identity set
The distributed balanced access stream media service node of video source carries out division set for the video source newly accessed, selects one
Stream media service node is accessed, which counted in the aggregated video source in all stream media service nodes
It measures at least.
2. mobile video live streaming according to claim 1/monitor video source distribution formula cut-in method, it is characterised in that：On
Same event Online Video source is stated, includes that the different angle of life event is shot or monitored.
3. mobile video live streaming according to claim 1/monitor video source distribution formula cut-in method, it is characterised in that：On
Stating each video source has and only belongs to one of set.
4. mobile video live streaming according to claim 1/monitor video source distribution formula cut-in method, it is characterised in that：On
It states to the division of the set of video source, includes by administrator the manual sort of video source being carried out according to video image content or by system
Classified automatically according to the title of video source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810095673.8A CN108600290B (en) | 2018-01-31 | 2018-01-31 | Distributed access method for mobile video live broadcast/monitoring video source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810095673.8A CN108600290B (en) | 2018-01-31 | 2018-01-31 | Distributed access method for mobile video live broadcast/monitoring video source |
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| Publication Number | Publication Date |
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| CN108600290A true CN108600290A (en) | 2018-09-28 |
| CN108600290B CN108600290B (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810095673.8A Active CN108600290B (en) | 2018-01-31 | 2018-01-31 | Distributed access method for mobile video live broadcast/monitoring video source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111131841A (en) * | 2020-02-24 | 2020-05-08 | 北京达佳互联信息技术有限公司 | Live indirect access method and device, electronic equipment and storage medium |
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| CN111131841A (en) * | 2020-02-24 | 2020-05-08 | 北京达佳互联信息技术有限公司 | Live indirect access method and device, electronic equipment and storage medium |
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