CN102547395B - Method and device for determining video data source of network player - Google Patents
Method and device for determining video data source of network player Download PDFInfo
- Publication number
- CN102547395B CN102547395B CN201110459597.2A CN201110459597A CN102547395B CN 102547395 B CN102547395 B CN 102547395B CN 201110459597 A CN201110459597 A CN 201110459597A CN 102547395 B CN102547395 B CN 102547395B
- Authority
- CN
- China
- Prior art keywords
- video data
- video
- network
- node
- network player
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The invention aims to provide a method or device for realizing video data downloading of a network player. The method comprises the following specific steps: a scheduling device detects whether a first triggering condition for switching a video data source of a network player from a video server to a P2SP (Peer to Server & Peer) network is satisfied; when the first triggering condition is satisfied, a super node and a normal node both corresponding to a target video are determined in the P2SP network according to the target video; and the video data source is updated as the super node and the normal node. In comparison with the prior art, the method or device provided by the invention solves the problems that a C/S (Client/Server) mode and a CDN (Content Distribution Network) mode in the conventional method are relatively high in cost and the P2P (Peer-To-Peer) mode cannot guarantee service quality, and has the advantages of rapid starting, steady downloading speed and high saving ratio. Furthermore, according to the method or device for realizing video data downloading of the network player, disclosed by the invention, whether the video data source is satisfied to be switched to the normal node can be further detected; and video service providing cost is further reduced.
Description
Technical field
The present invention relates to network video technique field, relate in particular to a kind of network player that is used to and in P2SP network, determine the technology of video data source.
Background technology
Along with the development of network technology and computer technology, the appearance of new network has facilitated people by internet viewing video.People watch Internet video with network player conventionally at present, and network player is a kind of equipment of watching video by network, as set-top box device.When user watches video by network player conventionally, wish to obtain the service quality identical with traditional broadcast television.While wishing to click a video in network player as user, can, as traditional radio and television, see the content of this video at once; When being switched to another video in network player, user also wishes that handover delay can reach the handover delay of traditional broadcast television.Concerning Internet video supplier, also wish to utilize as much as possible the more user of limited resource service simultaneously.At this moment the method that the video data of network player is downloaded has just played very crucial effect.
The method that the video data of current existing network player is downloaded adopts C/S (Client Server) pattern, P2P (Peer to Peer) pattern conventionally, and CDN (Content Delivery Network) pattern.Although C/S model can provide higher service quality, the cost of this pattern is higher, especially, when number of users is more, need to dispose more server, and consumes more bandwidth.Although P2P pattern can overcome the shortcoming of C/S model, this pattern can not provide stable service quality to user.CDN pattern, by being deployed in the flow of the CDN node shunting video server of network end-point, alleviated to a certain extent the pressure of video server, but this pattern does not make full use of memory space and the bandwidth of user node, and this pattern cost is also higher simultaneously.Obviously, use existing method, cannot take into account video provider and user's demand simultaneously, as adopt C/S model and CDN pattern, although can guarantee certain quality of server, concerning video provider, cost is higher, adopt P2P pattern, although can reduce ISP's cost, service quality cannot guarantee, and then reduce user's experience.
Therefore, for the content of above-mentioned two aspects, how for network player is determined video data source, can guarantee that user watches the service quality of video by network player, can reduce the cost that service provides again, become those skilled in the art and need one of problem of solution badly.
Summary of the invention
The object of this invention is to provide a kind of method or equipment of downloading for realizing the video data of network player.
According to another aspect of the present invention, also provide a kind of and in P2SP network, determined the method for video data source by the computer implemented network player that is used to, wherein, the method comprises the following steps:
Whether a detects to meet and the video data source of network player is switched to the first trigger condition of P2SP network from video server, wherein, described network player is usingd described video server and as described video data source, is obtained the video data of the target video of being accessed;
B, when meeting described the first trigger condition, according to described target video, determines super node and the ordinary node corresponding with described target video in described P2SP network;
C is updated to described super node and described ordinary node by described video data source.
According to an aspect of the present invention, provide a kind of network player that is used in P2SP network, to determine the controlling equipment of video data source, wherein, this equipment comprises:
The first checkout gear, for detection of whether, meet and the video data source of network player is switched to the first trigger condition of P2SP network from video server, wherein, described network player is usingd described video server and as described video data source, is obtained the video data of the target video of being accessed;
Node determination device for when meeting described the first trigger condition, according to described target video, is determined super node and the ordinary node corresponding with described target video in described P2SP network;
The first updating device, for being updated to described video data source described super node and described ordinary node.
According to a further aspect of the invention, provide a kind of and comprised controlling equipment as above by the network player of video data source for determining at P2SP network.
According to a further aspect of the invention, provide a kind of network player that is used in P2SP network, to determine the video server of video data source, comprised controlling equipment as above.
Compared with prior art, the present invention switches to P2SP network with described target video corresponding super node and ordinary node by the video data source of network player from video server by detecting whether to meet, solve in existing method C/S model and CDN pattern cost higher, the problem that P2P pattern can not guarantee service quality, has advantages of that startup is fast, speed of download is stable, the high ratio of saving.And whether the present invention can also detect and meet described video data source is switched to ordinary node, further having reduced service provides cost.
Accompanying drawing explanation
By reading the detailed description that non-limiting example is done of doing with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 illustrates according to the network player that is used to of one aspect of the invention and in P2SP network, determines the schematic diagram of the controlling equipment of video data source;
The network player that is used to that Fig. 2 illustrates is in accordance with a preferred embodiment of the present invention determined the schematic diagram of the controlling equipment of video data source in P2SP network;
Fig. 3 illustrate according to a further aspect of the present invention by the computer implemented method flow diagram that is used to network player to determine video data source in P2SP network;
Fig. 4 illustrate in accordance with a preferred embodiment of the present invention by the computer implemented method flow diagram that is used to network player to determine video data source in P2SP network.
In accompanying drawing, same or analogous Reference numeral represents same or analogous parts.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 illustrates according to the network player that is used to of one aspect of the invention and in P2SP network, determines controlling equipment 1 schematic diagram of video data source.At this, controlling equipment 1 includes but not limited to the cloud that Set Top Box, individual host, minicomputer, large-scale computer, a plurality of main frame collection, network host, single network server, a plurality of webserver collection or a plurality of server form.At this, cloud consists of a large amount of computers based on cloud computing (Cloud Computing) or the webserver, and wherein, cloud computing is a kind of of Distributed Calculation, the super virtual machine being comprised of the loosely-coupled computer collection of a group.
As shown in Figure 1, picture controlling equipment 1 comprises the first checkout gear 11, node determination device 12, the first updating device 13.
Particularly, whether the first checkout gear 11 detects to meet and the video data source of network player is switched to the first trigger condition of P2SP network from video server.
Wherein, described network player is a kind of equipment of watching video by network, as set-top box device.
Wherein, described network player is usingd described video server as described video data source, obtains the video data of accessed target video.
Wherein, described network P2SP (Peer to Server and to Peer) network, put server and spot net, point (Peer) is network node or terminal, conventionally can be understood as subscriber computer, server (server) is server node, conventionally can be understood as the private server that ISP disposes.P2SP has integrated P2P (Peer to Peer) and P2S (Peer to Server), and aspect stability and speed, P2SP is enhanced than traditional P2P or P2S.
Wherein, described the first trigger condition comprises following at least any one:
-the video data volume that described network player obtains from described video server surpasses predetermined data volume threshold value;
The duration that-described network player obtains video data from described video server surpasses predetermined downloading duration threshold value;
The residue reproduction time of-described network player surpasses predetermined residual time length threshold value;
The broadcasting card of-described network player pauses the quantity of event lower than the predetermined card event threshold of pausing;
The user of-described network player is to carrying out deletion action to video server described in described video data source.
For example, suppose that the video data volume threshold value that network player obtains from described video server is n1, the downloading duration threshold value that network player obtains video data from described video server is n2, the residual time length threshold value of network player is n3, the broadcasting card of the network player event threshold n4 that pauses, when user clicks an Internet video by network player, first network player connects with video server, video server can adopt the mode of authentication to judge whether user can watch this video, when video server licenses to this user and watches this video, network player starts to pass through http protocol, or Real-time Transport Protocol is downloaded from video server and this video resource of buffer memory, whether the first checkout gear 11 detects to meet and the video data source of network player is switched to the first trigger condition of P2SP network from video server simultaneously, satisfied the first trigger condition of P2SP network that the video data source of network player is switched to from video server of following scenario:
Scene 1: the video data volume that network player obtains from described video server is N1, and N1 > n1;
Scene 2: the duration that network player obtains video data from described video server is N2, and N2 > n2;
Scene 3: the residue reproduction time of network player is N3, and N3 > n3;
Scene 4: the broadcasting card event of pausing of network player occurs as N4 time, and N4 < n4, wherein a card event refers to while not having to need the video of broadcasting in the buffer memory of network player at once, be called the secondary card event of pausing, for example the playing sequence of video block is A1-A2-A3-A4, and in progress in player is A1 piece, and what need to read in is A2 piece, but buffer memory does not have the data of A2 piece, this situation is called a secondary card and pauses;
Scene 5: the user of network player carries out deletion action to video server described in described video data source;
When meeting scene 1 to 5 any one, controlling equipment 1 switches to the video data source of network player the first trigger condition of P2SP network from video server.
Those skilled in the art can understand above-mentioned the first trigger condition and detection mode is only for example; other existing or first trigger conditions that may occur from now on or its detection mode are as applicable to the present invention; also should be included in protection range of the present invention, and be contained in this with way of reference.
For example adopt the P2SP network of Chord agreement, wherein Chord agreement is the agreement of a kind of classics in P2P network, Chord adopts SHA-1 as hash function, add the node in Chord network, as computer node etc., and resource, as file resource, use same SHA-1 hash function, each node and resource generate respectively a unique sign, wherein node identification is called node ID (IDentity), resource identification is called Resource Key (key), sign is the character string of 128 bits normally, node forms the network configuration of a ring-type according to Chord agreement, according to Resource Key by the index stores of this resource on Resource Key follow-up (successor) node, resource lookup is realized by concrete Chord routing algorithm, when the first checkout gear 11 detects the video data volume that network player obtains from described video server and surpasses predetermined data volume threshold value n, meet and the video data source of network player is switched to the first trigger condition of P2SP network from video server, network player starts to stop to download this video resource from video server, node determination device 12 has the resource of same asset keyword at P2SP network inquiry and this video by Chord agreement, and obtain super node and the ordinary node address information that has this video resource, and connect with super node and ordinary node wherein, and exchange has the relevant information of this video, and therefrom choose have this network player not candidate's super node of the video resource of buffer memory with candidate's ordinary node as the super node corresponding with this target video and ordinary node, as super node A, ordinary node B and C have the not video resource of buffer memory of this network player, node determination device 12 is determined super node A, ordinary node B and C are respectively super node and ordinary node corresponding with this target video in this P2SP network.
Those skilled in the art can understand above-mentioned passing through according to described target video; the method of the super node corresponding with described target video and ordinary node of determining in described P2SP network is only for giving an example; other existing or may occur from now on according to described target video; the method of determining the super node corresponding with described target video and ordinary node in described P2SP network is as applicable to the present invention; also should be included in protection range of the present invention, and be contained in this with way of reference.
The first updating device 13 is updated to described super node and described ordinary node by described video data source.Be that the webserver will stop from former video server foradownloaded video data, but the super node providing from node determination device 12 and ordinary node, download the video data of this target video.
Preferably, between each device of controlling equipment 1, be continuous firing, particularly, the first checkout gear 11 continues to detect whether satisfied the first trigger condition of P2SP network that the video data source of network player is switched to from video server; Node determination device 12, when meeting described the first trigger condition, according to described target video, continues to determine super node and the ordinary node corresponding with described target video in described P2SP network; The first updating device 13 continues described video data source to be updated to described super node and described ordinary node.Between above-mentioned each device, be constant work, at this, it will be understood by those skilled in the art that " continuing " refers to that above-mentioned each device requires to carry out respectively detection, super node and ordinary node definite of the first trigger condition according to the mode of operation of setting or adjust in real time, and the renewal of video data source, until stop detecting the first trigger condition.
Preferably, node determination device 12 is when meeting described the first trigger condition, according to described target video, and in conjunction with described target video the download progress information in described network player, in described P2SP network, determine super node and the ordinary node corresponding with described target video.
For example adopt the P2SP network of Chord agreement, when the first checkout gear 11 detects the video data volume that network player obtains from described video server and surpasses predetermined data volume threshold value n, meet and the video data source of network player is switched to the first trigger condition of P2SP network from video server, network player starts to stop to download this video resource from video server, node determination device 12 has the resource of same asset keyword at P2SP network inquiry and this video by Chord agreement, and obtain super node and the ordinary node address information that has this video resource, and connect with super node and ordinary node wherein, and exchange has the relevant information of this video, as this network player this video resource of buffer memory 0-5 minute, super node A has this video video resource of 3-5 minute, super node B has this video video resource of 5-10 minute, ordinary node C has this video video resource of 10-15 minute, ordinary node D has this video video resource of 15-17 minute, determining device 12 is determined super node B in conjunction with the download progress information in network player, ordinary node C and D are respectively super node and ordinary node corresponding with this target video in this P2SP network.
Those skilled in the art can understand above-mentioned by the download progress information in described network player in conjunction with described target video, the method of the super node corresponding with described target video and ordinary node of determining in described P2SP network is only for giving an example, the download progress information of target video in described network player described in other combinations existing or that may occur from now on, the method of determining the super node corresponding with described target video and ordinary node in described P2SP network is as applicable to the present invention, also should be included in protection range of the present invention, and be contained in this with way of reference.
Preferably, node determination device 12, when meeting described the first trigger condition, according to described target video, and in conjunction with described P2SP nodes reliability information, is determined super node and the ordinary node corresponding with described target video in described P2SP network.
For example adopt the P2SP network of Chord agreement, the reliability definition of node comprises that line duration is longer, uploading data amount is larger, higher or this three's of uploading bandwidth combination in any, reliability is higher, when the first checkout gear 11 detects the video data volume that network player obtains from described video server and surpasses predetermined data volume threshold value n, meet and the video data source of network player is switched to the first trigger condition of P2SP network from video server, network player starts to stop to download this video resource from video server, node determination device 12 has the resource of same asset keyword at P2SP network inquiry and this video by Chord agreement, and obtain super node and the ordinary node address information that has this video resource, and connect with super node and ordinary node wherein, and exchange has the relevant information of this video, as super node A, ordinary node B, C and D have the not video resource of buffer memory of this network player, the online hours of super node A are 5 hours, ordinary node B, the online hours of C and D are respectively 10 minutes, 1 hour, 2 hours, node determination device 12 is determined super node A according to reliability, ordinary node C is respectively super node and ordinary node corresponding with this target video in this P2SP network.。
Those skilled in the art can understand above-mentioned passing through in conjunction with described P2SP nodes reliability information; the method of the super node corresponding with described target video and ordinary node of determining in described P2SP network is only for giving an example; P2SP nodes reliability information described in other combinations existing or that may occur from now on; the method of determining the super node corresponding with described target video and ordinary node in described P2SP network is as applicable to the present invention; also should be included in protection range of the present invention, and be contained in this with way of reference.
Preferably, node determination device 12 be when meeting described the first trigger condition, according to described target video, and in conjunction with the positional information of described network player, determines super node and the ordinary node corresponding with described target video in described P2SP network.
For example adopt the P2SP network of Chord agreement, node determination device 12 preferably determines that the super node near apart from the position of network player is super node and the ordinary node corresponding with described target video with ordinary node, when the first checkout gear 11 detects the video data volume that network player obtains from described video server and surpasses predetermined data volume threshold value n, meet and the video data source of network player is switched to the first trigger condition of P2SP network from video server, network player starts to stop to download this video resource from video server, node determination device 12 has the resource of same asset keyword at P2SP network inquiry and this video by Chord agreement, and obtain super node and the ordinary node address information that has this video resource, and connect with super node and ordinary node wherein, and exchange has the relevant information of this video, if this network player position is in Beijing, the position of super node A is in Beijing, the position of ordinary node B and C is in Beijing, the position of common D is in Hainan, and A, B, C, D has the not video resource of buffer memory of this network player, node determination device 12 is determined super node A in conjunction with the positional information of described network player, ordinary node B and C are respectively super node and ordinary node corresponding with this target video in this P2SP network.
Those skilled in the art can understand above-mentioned by the positional information in conjunction with described network player; the method of the super node corresponding with described target video and ordinary node of determining in described P2SP network is only for giving an example; the positional information of network player described in other combinations existing or that may occur from now on; the method of determining the super node corresponding with described target video and ordinary node in described P2SP network is as applicable to the present invention; also should be included in protection range of the present invention, and be contained in this with way of reference.
Preferably, controlling equipment 1 also comprises priority setting device (not shown), according to predetermined priority setting, determine respectively described super node and the download priority of described ordinary node in described video data source, for described network player, by described download priority, from described super node and described ordinary node, obtain the video data corresponding with described target video
For example predetermined priority is set to: the downloading data priority of the super node apart from network player position within threshold value m arranges 1, the downloading data priority of the super node apart from network player position outside threshold value m arranges 2, the downloading data priority of the ordinary node apart from network player position within threshold value d arranges 3, the downloading data priority of the ordinary node apart from network player position outside threshold value d arranges 4, and numeral is less represents that priority is higher.Network player is from super node A and B, and ordinary node C and D foradownloaded video data, and priority setting device (not shown) is according to A, B, C, D is apart from the position of network player, A is set, B, C, the priority of D is respectively 1,2, and 3,4, network player can distribute 40% downloading task to A by described download priority, to B, distributes 30% downloading task, to C, distribute 20% downloading task, to D, distribute 10% downloading task.
Those skilled in the art can understand the above-mentioned method arranging by predetermined priority only for giving an example; the method that other predetermined priority existing or that may occur from now on arrange is as applicable to the present invention; also should be included in protection range of the present invention, and be contained in this with way of reference.
More preferably, controlling equipment 1 also comprises priority adjusting device (not shown), obtains described network player and from described ordinary node, obtains the downloading rate of video data; According to described downloading rate, adjust described download priority.
For example network player is from super node A and B, and ordinary node C and D foradownloaded video data, A, B, C, the priority of D is respectively 1,2,3,4, numeral is less represents that priority is higher, and priority adjusting device (not shown) obtains A, B, C, the downloading rate of D is respectively 50kbps, 100kbps, 300kbps, 400kbps, the priority that priority adjusting device (not shown) is adjusted A according to downloading rate is 4, the priority of adjusting B is 3, the priority of adjusting C is 2, and the priority of adjusting D is 1.
Those skilled in the art can understand above-mentioned passing through according to described downloading rate; adjust the method for described download priority only for giving an example; other existing or may occur from now on according to described downloading rate; the method of adjusting described download priority is as applicable to the present invention; also should be included in protection range of the present invention, and be contained in this with way of reference.
Those skilled in the art will be understood that controlling equipment 1 can be integrated on an equipment with network player, also can be integrated on an equipment with the webserver, and can be also an independent equipment.
The network player that is used to that Fig. 2 illustrates is in accordance with a preferred embodiment of the present invention determined controlling equipment 1 schematic diagram of video data source in P2SP network.Referring to Fig. 2, the preferred embodiment is described: particularly, whether the first checkout gear 11 ' detects to meet and the video data source of network player is switched to the first trigger condition of P2SP network from video server; Node determination device 12 ', when meeting described the first trigger condition, according to described target video, is determined super node and the ordinary node corresponding with described target video in described P2SP network; The first updating device 13 ' is updated to described super node and described ordinary node by described video data source; Second detection device 14 ' detects whether meet the second trigger condition that described super node is removed from described video data source; The second updating device 15 ', when meeting described the second trigger condition, is updated to described ordinary node by described video data source.Wherein, the first checkout gear 11 ', node determination device 12 ' and the first updating device 13 ' are same or similar with corresponding intrument shown in Fig. 1 respectively, so locate to repeat no more, and mode is by reference contained in this.
Wherein, described the second trigger condition at least comprises following any one:
The downloading rate that-described network player obtains video data from described ordinary node surpasses the first predetermined downloading rate threshold value;
-described network player obtains the downloading rate of video data lower than the second predetermined downloading rate threshold value from described super node;
-described network player obtains the downloading rate of video data and the ratio of described network player obtains video data downloading rate from described super node from described ordinary node and surpasses predetermined speed ratio threshold value;
-described ordinary node outnumber predetermined number of nodes threshold value;
The user of-described network player carries out and suspends or deletion action super node described in described video data source.
For example, for example network player is from super node A and B, and ordinary node C and D foradownloaded video data, the first downloading rate threshold value 500kbps, the second downloading rate threshold value 100kbps, speed ratio threshold value 4: 1, number of nodes threshold value 1, following scenario meets the second trigger condition that described super node is removed from described video data source:
Scene 1:A, B, C, the downloading rate of D is respectively 50kbps, 100kbps, 300kbps, 400kbps, the downloading rate that network player obtains video data from described ordinary node is that 700kbps surpasses the first predetermined downloading rate threshold value 500kbps;
Scene 2:A, B, C, the downloading rate of D is respectively 50kbps, 30kbps, 300kbps, 400kbps, the downloading rate that network player obtains video data from described super node is that 80kbps is lower than the second predetermined downloading rate threshold value 100kbps;
Scene 3:A, B, C, the downloading rate of D is respectively 50kbps, 30kbps, 300kbps, 400kbps, network player obtains the downloading rate of video data and described network player obtains the downloading rate of video data ratio from described super node is 35: 4 from described ordinary node, surpasses predetermined speed ratio threshold value 4: 1;
Scene 4: the number of ordinary node is 2, surpasses predetermined number of nodes threshold value 1;
Scene 5: the user of network player carries out and suspends or deletion action super node described in described video data source.
Second detection device 14 ' detects and meets above-mentioned 1 to 5 any one, and the second updating device 15 ' is updated to described ordinary node by described video data source.Those skilled in the art will be understood that the implementation of second detection device 14 ' and the second updating device 15 ', identical or basic identical with the first updating device 13 with the first checkout gear 11 respectively, therefore repeat no more, only at this, are contained in by reference this.
Those skilled in the art will be understood that in concrete application, and the first checkout gear and second detection device can be modules independently, can be also the modules integrating.
Those skilled in the art will be understood that in concrete application, and the first updating device and the second updating device can be modules independently, can be also the modules integrating.
Fig. 3 illustrate according to a further aspect of the present invention by the computer implemented method flow diagram that is used to network player to determine video data source in P2SP network.At this, controlling equipment 1 includes but not limited to the cloud that Set Top Box, individual host, minicomputer, large-scale computer, a plurality of main frame collection, network host, single network server, a plurality of webserver collection or a plurality of server form.At this, cloud consists of a large amount of computers based on cloud computing (Cloud Computing) or the webserver, and wherein, cloud computing is a kind of of Distributed Calculation, the super virtual machine being comprised of the loosely-coupled computer collection of a group.
Particularly, in step S1, whether controlling equipment 1 detects to meet and the video data source of network player is switched to the first trigger condition of P2SP network from video server.
Wherein, described network player is a kind of equipment of watching video by network, as set-top box device.
Wherein, described network player is usingd described video server as described video data source, obtains the video data of accessed target video.
Wherein, described network P2SP (Peer to Server and to Peer) network, put server and spot net, point (Peer) is network node or terminal, conventionally can be understood as subscriber computer, server (server) is server node, conventionally can be understood as the private server that ISP disposes.P2SP has integrated P2P (Peer to Peer) and P2S (Peer to Server), and aspect stability and speed, P2SP is enhanced than traditional P2P or P2S.
Wherein, described the first trigger condition comprises following at least any one:
-the video data volume that described network player obtains from described video server surpasses predetermined data volume threshold value;
The duration that-described network player obtains video data from described video server surpasses predetermined downloading duration threshold value;
The residue reproduction time of-described network player surpasses predetermined residual time length threshold value;
The broadcasting card of-described network player pauses the quantity of event lower than the predetermined card event threshold of pausing;
The user of-described network player is to carrying out deletion action to video server described in described video data source.
For example, suppose that the video data volume threshold value that network player obtains from described video server is n1, the downloading duration threshold value that network player obtains video data from described video server is n2, the residual time length threshold value of network player is n3, the broadcasting card of the network player event threshold n4 that pauses, when user clicks an Internet video by network player, first network player connects with video server, video server can adopt the mode of authentication to judge whether user can watch this video, when video server licenses to this user and watches this video, network player starts to pass through http protocol, or Real-time Transport Protocol is downloaded from video server and this video resource of buffer memory, simultaneously in step S1, whether controlling equipment 1 detects to meet and the video data source of network player is switched to the first trigger condition of P2SP network from video server, satisfied the first trigger condition of P2SP network that the video data source of network player is switched to from video server of following scenario:
Scene 1: the video data volume that network player obtains from described video server is N1, and N1 > n1;
Scene 2: the duration that network player obtains video data from described video server is N2, and N2 > n2;
Scene 3: the residue reproduction time of network player is N3, and N3 > n3;
Scene 4: the broadcasting card event of pausing of network player occurs as N4 time, and N4 < n4, wherein a card event refers to while not having to need the video of broadcasting in the buffer memory of network player at once, be called the secondary card event of pausing, for example the playing sequence of video block is A1-A2-A 3-A4, and in progress in player is A1 piece, and what need to read in is A2 piece, but buffer memory does not have the data of A2 piece, this situation is called a secondary card and pauses;
Scene 5: the user of network player carries out deletion action to video server described in described video data source;
When meeting scene 1 to 5 any one, in step S1, controlling equipment 1 switches to the video data source of network player the first trigger condition of P2SP network from video server
Those skilled in the art can understand above-mentioned the first trigger condition and detection mode is only for example; other existing or first trigger conditions that may occur from now on or its detection mode are as applicable to the present invention; also should be included in protection range of the present invention, and be contained in this with way of reference.
In step S2, controlling equipment 1, when meeting described the first trigger condition, according to described target video, is determined super node and the ordinary node corresponding with described target video in described P2SP network.
For example adopt the P2SP network of Chord agreement, wherein Chord agreement is the agreement of a kind of classics in P2P network, Chord adopts SHA-1 as hash function, add the node in Chord network, as computer node etc., and resource, as file resource, use same SHA-1 hash function, each node and resource generate respectively a unique sign, wherein node identification is called node ID (IDentity), resource identification is called Resource Key (key), sign is the character string of 128 bits normally, node forms the network configuration of a ring-type according to Chord agreement, according to Resource Key by the index stores of this resource on Resource Key follow-up (successor) node, resource lookup is realized by concrete Chord routing algorithm, in step S1, when controlling equipment 1 detects the video data volume that network player obtains from described video server and surpasses predetermined data volume threshold value n, meet and the video data source of network player is switched to the first trigger condition of P2SP network from video server, network player starts to stop to download this video resource from video server, in step S2, controlling equipment 1 has the resource of same asset keyword at P2SP network inquiry and this video by Chord agreement, and obtain super node and the ordinary node address information that has this video resource, and connect with super node and ordinary node wherein, and exchange has the relevant information of this video, and therefrom choose have this network player not candidate's super node of the video resource of buffer memory with candidate's ordinary node as the super node corresponding with this target video and ordinary node, as super node A, ordinary node B and C have the not video resource of buffer memory of this network player, in step S2, controlling equipment 1 is determined super node A, ordinary node B and C are respectively super node and ordinary node corresponding with this target video in this P2SP network.
Those skilled in the art can understand above-mentioned passing through according to described target video; the method of the super node corresponding with described target video and ordinary node of determining in described P2SP network is only for giving an example; other existing or may occur from now on according to described target video; the method of determining the super node corresponding with described target video and ordinary node in described P2SP network is as applicable to the present invention; also should be included in protection range of the present invention, and be contained in this with way of reference.
In step S3, controlling equipment 1 is updated to described super node and described ordinary node by described video data source.Be that the webserver will stop from former video server foradownloaded video data, but among step S2, the super node that controlling equipment 1 provides and ordinary node, download the video data of this target video.
Preferably, between each step, be continuous firing, particularly, in step S1, controlling equipment 1 continues to detect whether satisfied the first trigger condition of P2SP network that the video data source of network player is switched to from video server; In step S2, controlling equipment 1, when meeting described the first trigger condition, according to described target video, continues to determine super node and the ordinary node corresponding with described target video in described P2SP network; In step S3, controlling equipment 1 continues described video data source to be updated to described super node and described ordinary node.Between above steps, be constant work, at this, it will be understood by those skilled in the art that " continuing " refers to that above steps requires to carry out respectively detection, super node and ordinary node definite of the first trigger condition according to the mode of operation of setting or adjust in real time, and the renewal of video data source, until stop detecting the first trigger condition.
Preferably, in step S2, controlling equipment 1 is when meeting described the first trigger condition, according to described target video, and in conjunction with described target video the download progress information in described network player, in described P2SP network, determine super node and the ordinary node corresponding with described target video.
For example adopt the P2SP network of Chord agreement, in step S1, when controlling equipment 1 detects the video data volume that network player obtains from described video server and surpasses predetermined data volume threshold value n, meet and the video data source of network player is switched to the first trigger condition of P2SP network from video server, network player starts to stop to download this video resource from video server, in step S2, controlling equipment 1 has the resource of same asset keyword at P2SP network inquiry and this video by Chord agreement, and obtain super node and the ordinary node address information that has this video resource, and connect with super node and ordinary node wherein, and exchange has the relevant information of this video, as this network player this video resource of buffer memory 0-5 minute, super node A has this video video resource of 3-5 minute, super node B has this video video resource of 5-10 minute, ordinary node C has this video video resource of 10-15 minute, ordinary node D has this video video resource of 15-17 minute, in step S2, controlling equipment 1 is determined super node B in conjunction with the download progress information in network player, ordinary node C and D are respectively super node and ordinary node corresponding with this target video in this P2SP network.
Those skilled in the art can understand above-mentioned by the download progress information in described network player in conjunction with described target video, the method of the super node corresponding with described target video and ordinary node of determining in described P2SP network is only for giving an example, the download progress information of target video in described network player described in other combinations existing or that may occur from now on, the method of determining the super node corresponding with described target video and ordinary node in described P2SP network is as applicable to the present invention, also should be included in protection range of the present invention, and be contained in this with way of reference.
Preferably, in step S2, controlling equipment 1 is when meeting described the first trigger condition, according to described target video, and in conjunction with described P2SP nodes reliability information, in described P2SP network, determine super node and the ordinary node corresponding with described target video.
For example adopt the P2SP network of Chord agreement, the reliability definition of node comprises that line duration is longer, uploading data amount is larger, higher or this three's of uploading bandwidth combination in any, reliability is higher, in step S1, when controlling equipment 1 detects the video data volume that network player obtains from described video server and surpasses predetermined data volume threshold value n, meet and the video data source of network player is switched to the first trigger condition of P2SP network from video server, network player starts to stop to download this video resource from video server, in step S2, controlling equipment 1 has the resource of same asset keyword at P2SP network inquiry and this video by Chord agreement, and obtain super node and the ordinary node address information that has this video resource, and connect with super node and ordinary node wherein, and exchange has the relevant information of this video, as super node A, ordinary node B, C and D have the not video resource of buffer memory of this network player, the online hours of super node A are 5 hours, ordinary node B, the online hours of C and D are respectively 10 minutes, 1 hour, 2 hours, in step S2, controlling equipment 1 is determined super node A according to reliability, ordinary node C is respectively super node and ordinary node corresponding with this target video in this P2SP network.。
Those skilled in the art can understand above-mentioned passing through in conjunction with described P2SP nodes reliability information; the method of the super node corresponding with described target video and ordinary node of determining in described P2SP network is only for giving an example; P2SP nodes reliability information described in other combinations existing or that may occur from now on; the method of determining the super node corresponding with described target video and ordinary node in described P2SP network is as applicable to the present invention; also should be included in protection range of the present invention, and be contained in this with way of reference.
Preferably, in step S2, controlling equipment 1 is when meeting described the first trigger condition, according to described target video, and in conjunction with the positional information of described network player, in described P2SP network, determine super node and the ordinary node corresponding with described target video.
For example adopt the P2SP network of Chord agreement, in step S2, controlling equipment 1 preferably determines that the super node near apart from the position of network player is super node and the ordinary node corresponding with described target video with ordinary node, in step S1, when controlling equipment 1 detects the video data volume that network player obtains from described video server and surpasses predetermined data volume threshold value n, meet and the video data source of network player is switched to the first trigger condition of P2SP network from video server, network player starts to stop to download this video resource from video server, in step S2, controlling equipment 1 has the resource of same asset keyword at P2SP network inquiry and this video by Chord agreement, and obtain super node and the ordinary node address information that has this video resource, and connect with super node and ordinary node wherein, and exchange has the relevant information of this video, if this network player position is in Beijing, the position of super node A is in Beijing, the position of ordinary node B and C is in Beijing, the position of common D is in Hainan, and A, B, C, D has the not video resource of buffer memory of this network player, in step S2, controlling equipment 1 is determined super node A in conjunction with the positional information of described network player, ordinary node B and C are respectively super node and ordinary node corresponding with this target video in this P2SP network.
Those skilled in the art can understand above-mentioned by the positional information in conjunction with described network player; the method of the super node corresponding with described target video and ordinary node of determining in described P2SP network is only for giving an example; the positional information of network player described in other combinations existing or that may occur from now on; the method of determining the super node corresponding with described target video and ordinary node in described P2SP network is as applicable to the present invention; also should be included in protection range of the present invention, and be contained in this with way of reference.
Preferably, by the computer implemented method that is used to network player to determine video data source in P2SP network, also comprise step S6 (not shown), in step S6, controlling equipment 1 is according to predetermined priority setting, determine respectively described super node and the download priority of described ordinary node in described video data source, for described network player, by described download priority, from described super node and described ordinary node, obtain the video data corresponding with described target video.
For example predetermined priority is set to: the downloading data priority of the super node apart from network player position within threshold value m arranges 1, the downloading data priority of the super node apart from network player position outside threshold value m arranges 2, the downloading data priority of the ordinary node apart from network player position within threshold value d arranges 3, the downloading data priority of the ordinary node apart from network player position outside threshold value d arranges 4, and numeral is less represents that priority is higher.Network player is from super node A and B, and ordinary node C and D foradownloaded video data, in step S6, controlling equipment 1 is according to A, B, C, D, apart from the position of network player, arranges A, B, C, the priority of D is respectively 1,2,3,4, network player can distribute 40% downloading task to A by described download priority, to B, distribute 30% downloading task, to C, distribute 20% downloading task, to D, distribute 10% downloading task.
Those skilled in the art can understand the above-mentioned method arranging by predetermined priority only for giving an example; the method that other predetermined priority existing or that may occur from now on arrange is as applicable to the present invention; also should be included in protection range of the present invention, and be contained in this with way of reference.
More preferably, by the computer implemented method that is used to network player to determine video data source in P2SP network, also comprise step S7 (not shown), in step S7, controlling equipment 1 obtains the downloading rate of video data for obtaining described network player from described ordinary node; According to described downloading rate, adjust described download priority.
For example network player is from super node A and B, and ordinary node C and D foradownloaded video data, A, B, C, the priority of D is respectively 1,2, and 3,4, numeral is less represents that priority is higher, and in step S7, controlling equipment 1 obtains A, B, C, the downloading rate of D is respectively 50kbps, 100kbps, 300kbps, 400kbps, in step S7, the priority that controlling equipment 1 is adjusted A according to downloading rate is 4, the priority of adjusting B is 3, and the priority of adjusting C is 2, and the priority of adjusting D is 1.
Those skilled in the art can understand above-mentioned passing through according to described downloading rate; adjust the method for described download priority only for giving an example; other existing or may occur from now on according to described downloading rate; the method of adjusting described download priority is as applicable to the present invention; also should be included in protection range of the present invention, and be contained in this with way of reference.
Those skilled in the art will be understood that the controlling equipment 1 of realizing the method can be integrated on an equipment with network player, also can be integrated on an equipment with the webserver, and can be also an independent equipment.
Fig. 4 illustrate in accordance with a preferred embodiment of the present invention by the computer implemented method flow diagram that is used to network player to determine video data source in P2SP network.Referring to Fig. 4, the preferred embodiment is described: particularly, in step S1 ', whether controlling equipment 1 detects to meet and the video data source of network player is switched to the first trigger condition of P2SP network from video server; In step S2 ', controlling equipment 1, when meeting described the first trigger condition, according to described target video, is determined super node and the ordinary node corresponding with described target video in described P2SP network; In step S3 ', controlling equipment 1 is updated to described super node and described ordinary node by described video data source; In step S4 ', controlling equipment 1 detects whether meet the second trigger condition that described super node is removed from described video data source; In step S5 ', controlling equipment 1, when meeting described the second trigger condition, is updated to described ordinary node by described video data source.Wherein, step S1 ', step S2 ' and step S3 ' are same or similar with corresponding step shown in Fig. 3 respectively, so locate to repeat no more, and mode is by reference contained in this.
Wherein, described the second trigger condition at least comprises following any one:
The downloading rate that-described network player obtains video data from described ordinary node surpasses the first predetermined downloading rate threshold value;
-described network player obtains the downloading rate of video data lower than the second predetermined downloading rate threshold value from described super node;
-described network player obtains the downloading rate of video data and the ratio of described network player obtains video data downloading rate from described super node from described ordinary node and surpasses predetermined speed ratio threshold value;
-described ordinary node outnumber predetermined number of nodes threshold value;
The user of-described network player carries out and suspends or deletion action super node described in described video data source.
For example, for example network player is from super node A and B, and ordinary node C and D foradownloaded video data, the first downloading rate threshold value 500kbps, the second downloading rate threshold value 100kbps, speed ratio threshold value 4: 1, number of nodes threshold value 1, following scenario meets the second trigger condition that described super node is removed from described video data source:
Scene 1:A, B, C, the downloading rate of D is respectively 50kbps, 100kbps, 300kbps, 400kbps, the downloading rate that network player obtains video data from described ordinary node is that 700kbps surpasses the first predetermined downloading rate threshold value 500kbps;
Scene 2:A, B, C, the downloading rate of D is respectively 50kbps, 30kbps, 300kbps, 400kbps, the downloading rate that network player obtains video data from described super node is that 80kbps is lower than the second predetermined downloading rate threshold value 100kbps;
Scene 3:A, B, C, the downloading rate of D is respectively 50kbps, 30kbps, 300kbps, 400kbps, network player obtains the downloading rate of video data and described network player obtains the downloading rate of video data ratio from described super node is 35: 4 from described ordinary node, surpasses predetermined speed ratio threshold value 4: 1;
Scene 4: the number of ordinary node is 2, surpasses predetermined number of nodes threshold value 1;
Scene 5: the user of network player carries out and suspends or deletion action super node described in described video data source.
In step S4 ', controlling equipment 1 detects and meets above-mentioned 1 to 5 any one, and in step S5 ', controlling equipment 1 is updated to described ordinary node by described video data source.Those skilled in the art will be understood that the implementation of step S4 ' and step S5 ', identical with step S3 with step S1 or basic identical respectively, therefore repeat no more, only at this, are contained in by reference this.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and in the situation that not deviating from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims rather than above-mentioned explanation, is therefore intended to be included in the present invention dropping on the implication that is equal to important document of claim and all changes in scope.Any Reference numeral in claim should be considered as limiting related claim.In addition, obviously other unit or step do not got rid of in " comprising " word, and odd number is not got rid of plural number.A plurality of unit of stating in device claim or device also can be realized by software or hardware by a unit or device.The first, the second word such as grade is used for representing title, and does not represent any specific order.
Claims (18)
1. by the computer implemented network player that is used to, determine a method for video data source in P2SP network, wherein, the method comprises the following steps:
Whether a detects to meet and the video data source of network player is switched to the first trigger condition of P2SP network from video server, wherein, described network player is usingd described video server and as described video data source, is obtained the video data of the target video of being accessed;
B, when meeting described the first trigger condition, according to described target video, determines super node and the ordinary node corresponding with described target video in described P2SP network;
C is updated to described super node and described ordinary node by described video data source;
Wherein, described the first trigger condition comprises following at least any one:
-the video data volume that described network player obtains from described video server surpasses predetermined data volume threshold value;
The duration that-described network player obtains video data from described video server surpasses predetermined downloading duration threshold value;
The residue reproduction time of-described network player surpasses predetermined residual time length threshold value;
The broadcasting card of-described network player pauses the quantity of event lower than the predetermined card event threshold of pausing;
The user of-described network player carries out deletion action to video server described in described video data source.
2. method according to claim 1, wherein, the method also comprises:
-according to predetermined priority setting, determine respectively described super node and the download priority of described ordinary node in described video data source, for described network player, by described download priority, from described super node and described ordinary node, obtain the video data corresponding with described target video.
3. method according to claim 2, wherein, the method also comprises:
-obtain described network player from described ordinary node, to obtain the downloading rate of video data;
-according to described downloading rate, adjust described download priority.
4. according to the method in any one of claims 1 to 3, wherein, the method also comprises:
-detect whether meet the second trigger condition that described super node is removed from described video data source;
-when meeting described the second trigger condition, described video data source is updated to described ordinary node.
5. method according to claim 4, wherein, described the second trigger condition at least comprises following any one:
The downloading rate that-described network player obtains video data from described ordinary node surpasses the first predetermined downloading rate threshold value;
-described network player obtains the downloading rate of video data lower than the second predetermined downloading rate threshold value from described super node;
-described network player obtains the downloading rate of video data and the ratio of described network player obtains video data downloading rate from described super node from described ordinary node and surpasses predetermined speed ratio threshold value;
-described ordinary node outnumber predetermined number of nodes threshold value;
The user of-described network player carries out and suspends or deletion action super node described in described video data source.
6. method according to claim 1, wherein, described step b comprises:
-when meeting described the first trigger condition, according to described target video, and in conjunction with described target video the download progress information in described network player, in described P2SP network, determine super node and the ordinary node corresponding with described target video.
7. method according to claim 1, wherein, described step b comprises:
-when meeting described the first trigger condition, according to described target video, and in conjunction with described P2SP nodes reliability information, in described P2SP network, determine super node and the ordinary node corresponding with described target video.
8. method according to claim 1, wherein, described step b comprises:
-when meeting described the first trigger condition, according to described target video, and in conjunction with the positional information of described network player, in described P2SP network, determine super node and the ordinary node corresponding with described target video.
9. be used to network player in P2SP network, to determine a controlling equipment for video data source, wherein, this equipment comprises:
The first checkout gear, for detection of whether, meet and the video data source of network player is switched to the first trigger condition of P2SP network from video server, wherein, described network player is usingd described video server and as described video data source, is obtained the video data of the target video of being accessed;
Node determination device for when meeting described the first trigger condition, according to described target video, is determined super node and the ordinary node corresponding with described target video in described P2SP network;
The first updating device, for being updated to described video data source described super node and described ordinary node;
Wherein, described the first trigger condition comprises following at least any one:
-the video data volume that described network player obtains from described video server surpasses predetermined data volume threshold value;
The duration that-described network player obtains video data from described video server surpasses predetermined downloading duration threshold value;
The residue reproduction time of-described network player surpasses predetermined residual time length threshold value;
The broadcasting card of-described network player pauses the quantity of event lower than the predetermined card event threshold of pausing;
The user of-described network player carries out deletion action to video server described in described video data source.
10. controlling equipment according to claim 9, wherein, this equipment also comprises:
Priority setting device, be used for according to predetermined priority setting, determine respectively described super node and the download priority of described ordinary node in described video data source, for described network player, by described download priority, from described super node and described ordinary node, obtain the video data corresponding with described target video.
11. controlling equipments according to claim 10, wherein, this equipment also comprises priority adjusting device, for:
-obtain described network player from described ordinary node, to obtain the downloading rate of video data;
-according to described downloading rate, adjust described download priority.
12. according to the controlling equipment described in any one in claim 9 to 11, and wherein, this equipment also comprises:
Second detection device, meets the second trigger condition that described super node is removed from described video data source for detection of whether;
The second updating device, for when meeting described the second trigger condition, is updated to described ordinary node by described video data source.
13. controlling equipments according to claim 12, wherein, described the second trigger condition at least comprises following any one:
The downloading rate that-described network player obtains video data from described ordinary node surpasses the first predetermined downloading rate threshold value;
-described network player obtains the downloading rate of video data lower than the second predetermined downloading rate threshold value from described super node;
-described network player obtains the downloading rate of video data and the ratio of described network player obtains video data downloading rate from described super node from described ordinary node and surpasses predetermined speed ratio threshold value;
-described ordinary node outnumber predetermined number of nodes threshold value;
The user of-described network player carries out and suspends or deletion action super node described in described video data source.
14. controlling equipments according to claim 9, wherein, described node determination device is used for:
-when meeting described the first trigger condition, according to described target video, and in conjunction with described target video the download progress information in described network player, in described P2SP network, determine super node and the ordinary node corresponding with described target video.
15. controlling equipments according to claim 9, wherein, described node determination device is used for:
-when meeting described the first trigger condition, according to described target video, and in conjunction with described P2SP nodes reliability information, in described P2SP network, determine super node and the ordinary node corresponding with described target video.
16. controlling equipments according to claim 9, wherein, described node determination device is used for:
-when meeting described the first trigger condition, according to described target video, and in conjunction with the positional information of described network player, in described P2SP network, determine super node and the ordinary node corresponding with described target video.
17. 1 kinds comprise the controlling equipment as described in any one in claim 9 to 16 by the network player of video data source for determining at P2SP network.
18. 1 kinds are used to network player in P2SP network, to determine the video server of video data source, comprise the controlling equipment as described in any one in claim 9 to 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110459597.2A CN102547395B (en) | 2011-12-31 | 2011-12-31 | Method and device for determining video data source of network player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110459597.2A CN102547395B (en) | 2011-12-31 | 2011-12-31 | Method and device for determining video data source of network player |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102547395A CN102547395A (en) | 2012-07-04 |
| CN102547395B true CN102547395B (en) | 2014-02-26 |
Family
ID=46353150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110459597.2A Expired - Fee Related CN102547395B (en) | 2011-12-31 | 2011-12-31 | Method and device for determining video data source of network player |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102547395B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103517143A (en) * | 2013-08-29 | 2014-01-15 | 小米科技有限责任公司 | Method, device and terminal device for playing network video |
| CN104333816B (en) * | 2014-11-26 | 2017-10-27 | 北京奇艺世纪科技有限公司 | The determination method and device of downloading mode in a kind of P2P networks |
| CN106604135A (en) * | 2016-12-21 | 2017-04-26 | 深圳市泰普森科技有限公司 | Video playing method based on set top box and set top box |
| CN109587580A (en) * | 2018-11-15 | 2019-04-05 | 湖南快乐阳光互动娱乐传媒有限公司 | Video segmentation method for down loading and system based on adaptive CDN |
| CN109819336B (en) * | 2019-01-31 | 2020-12-04 | 湖南快乐阳光互动娱乐传媒有限公司 | Method and system for downloading fragments based on size of play cache |
| CN110933447B (en) * | 2020-02-18 | 2020-12-01 | 浙江清鹤科技有限公司 | Distributed video service architecture based on small front-end ring |
| EP4075691B1 (en) | 2021-02-20 | 2024-05-01 | Wangsu Science & Technology Co., Ltd. | Resource requesting method and terminal |
| CN112968959B (en) * | 2021-02-20 | 2022-11-04 | 网宿科技股份有限公司 | Resource request method and terminal |
| CN113453038B (en) * | 2021-06-25 | 2022-03-29 | 桂林电子科技大学 | Effectiveness optimal collaborative cache management method under CDN-P2P hybrid architecture |
| CN113490186B (en) * | 2021-08-25 | 2022-10-04 | 深圳市万佳安物联科技股份有限公司 | Cloud video enhanced p2p real-time communication method, system and storage medium |
| CN114666609A (en) * | 2022-03-31 | 2022-06-24 | 北京奇艺世纪科技有限公司 | Video data downloading method and device, electronic equipment and storage medium |
| CN115002557B (en) * | 2022-05-23 | 2024-01-30 | 北京字跳网络技术有限公司 | Network speed prediction method, device, equipment and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1984315A (en) * | 2006-06-09 | 2007-06-20 | 徐礼岗 | Method for realizing P2P direct-broadcast by dynamic broadcasting node technology |
| CN101442558A (en) * | 2008-12-26 | 2009-05-27 | 中国科学院计算技术研究所 | Method and system for providing index service for P2SP network |
| CN101997922A (en) * | 2010-11-19 | 2011-03-30 | 武汉大学 | Cost optimization-based P2P streaming media coverage network topology structure adjustment method |
-
2011
- 2011-12-31 CN CN201110459597.2A patent/CN102547395B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1984315A (en) * | 2006-06-09 | 2007-06-20 | 徐礼岗 | Method for realizing P2P direct-broadcast by dynamic broadcasting node technology |
| CN101442558A (en) * | 2008-12-26 | 2009-05-27 | 中国科学院计算技术研究所 | Method and system for providing index service for P2SP network |
| CN101997922A (en) * | 2010-11-19 | 2011-03-30 | 武汉大学 | Cost optimization-based P2P streaming media coverage network topology structure adjustment method |
Non-Patent Citations (1)
| Title |
|---|
| 贺磊 等.一种具有较低切换时延的覆盖网构造和调度算法.《东南大学学报（自然科学版）》.2008,第38卷第321-324页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102547395A (en) | 2012-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102547395B (en) | Method and device for determining video data source of network player | |
| US10305947B2 (en) | Pre-buffering audio streams | |
| US10567461B2 (en) | Low-latency HTTP live streaming | |
| US9367125B2 (en) | Terminal apparatus for shooting and distributing video data and video-data distribution method | |
| KR20130093675A (en) | Variable bit video streams for adaptive streaming | |
| CA2840106A1 (en) | Offline download method, multimedia file download method and system thereof | |
| US20120143986A1 (en) | Systems and methods for downloading by different processes | |
| US10440082B1 (en) | Adjusting parameter settings for bitrate selection algorithms | |
| JP2017529726A (en) | Client and server operating method for streaming service | |
| US20160219094A1 (en) | System and method of a link surfed http live streaming broadcasting system | |
| CN108881931B (en) | Data buffering method and network equipment | |
| US11765217B1 (en) | Dynamic congestion control through real-time QOS monitoring in video streaming | |
| US20160381127A1 (en) | Systems and methods for dynamic networked peer-to-peer content distribution | |
| US9712580B2 (en) | Pipelining for parallel network connections to transmit a digital content stream | |
| JP2012150809A (en) | System and method for buffering in p2p based streaming service, and system for distributing application for clients to process buffering | |
| CN107920108A (en) | A kind of method for pushing of media resource, client and server | |
| CN112311874A (en) | Media data processing method and device, storage medium and electronic equipment | |
| Kumar et al. | Edge assisted DASH video caching mechanism for multi-access edge computing | |
| JP6342526B2 (en) | Method and system for sharing live broadcast data | |
| US10708667B1 (en) | Combining fragments with different encodings | |
| JP2015170323A (en) | Distribution device and distribution method | |
| US11652876B2 (en) | Assisted delivery service for networks | |
| CN101917328B (en) | Method for locally storing and searching streaming media and network player | |
| Zhanikeev | Multisource Stream Aggregation in the Cloud | |
| Sarker et al. | Performance analysis of video streaming at the edge and core cloud |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20211231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |