CN106210751A - The method and system of internet video live broadcasting data hierarchy transmission - Google Patents
The method and system of internet video live broadcasting data hierarchy transmission Download PDFInfo
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- CN106210751A CN106210751A CN201610669634.5A CN201610669634A CN106210751A CN 106210751 A CN106210751 A CN 106210751A CN 201610669634 A CN201610669634 A CN 201610669634A CN 106210751 A CN106210751 A CN 106210751A
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/632—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing using a connection between clients on a wide area network, e.g. setting up a peer-to-peer communication via Internet for retrieving video segments from the hard-disk of other client devices
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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
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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
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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
- H04N21/226—Characteristics of the server or Internal components of the server
- H04N21/2265—Server identification by a unique number or address, e.g. serial number
-
- 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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
-
- 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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The method of the present invention open internet video live broadcasting data hierarchy transmission, including: each net cast site on server is set and receives the channel number threshold value of net cast data；The tree-shaped layering peer-to-peer network transmission structure of at least two-layer, the channel information of each direct broadcast band on record net cast site is created based on net cast site；Receive net cast data, parse identification information and the channel identication of net cast data；Channel identication is obtained, with each channel information of record coupling, the target direct broadcast band that net cast data are corresponding, net cast data are stored on the net cast site at target direct broadcast band place, and by each node of identification information transmission to tree-shaped layering peer-to-peer network transmission structure；Node to when there are not net cast data, asks net cast data to the last layer node of this node according to identification information judgment, receives the net cast data of feedback and stores.The present invention improves the effect of internet video live broadcasting data transmission.
Description
Technical field
The present invention relates to the technical field of internet video live broadcasting, divide more particularly, to a kind of internet video live broadcasting data
The method and system of layer transmission.
Background technology
Peer-to-peer network (Peer-to-peer networking is called for short P2P), i.e. peer-to-peer computer network, is a kind of right
Deng distributing task and the Distributed Application framework of live load between person (Peer), it is that P2P computing model is formed in application layer
A kind of networking or latticed form.In P2P network environment, all in the status of equity between the multiple stage computer being connected to each other,
Each computer has identical function, and without master-slave, a computer can not only be used for server, sets and shares resource for network
In other computers used, again can be as work station, in general whole network is independent of special centralized servers, also
There is no special work station.Each computer in network can serve as the requestor of network service, again to other computer
Request respond, it is provided that resource, service and content.Generally these resources and service includes: sharing and exchange, meter of information
Calculate resource (as CPU computing capability is shared), (such as caching and the use of disk space) is shared in storage, network is shared, printer is common
Enjoy.
Peer-to-peer network net cast (P2P net cast) is the live clothes of the live video utilizing Internet resource to carry out
Business, synchronizes to be published on network by on-the-spot video capture, and user can see real-time scene the same time on network
Situation.The P2P net cast data transfer mode of prior art is: all upload to same live by the video that different channel shoots
Site, then played out at user side after different user transmission live data by this live site.But, by this net
The data transfer mode of network net cast, user obtains the live video number of the different channel of shooting from same live site
According to, large number of user can be caused to obtain live video data to live site and the server stress of live site that brings
Increase phenomenon, badly influence user and obtain live video data, ultimately result in the effect problem worse and worse of user's viewing.
Therefore it provides a kind of carry out partial pressure type data transmission in live site internet video live broadcasting scheme be this area urgently
Problem to be solved.
Summary of the invention
In view of this, the invention provides the method and system of a kind of internet video live broadcasting data hierarchy transmission, solve
The effect obtaining, in prior art, user's watching video live broadcast that live data is brought from consolidated network net cast site is more come
The poorest problem.
In order to solve above-mentioned technical problem, the present invention proposes the method for a kind of internet video live broadcasting data hierarchy transmission, bag
Include:
Receiving and storing on the server of net cast data, each net cast site on described server is being set and connects
The channel number threshold value of rating frequency live data；
Create the tree-shaped layering peer-to-peer network transmission structure of at least two-layer based on described net cast site, and record described
The channel information of each direct broadcast band on net cast site；
Described server receives net cast data, parses described net cast data from described net cast data
Identification information and channel identication；Described channel identication is mated with each channel information of record the described net cast number of acquisition
According to corresponding target direct broadcast band, described net cast data are stored the net cast net at described target direct broadcast band place
On point, and by each node of described identification information transmission to described tree-shaped layering peer-to-peer network transmission structure；
Described node according to described identification information judgment to when there are not described net cast data, to upper the one of this node
Node layer asks described net cast data, receives the described net cast data of feedback and stores；Wherein,
The direct broadcast band of described net cast data is not in the net cast channel recorded, and all net cast nets
When the channel number of the direct broadcast band on point all reaches described channel number threshold value, a newly-built net cast net on described server
Point, receives described net cast data and is stored on described newly-built net cast site.
Further, wherein, receive the described net cast data of feedback and store, being further:
Described node receives the described net cast data of feedback, deposits by the reproduction time order of described net cast data
On storage extremely described node in corresponding direct broadcast band；
When the net cast data of storage in the direct broadcast band on described node, exceed net cast data set in advance
Length threshold time, described node retains the net cast data of described threshold length from back to front.
Further, wherein, described length threshold is 16-32 million.
Further, wherein, the direct broadcast band of described net cast data not in the net cast channel recorded, and
When the channel number of the direct broadcast band on all net cast sites all reaches described channel number threshold value, newly-built on described server
One net cast site, receives described net cast data and is stored on described newly-built net cast site, further
For:
The direct broadcast band of described net cast data is not in the direct broadcast band recorded, and not all net cast net
When the channel number of the direct broadcast band on point all reaches described channel number threshold value, receive described net cast data and be stored in channel
Number is less than on the net cast site of described channel number threshold value；
The direct broadcast band of described net cast data is not in the net cast channel recorded, and all net cast nets
When the channel number of the direct broadcast band on point all reaches described channel number threshold value, a newly-built net cast net on described server
Point, receives described net cast data and is stored on described newly-built net cast site.
Further, wherein, described channel number threshold value is 5-50.
On the other hand, the present invention also provides for the system of a kind of internet video live broadcasting data hierarchy transmission, including: mould is set
Block, peer-to-peer network build module, net cast data memory module, net cast data reception module and net cast site wound
Modeling block；Wherein,
Described module is set, for receiving and storing the server of net cast data, arranges on described server
Each net cast site receives the channel number threshold value of net cast data；
Described peer-to-peer network builds module, right for creating the tree-shaped layering of at least two-layer based on described net cast site
Deng network transport infrastructure, and record the channel information of each direct broadcast band on described net cast site；
Described net cast data memory module, receives net cast data for described server, straight from described video
Multicast data parses identification information and the channel identication of described net cast data；By each of described channel identication and record
Channel information coupling obtains the target direct broadcast band that described net cast data are corresponding, and described net cast data are stored institute
State on the net cast site at target direct broadcast band place, and the transmission of described identification information is layered peer-to-peer network to described tree-shaped
Each node of transmission structure；
Described net cast data reception module, described to not existing according to described identification information judgment for described node
During net cast data, asking described net cast data to the last layer node of this node, the described video receiving feedback is straight
Multicast data also stores；Further, wherein,
Described net cast site creation module, for the direct broadcast band of described net cast data not regarding of being recorded
Frequently in direct broadcast band, and when the channel number of the direct broadcast band on all net cast sites all reaches described channel number threshold value,
A newly-built net cast site on described server, receives described net cast data and to be stored in described newly-built video straight
Broadcast on site.
Further, wherein, described net cast data reception module, it is further used for:
Described node receives the described net cast data of feedback, deposits by the reproduction time order of described net cast data
On storage extremely described node in corresponding direct broadcast band；
When the net cast data of storage in the direct broadcast band on described node, exceed net cast data set in advance
Length threshold time, described node retains the net cast data of described threshold length from back to front.
Further, wherein, described length threshold is 16-32 million.
Further, wherein, described net cast site creation module, it is further used for:
The direct broadcast band of described net cast data is not in the direct broadcast band recorded, and not all net cast net
When the channel number of the direct broadcast band on point all reaches described channel number threshold value, receive described net cast data and be stored in channel
Number is less than on the net cast site of described channel number threshold value；
The direct broadcast band of described net cast data is not in the net cast channel recorded, and all net cast nets
When the channel number of the direct broadcast band on point all reaches described channel number threshold value, a newly-built net cast net on described server
Point, receives described net cast data and is stored on described newly-built net cast site.
Further, wherein, described channel number threshold value is 5-50.
Compared with prior art, the method and system of the internet video live broadcasting data hierarchy transmission of the present invention, it is achieved that as
Under beneficial effect:
(1) method and system of internet video live broadcasting data hierarchy of the present invention transmission, live regard photograph
Frequently source pushes to the storage of multiple internet video live broadcasting site, creates P2P net cast based on these multiple internet video live broadcasting sites
Data transmission network, user can obtain live data from different P2P net cast network node and watch, it is to avoid institute
There is user all to obtain live data to same live site and cause viewing live effect problem worse and worse.
(2) method and system of internet video live broadcasting data hierarchy of the present invention transmission, by the shape of hierarchical tree
Formula storage and transmission net cast data, user obtains video data at the node of branch and watches, it is not necessary to Mei Geyong
Family all obtains net cast data to same live site, but obtains video at P2P net cast network node with regard to near-earth
Live data, shortens the transmission time of net cast data, it is ensured that the real-time of transmission net cast data.
Certainly, the arbitrary product implementing the present invention specific needs must not reach all the above technique effect simultaneously.
By detailed description to the exemplary embodiment of the present invention referring to the drawings, the further feature of the present invention and
Advantage will be made apparent from.
Accompanying drawing explanation
Combined in the description and the accompanying drawing of the part that constitutes description shows embodiments of the invention, and even
With its explanation together for explaining the principle of the present invention.
Fig. 1 is the schematic flow sheet of the method for the transmission of internet video live broadcasting data hierarchy described in the embodiment of the present invention 1；
Fig. 2 is the tree-shaped layering peer network architecture schematic diagram of internet video live broadcasting data described in the embodiment of the present invention 1；
Fig. 3 is the schematic flow sheet of the method for the transmission of internet video live broadcasting data hierarchy described in the embodiment of the present invention 2；
Fig. 4 is the structural representation of the system of the transmission of internet video live broadcasting data hierarchy described in the embodiment of the present invention 3.
Detailed description of the invention
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should also be noted that unless additionally have
Body illustrates, the parts illustrated the most in these embodiments and positioned opposite, the numerical expression of step and numerical value are not intended to this
The scope of invention.
Description only actually at least one exemplary embodiment is illustrative below, never as to the present invention
And any restriction applied or use.
May be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of when, described technology, method and apparatus should be considered a part for description.
It is shown here that any occurrence should be construed as merely exemplary with in all examples discussed, and not
It is as restriction.Therefore, other example of exemplary embodiment can have different values.
It should also be noted that similar label and letter represent similar terms, therefore, the most a certain Xiang Yi in following accompanying drawing
Individual accompanying drawing is defined, then need not it is further discussed in accompanying drawing subsequently.
Embodiment 1
As it is shown in figure 1, be the schematic flow sheet of the method for the transmission of internet video live broadcasting data hierarchy described in the present embodiment.
In the present embodiment, appropriate number of internet video live broadcasting site is set based on live video channel number and receives the network shot
Live video data, and build P2P internet video live broadcasting data transmission network, Yong Hucong based on each internet video live broadcasting site
Obtain net cast data at P2P net cast network node nearby, add the efficiency of internet video live broadcasting data transmission.
The method of the internet video live broadcasting data hierarchy transmission described in the present embodiment comprises the following steps:
Step 101, receive and store on the server of net cast data, it is straight that each video on described server is set
Broadcast site and receive the channel number threshold value of net cast data.
The net cast data shot are sent to described server according to the net cast channel pre-setting correspondence,
Multiple net cast site it is provided with for storing the net cast data of different video direct broadcast band on described server.And not
It is as described net cast data are all stored on same net cast site by prior art, it is to avoid all users are
The net cast data influence problem to data transmission efficiency is obtained from same net cast site.
Step 102, be respectively created based on each described net cast site at least two-layer tree-shaped layering peer-to-peer network pass
Defeated structure, and record the channel information of each net cast channel, described channel information bag on each described net cast site
Include the channel identication of corresponding channel.
In tree-shaped layering peer-to-peer network (P2P) transmission structure, the status of each node is reciprocity, and this makes right
Become easily Deng the communication on network, more directly share and mutual, and push up-to-date by upper layer node to lower level node
Net cast data, every layer upper point multiple nodes storage net cast data so that lower level node obtains video from upper layer node
Can there is more selection during live data, improve the efficiency of net cast data transmission.
Step 103, described server receive described net cast data, therefrom parse the mark of described net cast data
Knowledge information and channel identication, mate the described net cast data pair of acquisition by described channel identication with each channel information of record
Described net cast data are stored the net cast site at described target direct broadcast band place by the target direct broadcast band answered
On.
Net cast data in same net cast channel are centrally stored on the net cast site of correspondence, favorably
In pushing net cast data relevant in this video channel to each node on this net cast site.
Step 104, by described identification information transmit to each layer in the peer-to-peer network transmission structure of this net cast site
Node.
Described identification information, including: the ID of described net cast data, the size of described net cast data and content are retouched
The information such as state.Be may determine that by described identification information and there are this net cast data, it is to avoid
Repeat pushing video live data.
Step 105, the node of described peer-to-peer network transmission structure regard described in not existing according to described identification information judgment
Frequently, during live data, in described peer-to-peer network transmission structure, the last layer node of this node asks described net cast data.
The described video that step 106, the described node of described peer-to-peer network transmission structure receive last layer node feeding back is straight
Multicast data also stores.
Net cast channel belonging to step 107, described net cast data is not at the net cast channel of described record
Time interior, receive described net cast data and be stored in the channel number described net cast site less than described channel number threshold value
On.
Net cast channel belonging to step 108, described net cast data is not at the net cast channel of described record
In, and when the channel number on all net cast sites all reaches described channel number threshold value, described server creates one again
Individual net cast site, and receive described net cast data and be saved on described newly-built net cast site.
As in figure 2 it is shown, be the tree-shaped layering peer network architecture signal of internet video live broadcasting data described in the present embodiment
Figure.In server 201, include net cast site 211, illustrate as a example by 2 net cast sites at this.Often
Individual net cast site 211 times branch again is multiple second layer nodes 212, and each second layer node 212 branch is multiple
Third layer node 213, so sets up the peer network architecture of tree-shaped layering.
Embodiment 2
As it is shown on figure 3, be the schematic flow sheet of the method for the transmission of internet video live broadcasting data hierarchy described in the present embodiment.
The present embodiment describes on the basis of embodiment 1 and controls net cast data memory length in P2P network on each node
Particular content.Method described in the present embodiment comprises the steps:
Step 301, receive and store on the server of net cast data, arrange each net cast site receive regard
Frequently the threshold of net cast data length is stored on the channel number threshold value of live data and each net cast data memory node
Value.
Preferably, described channel number threshold value is 10-20；The threshold value of described storage net cast data length is 32,000,000 words
Joint.In this step, utilize the feature that P2P data are transmitted, the memory length video less than 32 Mbytes at memory node
Live data, is conducive to, high efficiency of transmission net cast data quick based on P2P net cast data hierarchy network.
Step 302, be respectively created based on each described net cast site at least two-layer tree-shaped layering peer-to-peer network pass
Defeated structure, and record the channel letter storing net cast data corresponding net cast channel on each described net cast site
Breath.
In tree-shaped layering peer-to-peer network (P2P) transmission structure, the status of each node is reciprocity, and this makes right
Become easily Deng the communication on network, more directly share and mutual, and push up-to-date by upper layer node to lower level node
Net cast data, every layer upper point multiple nodes storage net cast data so that lower level node obtains video from upper layer node
Can there is more selection during live data, improve the efficiency of net cast data transmission.
Step 303, described server receive described net cast data, therefrom parse the mark of described net cast data
Knowledge information and channel identication, mate the described net cast data pair of acquisition by described channel identication with each channel information of record
Described net cast data are stored the net cast site at described target direct broadcast band place by the target direct broadcast band answered
On.
Net cast data in same net cast channel are centrally stored on the net cast site of correspondence, favorably
In pushing net cast data relevant in this video channel to each node on this net cast site.
Step 304, by described identification information transmit to each layer in the peer-to-peer network transmission structure of this net cast site
Node.
Described identification information, including: the ID of described net cast data, the size of described net cast data and content are retouched
The information such as state.Be may determine that by described identification information and there are this net cast data, it is to avoid
Repeat pushing video live data.
Step 305, described peer-to-peer network transmission structure node according to described identification information judgment whether exist described in regard
Frequently live data.
Step 306, described peer-to-peer network transmission structure node according to described identification information judgment to there is described video
During live data, in described peer-to-peer network transmission structure, the last layer node of this node does not asks described net cast data.
Step 307, the node of described peer-to-peer network transmission structure regard described in not existing according to described identification information judgment
Frequently, during live data, in described peer-to-peer network transmission structure, the last layer node of this node asks described net cast data,
And the described net cast data receiving last layer node feeding back store.
Net cast channel belonging to step 308, described net cast data is not at the net cast channel of described record
Time interior, receive described net cast data and be stored in the channel number described net cast site less than described channel number threshold value
On.
Net cast channel belonging to step 309, described net cast data is not at the net cast channel of described record
In, and when the channel number on all net cast sites all reaches described channel number threshold value, described server creates one again
Individual net cast site, and receive described net cast data and be saved on described newly-built net cast site.
Step 310, the described node of described peer-to-peer network transmission structure receive described net cast data according to when receiving
Between order store, and whether storage net cast data exceed described in judging on described node each net cast channel
The threshold value of storage net cast data length.
Step 311, exceed described storage and regard when storing net cast data in net cast channel each on described node
During the length threshold of live data frequently, retain the net cast data of described threshold length from back to front.In this step, according to
The feature of net cast, retains up-to-date net cast data on memory node every time, leaves out and is exceeding described length threshold
And be positioned at net cast data above.
Step 312, when storing net cast data in net cast channel each on described node less than described length
During threshold value, retain net cast data currently stored on described node.
In the present embodiment, based on P2P hierarchical tree-type network structure transmission network net cast data, at each storage joint
Point all retains up-to-date net cast data when updating every time, and beneficially user obtains up-to-date net cast data in real time, and
And user obtains video data at the node of branch and watches, it is not necessary to each user obtains to same live site and regards
Frequently live data, but net cast data are obtained at P2P net cast network node with regard to near-earth, shorten net cast number
According to the transmission time, it is ensured that transmission net cast data real-time.
Embodiment 3
As shown in Figure 4, for the system structure schematic diagram of internet video live broadcasting data hierarchy transmission described in the present embodiment.This reality
Execute the described internet video live broadcasting that the system of internet video live broadcasting data hierarchy transmission described in example can be implemented in above-described embodiment
The method of data hierarchy transmission.Described in the present embodiment, the system of internet video live broadcasting data hierarchy transmission includes: arrange module
401, peer-to-peer network builds module 402, net cast data memory module 403, net cast data reception module 404 and video
Live site creation module 405；Wherein,
The described module 401 that arranges connects with net cast site creation module 405 phase Rhizoma Nelumbinis, for receiving and to store video straight
On the server of multicast data, each net cast site on described server is set and receives the channel number threshold of net cast data
Value.
Described peer-to-peer network builds module 402 and connects with described net cast data memory module 403 phase Rhizoma Nelumbinis, for based on often
Individual described net cast site be respectively created at least two-layer tree-shaped layering peer-to-peer network transmission structure, and record each described in regard
The channel information of net cast data corresponding net cast channel is stored on the most live site.
Described net cast data memory module 403 builds module 402 and described net cast number with described peer-to-peer network
Connect according to receiver module 404 phase Rhizoma Nelumbinis, receive described net cast data for described server, therefrom parse described net cast
Data identification information and channel identication, obtain described net cast data after mating with each channel information of described record corresponding
Target direct broadcast band, described net cast data are stored on the net cast site at described target direct broadcast band place,
And by each node of described identification information transmission to described tree-shaped layering peer-to-peer network transmission structure.
Described net cast data reception module 404 is straight with described net cast data memory module 403 and described video
Broadcasting site creation module 405 phase Rhizoma Nelumbinis to connect, the node for described peer-to-peer network transmission structure arrives according to described identification information judgment
When there are not described net cast data, regard described in the last layer node request of this node in described peer-to-peer network transmission structure
Frequently live data, receives the described net cast data of feedback and stores.
Described net cast site creation module 405 and described net cast data reception module 404 and module 401 is set
Rhizoma Nelumbinis connects phase, and for the direct broadcast band of described net cast data not in the net cast channel recorded, and all videos are straight
Broadcasting the channel number of the direct broadcast band on site when all reaching described channel number threshold value, on described server, a newly-built video is straight
Broadcast site, receive described net cast data and be stored on described newly-built net cast site.
Further, wherein, the described module 401 that arranges is additionally operable to:
Receiving and storing on the server of net cast data, each net cast site is being set and receives net cast number
According to channel number threshold value and the peer-to-peer network that creates based on described net cast site in store net cast on each node
The threshold value of data length.
Described net cast data reception module 404, is further used for:
Described node receives the described net cast data of feedback, deposits by the reproduction time order of described net cast data
On storage extremely described node in corresponding direct broadcast band；
When the net cast data of storage in the direct broadcast band on described node, exceed net cast data set in advance
Length threshold time, described node retains the net cast data of described threshold length from back to front.Preferably, described length
Degree threshold value is 16-32 million.
Described net cast site creation module 405, is further used for:
The direct broadcast band of described net cast data is not in the direct broadcast band recorded, and not all net cast net
When the channel number of the direct broadcast band on point all reaches described channel number threshold value, receive described net cast data and be stored in channel
Number is less than on the net cast site of described channel number threshold value；
The direct broadcast band of described net cast data is not in the net cast channel recorded, and all net cast nets
When the channel number of the direct broadcast band on point all reaches described channel number threshold value, a newly-built net cast net on described server
Point, receives described net cast data and is stored on described newly-built net cast site.Preferably, described channel number threshold value
For 5-50.
By each embodiment above, the method and system that the internet video live broadcasting data hierarchy of the present invention transmits,
Exist and provide the benefit that:
(1) method and system of internet video live broadcasting data hierarchy of the present invention transmission, live regard photograph
Frequently source pushes to the storage of multiple internet video live broadcasting site, creates P2P net cast based on these multiple internet video live broadcasting sites
Data transmission network, user can obtain live data from different P2P net cast network node and watch, it is to avoid institute
There is user all to obtain live data to same live site and cause viewing live effect problem worse and worse.
(2) method and system of internet video live broadcasting data hierarchy of the present invention transmission, by the shape of hierarchical tree
Formula storage and transmission net cast data, user obtains video data at the node of branch and watches, it is not necessary to Mei Geyong
Family all obtains net cast data to same live site, but obtains video at P2P net cast network node with regard to near-earth
Live data, shortens the transmission time of net cast data, it is ensured that the real-time of transmission net cast data.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, device or computer program
Product.Therefore, the reality in terms of the present invention can use complete hardware embodiment, complete software implementation or combine software and hardware
Execute the form of example.And, the present invention can use at one or more computers wherein including computer usable program code
The upper computer program product implemented of usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.)
The form of product.
Although by example, some specific embodiments of the present invention have been described in detail, but the skill of this area
Art personnel are it should be understood that example above is merely to illustrate rather than in order to limit the scope of the present invention.The skill of this area
Art personnel are it should be understood that can modify to above example without departing from the scope and spirit of the present invention.This
Bright scope is defined by the following claims.
Claims (10)
1. the method for an internet video live broadcasting data hierarchy transmission, it is characterised in that including:
Receiving and storing on the server of net cast data, each net cast site reception on described server is being set and regards
Frequently the channel number threshold value of live data；
Create the tree-shaped layering peer-to-peer network transmission structure of at least two-layer based on described net cast site, and record described video
The channel information of each direct broadcast band on live site；
Described server receives net cast data, parses the mark of described net cast data from described net cast data
Knowledge information and channel identication；Described channel identication is mated with each channel information of record the described net cast data pair of acquisition
Described net cast data are stored the net cast site at described target direct broadcast band place by the target direct broadcast band answered
On, and by each node of described identification information transmission to described tree-shaped layering peer-to-peer network transmission structure；
Described node, saves to when there are not described net cast data to the last layer of this node according to described identification information judgment
Point asks described net cast data, receives the described net cast data of feedback and stores；Wherein,
The direct broadcast band of described net cast data is not in the net cast channel recorded, and on all net cast sites
The channel number of direct broadcast band when all reaching described channel number threshold value, a newly-built net cast site on described server,
Receive described net cast data and be stored on described newly-built net cast site.
The method of internet video live broadcasting data hierarchy the most according to claim 1 transmission, it is characterised in that receive feedback
Described net cast data also store, and are further:
Described node receives the described net cast data of feedback, by the reproduction time sequential storage of described net cast data extremely
On described node in corresponding direct broadcast band；
When the net cast data of storage in the direct broadcast band on described node, exceed the length of net cast data set in advance
During degree threshold value, described node retains the net cast data of described threshold length from back to front.
The method of internet video live broadcasting data hierarchy the most according to claim 2 transmission, it is characterised in that described length threshold
Value is 16-32 million.
The method of internet video live broadcasting data hierarchy the most according to claim 1 transmission, it is characterised in that described video is straight
The direct broadcast band of multicast data is not in the net cast channel recorded, and the frequency of the direct broadcast band on all net cast sites
When number of channels all reaches described channel number threshold value, on described server, a newly-built net cast site, receives described video straight
Multicast data is also stored on described newly-built net cast site, is further:
The direct broadcast band of described net cast data is not in the direct broadcast band recorded, and on not all net cast site
The channel number of direct broadcast band when all reaching described channel number threshold value, receive described net cast data and to be stored in channel number little
On the net cast site of described channel number threshold value；
The direct broadcast band of described net cast data is not in the net cast channel recorded, and on all net cast sites
The channel number of direct broadcast band when all reaching described channel number threshold value, a newly-built net cast site on described server,
Receive described net cast data and be stored on described newly-built net cast site.
The method of internet video live broadcasting data hierarchy the most according to claim 1 transmission, it is characterised in that described channel number
Threshold value is 5-50.
6. the system of an internet video live broadcasting data hierarchy transmission, it is characterised in that including: module, peer-to-peer network structure are set
Modeling block, net cast data memory module, net cast data reception module and net cast site creation module；Wherein,
Described module is set, for receiving and storing the server of net cast data, arranges on described server each
Net cast site receives the channel number threshold value of net cast data；
Described peer-to-peer network builds module, for creating the tree-shaped layering peer-to-peer network of at least two-layer based on described net cast site
Network transmission structure, and record the channel information of each direct broadcast band on described net cast site；
Described net cast data memory module, receives net cast data for described server, from described net cast number
Identification information and the channel identication of described net cast data is parsed according to；Each channel by described channel identication Yu record
Information matches obtains the target direct broadcast band that described net cast data are corresponding, and described net cast data are stored described mesh
On the net cast site at mark direct broadcast band place, and by the transmission of described identification information to the layering peer-to-peer network transmission of described tree-shaped
Each node of structure；
Described net cast data reception module, for described node according to described identification information judgment to there is not described video
During live data, ask described net cast data to the last layer node of this node, receive the described net cast number of feedback
According to and store；Further, wherein,
Described net cast site creation module is not straight at the video recorded for the direct broadcast band of described net cast data
Broadcast in channel, and when the channel number of the direct broadcast band on all net cast sites all reaches described channel number threshold value, described
A newly-built net cast site on server, receives described net cast data and is stored in described newly-built net cast net
On point.
The system of internet video live broadcasting data hierarchy the most according to claim 6 transmission, it is characterised in that described video is straight
Multicast data receiver module, is further used for:
Described node receives the described net cast data of feedback, by the reproduction time sequential storage of described net cast data extremely
On described node in corresponding direct broadcast band；
When the net cast data of storage in the direct broadcast band on described node, exceed the length of net cast data set in advance
During degree threshold value, described node retains the net cast data of described threshold length from back to front.
The system of internet video live broadcasting data hierarchy the most according to claim 7 transmission, it is characterised in that described length threshold
Value is 16-32 million.
The system of internet video live broadcasting data hierarchy the most according to claim 6 transmission, it is characterised in that described video is straight
Broadcast site creation module, be further used for:
The direct broadcast band of described net cast data is not in the direct broadcast band recorded, and on not all net cast site
The channel number of direct broadcast band when all reaching described channel number threshold value, receive described net cast data and to be stored in channel number little
On the net cast site of described channel number threshold value；
The direct broadcast band of described net cast data is not in the net cast channel recorded, and on all net cast sites
The channel number of direct broadcast band when all reaching described channel number threshold value, a newly-built net cast site on described server,
Receive described net cast data and be stored on described newly-built net cast site.
The system of internet video live broadcasting data hierarchy the most according to claim 6 transmission, it is characterised in that described channel
Number threshold value is 5-50.
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