CN102547395A - 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
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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 the Internet video technical field, relate in particular to a kind of network player is confirmed video data source in the P2SP network technology that is used to.
Background technology
Along with the continuous development of network technology and computer technology, the appearance of network new technology has made things convenient for people through the internet viewing video.At present people use network player to watch Internet video usually, and network player is a kind ofly to watch the equipment of video through network, like set-top box device.When the user watches video through network player usually, hope to obtain the service quality identical with traditional broadcast television.When hoping in network player, to click a video, can see the content of this video at once as traditional radio and television like the user; When in network player, switching to another video, the user hopes that also handover delay can reach the handover delay of traditional broadcast television.Concerning the Internet video supplier, also hope to utilize Limited resources to serve more user as much as possible simultaneously.The method of the video data of network player download has at this moment just played very crucial effect.
The method that the video data of present existing network player is downloaded adopts C/S (Client Server) pattern, P2P (Peer to Peer) pattern usually, and CDN (Content Delivery Network) pattern.Though C/S model can provide higher service quality, the cost of this pattern is higher, especially at number of users more for a long time, need to dispose the more service device, and consume more bandwidth.Though the P2P pattern can overcome the shortcoming of C/S model, this pattern can not provide stable service quality to the user.The flow of the CDN node shunting video server of CDN pattern through being deployed in network end-point alleviated the pressure of video server to a certain extent, but this pattern does not make full use of the memory space and the bandwidth of user node, and this pattern cost is also higher simultaneously.Obviously, use existing method, can't take into account video provider and user's demand simultaneously; As adopt C/S model and CDN pattern, though can guarantee certain quality of server, cost is higher concerning video provider; Adopt the P2P pattern; Though can reduce ISP's cost, service quality can't guarantee, and then reduce user's experience.
Therefore; To the content of above-mentioned two aspects, how to confirm video data source for network player, watch the service quality of video through network player can guarantee the user; 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 purpose of this invention is to provide method or equipment that a kind of video data that is used to realize network player is downloaded.
According to another aspect of the present invention, also provide a kind of by the computer implemented method that is used to network player definite video data source in the P2SP network, wherein, this method may further comprise the steps:
A detects whether satisfy first trigger condition that the video data source of network player is switched to the P2SP network from video server; Wherein, said network player obtains the video data of the target video of being visited as said video data source with said video server;
B, confirms and corresponding super node of said target video and ordinary node in said P2SP network according to said target video when satisfying said first trigger condition;
C is updated to said super node and said ordinary node with said video data source.
According to an aspect of the present invention, a kind of network player is confirmed video data source in the P2SP network controlling equipment that is used to is provided, wherein, this equipment comprises:
First checkout gear; Be used to detect and whether satisfy first trigger condition that the video data source of network player is switched to the P2SP network from video server; Wherein, said network player obtains the video data of the target video of being visited as said video data source with said video server;
Node is confirmed device, is used for when satisfying said first trigger condition, according to said target video, in said P2SP network, confirms and corresponding super node of said target video and ordinary node;
First updating device is used for said video data source is updated to said super node and said ordinary node.
According to a further aspect of the invention, a kind of network player that is used for confirming at the P2SP network video data source is provided, has comprised aforesaid controlling equipment.
According to a further aspect of the invention, a kind of network player is confirmed video data source in the P2SP network video server that is used to is provided, has comprised aforesaid controlling equipment.
Compared with prior art; Whether the present invention switches to the video data source of network player the P2SP network and corresponding super node of said target video and ordinary node from video server through detecting to satisfy; C/S model and CDN pattern cost are higher in the existing method of solution; The problem that the P2P pattern can not guarantee service quality has the advantage that startup is fast, speed of download is stable, height is practiced thrift ratio.And whether the present invention can also detect to satisfy said video data source is switched to ordinary node, and further having reduced service provides cost.
Description of drawings
Through reading the detailed description of doing with reference to following accompanying drawing that non-limiting example is done, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 illustrates network player is confirmed the controlling equipment of video data source in the P2SP network the sketch map that is used to according to one aspect of the invention;
Fig. 2 illustrates network player is confirmed the controlling equipment of video data source in the P2SP network the sketch map that is used in accordance with a preferred embodiment of the present invention;
Fig. 3 illustrate according to a further aspect of the present invention be used to network player is confirmed video data source in the P2SP network method flow diagram by computer implemented;
Fig. 4 illustrate in accordance with a preferred embodiment of the present invention be used to network player is confirmed video data source in the P2SP network method flow diagram by computer implemented.
Same or analogous Reference numeral is represented same or analogous parts in the accompanying drawing.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Fig. 1 illustrates network player is confirmed video data source in the P2SP network controlling equipment 1 sketch map that is used to according to one aspect of the invention.At this, controlling equipment 1 includes but not limited to the cloud that STB, 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 constitute.At this, cloud is by constituting based on the great amount of calculation machine of cloud computing (Cloud Computing) or the webserver, and wherein, cloud computing is a kind of of Distributed Calculation, a super virtual machine of being made up of the loosely-coupled computer collection of a group.
As shown in Figure 1, picture controlling equipment 1 comprises that first checkout gear 11, node confirm device 12, first updating device 13.
Particularly, first checkout gear 11 detects and whether satisfies first trigger condition that the video data source of network player is switched to the P2SP network from video server.
Wherein, said network player is a kind ofly to watch the equipment of video through network, like set-top box device.
Wherein, said network player as said video data source, obtains the video data of the target video of being visited with said video server.
Wherein, Said network P2SP (Peer to Server and to Peer) network; Promptly put server and spot net, point (Peer) is network node or terminal, is appreciated that usually to be subscriber computer; Server (server) is a server node, is appreciated that the private server of disposing into the ISP usually.P2SP has integrated P2P (Peer to Peer) and P2S (Peer to Server), and aspect stability and speed, P2SP is enhanced than traditional P 2P or P2S.
Wherein, said first trigger condition comprise following at least each:
-said network player surpasses predetermined data volume threshold value from the video data volume that said video server obtains;
-said network player obtains the duration of video data above predetermined downloading duration threshold value from said video server;
The residue reproduction time of-said network player surpasses predetermined residual time length threshold value;
The pause quantity of incident of the broadcast card of-said network player is lower than the predetermined card event threshold of pausing;
The user of-said network player is to carrying out deletion action to video server described in the said video data source.
For example; Suppose that the video data volume threshold value that network player obtains from said video server is n1; Network player is n2 from the downloading duration threshold value that said video server obtains video data, and the residual time length threshold value of network player is n3, the broadcast card of the network player event threshold n4 that pauses; When the user clicks an Internet video through network player; Network player at first connects with video server, and video server can adopt the mode judges of authentication whether can watch this video, when video server licenses to this user and watches this video; Network player begins through http protocol; Or Real-time Transport Protocol downloads from video server and this video resource of buffer memory, and whether first checkout gear 11 detects to satisfy the video data source of network player is switched to first trigger condition of P2SP network from video server simultaneously, and following scenario satisfies first trigger condition that the video data source of network player is switched to the P2SP network from video server:
Scene 1: the video data volume that network player obtains from said video server is N1, and N1＞n1;
Scene 2: network player is N2 from the duration that said video server obtains video data, and N2＞n2;
Scene 3: the residue reproduction time of network player is N3, and N3＞n3;
Scene 4: the broadcast card incident of pausing of network player occurs as N4 time, and N4＜n4, and wherein a card incident is meant when not having horse back to need the video of broadcast in the buffer memory of network player; Be called an once card incident; For example the playing sequence of video blocks is A1-A2-A3-A4, and in progress in the player is the A1 piece, and what need read in is the A2 piece; But buffer memory does not have the data of A2 piece, and this situation is called once to block times;
Scene 5: the user of network player carries out deletion action to video server described in the said video data source;
Satisfy scene 1 to 5 each the time, controlling equipment 1 switches to the video data source of network player first trigger condition of P2SP network from video server.
Those skilled in the art can understand above-mentioned first trigger condition and detection mode is merely for example; Other existing or first trigger conditions that possibly occur from now on or its detection mode are as applicable to the present invention; Also should be included in the protection range of the present invention, and be contained in this with way of reference.
Node is confirmed device 12 when satisfying said first trigger condition, according to said target video, in said P2SP network, confirms and corresponding super node of said target video and ordinary node.
For example adopt the P2SP network of Chord agreement, wherein the Chord agreement is the agreement of a kind of classics in the P2P network, and Chord adopts SHA-1 as hash function; Add the node in the Chord network; Like computer node etc., and resource, like the file resource; Use same SHA-1 hash function; Each node and resource generate a unique sign respectively, and wherein node identification is called node ID (IDentity), and resource identification is called Resource Key (key); Sign is the character string of 128 bits normally; Node is formed the network configuration of a ring-type according to the Chord agreement, according to Resource Key with the index stores of this resource on Resource Key follow-up (successor) node, resource lookup is realized through concrete Chord routing algorithm; When first checkout gear 11 detects the video data volume that network player obtains from said video server and surpasses predetermined data volume threshold value n; Satisfy that promptly the video data source of network player is switched to first trigger condition of P2SP network from video server, network player begins to stop to download this video resource from video server, and node confirms that device 12 has the resource of same asset keyword at P2SP network inquiry and this video through the Chord agreement; And obtain super node and the ordinary node address information that has this video resource; And connect with wherein super node and ordinary node, and exchange has the relevant information of this video, and therefrom chooses and have this network player not candidate's super node and the conduct of candidate's ordinary node and corresponding super node of this target video and ordinary node of the video resource of buffer memory; Like super node A; Ordinary node B and C have the not video resource of buffer memory of this network player, and then node confirms that device 12 confirms super node A, and ordinary node B and C are respectively in this P2SP network and corresponding super node of this target video and ordinary node.
Those skilled in the art can understand above-mentioned passing through according to said target video; In said P2SP network, confirm to be merely for example with the method for corresponding super node of said target video and ordinary node; Other existing or possibly occur from now on according to said target video; The method with corresponding super node of said target video and ordinary node in said P2SP network, confirmed also should be included in the protection range of the present invention, and be contained in this with way of reference as applicable to the present invention.
First updating device 13 is updated to said super node and said ordinary node with said video data source.Be that the webserver will stop from former video server foradownloaded video data, but confirm super node and the ordinary node that device 12 is provided, download the video data of this target video from node.
Preferably, be continuous firing between each device of controlling equipment 1, particularly, first checkout gear 11 continues detection and whether satisfies first trigger condition that the video data source of network player is switched to the P2SP network from video server; Node is confirmed device 12 when satisfying said first trigger condition, according to said target video, in said P2SP network, continues to confirm and corresponding super node of said target video and ordinary node; First updating device 13 continues said video data source is updated to said super node and said ordinary node.Be constant work between above-mentioned each device; At this; It will be understood by those skilled in the art that " continuing " is meant that above-mentioned each device requires to carry out detection, super node and ordinary node definite of first trigger condition respectively according to mode of operation that set or adjustment in real time; And the renewal of video data source, until stopping to detect first trigger condition.
Preferably; Node confirms that device 12 is when satisfying said first trigger condition; According to said target video, and combine the download progress information of said target video in said network player, in said P2SP network, confirm and corresponding super node of said target video and ordinary node.
For example adopt the P2SP network of Chord agreement; When first checkout gear 11 detects the video data volume that network player obtains from said video server and surpasses predetermined data volume threshold value n; Promptly satisfy first trigger condition that the video data source of network player is switched to the P2SP network from video server; Network player begins to stop to download this video resource from video server; Node confirms that device 12 has the resource of same asset keyword through the Chord agreement at P2SP network inquiry and this video, and obtains super node and the ordinary node address information that has this video resource, and connects with wherein super node and ordinary node; And exchange has the relevant information of this video; Like this network player this video resource of buffer memory 0-5 minute, super node A has 3-5 minute video resource of this video, and super node B has 5-10 minute video resource of this video; Ordinary node C has 10-15 minute video resource of this video; Ordinary node D has 15-17 minute video resource of this video, confirms that device 12 combines the download progress information in the network players to confirm super node B, and ordinary node C and D are respectively in this P2SP network and corresponding super node of this target video and ordinary node.
Those skilled in the art can understand above-mentioned through combining the download progress information of said target video in said network player; In said P2SP network, confirm to be merely for example with the method for corresponding super node of said target video and ordinary node; The download progress information of other said target videos of combination existing or that possibly occur from now in said network player; In said P2SP network, confirm with the method for corresponding super node of said target video and ordinary node as applicable to the present invention; Also should be included in the protection range of the present invention, and be contained in this with way of reference.
Preferably, node confirms that device 12 when satisfying said first trigger condition, according to said target video, and combines node point reliability information in the said P2SP network, in said P2SP network, confirms and corresponding super node of said target video and ordinary node.
For example adopt the P2SP network of Chord agreement; The definition of the reliability of node comprises that line duration is longer, upload data volume bigger, upload high more or this three's of bandwidth combination in any; Then reliability is high more; When first checkout gear 11 detects the video data volume that network player obtains from said video server and surpasses predetermined data volume threshold value n, satisfy that promptly the video data source of network player is switched to first trigger condition of P2SP network from video server, network player begins to stop to download this video resource from video server; Node confirms that device 12 has the resource of same asset keyword at P2SP network inquiry and this video through the Chord agreement; And obtain super node and the ordinary node address information that has this video resource, and connect with wherein super node and ordinary node, and exchange has the relevant information of this video; Like super node A; Ordinary node B, C and D have the not video resource of buffer memory of this network player, and the online hours of super node A are 5 hours, and the online hours of ordinary node B, C and D were respectively 10 minutes, 1 hour, 2 hours; Node confirms that device 12 confirms super node A according to reliability, and ordinary node C is respectively in this P2SP network and corresponding super node of this target video and ordinary node.
Those skilled in the art can understand above-mentioned through combining node point reliability information in the said P2SP network; In said P2SP network, confirm to be merely for example with the method for corresponding super node of said target video and ordinary node; Node point reliability information in the said P2SP network of other combinations existing or that possibly occur from now on; In said P2SP network, confirm with the method for corresponding super node of said target video and ordinary node as applicable to the present invention; Also should be included in the protection range of the present invention, and be contained in this with way of reference.
Preferably, node is confirmed device 12 when satisfying said first trigger condition, according to said target video, and combines the positional information of said network player, in said P2SP network, confirms and corresponding super node of said target video and ordinary node.
For example adopt the P2SP network of Chord agreement, node confirm device 12 preferred confirm apart from the near super node in the position of network player and ordinary nodes for and corresponding super node of said target video and ordinary node, when first checkout gear 11 detects the video data volume that network player obtains from said video server and surpasses the data volume threshold value n that is scheduled to; Promptly satisfy first trigger condition that the video data source of network player is switched to the P2SP network from video server; Network player begins to stop to download this video resource from video server, and node confirms that device 12 has the resource of same asset keyword through the Chord agreement at P2SP network inquiry and this video, and obtains super node and the ordinary node address information that has this video resource; And connect with wherein super node and ordinary node; And exchange the relevant information that has this video, in Beijing, the position of super node A is in Beijing like this network player position; 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, and node confirms that device 12 combines the positional information of said network player to confirm super node A, and ordinary node B and C are respectively in this P2SP network and corresponding super node of this target video and ordinary node.
Those skilled in the art can understand above-mentioned through combining the positional information of said network player; In said P2SP network, confirm to be merely for example with the method for corresponding super node of said target video and ordinary node; The positional information of the said network player of other combinations existing or that possibly occur from now on; In said P2SP network, confirm with the method for corresponding super node of said target video and ordinary node as applicable to the present invention; Also should be included in the 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 the preset priority setting; Confirm said super node and the download priority of said ordinary node in said video data source respectively, obtain and the corresponding video data of said target video from said super node and said ordinary node by said download priority for said network player
For example preset priority is set to: the data download priority apart from the super node of network player position within threshold value m is provided with 1; Data download priority apart from the super node of network player position outside threshold value m is provided with 2; Data download priority apart from the ordinary node of network player position within threshold value d is provided with 3; Data download priority apart from the ordinary node of network player position outside threshold value d is provided with 4, and the more little representative priority of numeral is high more.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 provided with A apart from the position of network player, B, C; The priority of D is respectively 1,2, and 3,4; Network player can distribute 40% downloading task to A by said download priority, distributes 30% downloading task to B, distributes 20% downloading task to C, distributes 10% downloading task to D.
Those skilled in the art can understand above-mentioned method through the preset priority setting and be merely for example; The method that other preset priority existing or that possibly occur from now on are provided with is as applicable to the present invention; Also should be included in the 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 said network player obtains video data from said ordinary node downloading rate; According to said downloading rate, adjust said download priority.
For example network player is from super node A and B, and ordinary node C and D foradownloaded video data, A, and B, C, the priority of D is respectively 1; 2,3,4, the more little representative priority of numeral is high more, and priority adjusting device (not shown) obtains A; B, C, the downloading rate of D is respectively 50kbps, 100kbps, 300kbps; 400kbps, priority adjusting device (not shown) is 4 according to the priority of downloading rate adjustment A, and the priority of adjustment B is 3, and the priority of adjustment C is 2, and the priority of adjustment D is 1.
Those skilled in the art can understand above-mentioned passing through according to said downloading rate; The method of adjusting said download priority is merely for example; Other existing or possibly occur from now on according to said downloading rate; The method of adjusting said download priority also should be included in the protection range of the present invention, and be contained in this with way of reference as applicable to the present invention.
Those skilled in the art will be understood that controlling equipment 1 can be integrated on the equipment with network player, also can be integrated on the equipment with the webserver, and also can be an independent equipment.
Fig. 2 illustrates network player is confirmed video data source in the P2SP network controlling equipment 1 sketch map that is used in accordance with a preferred embodiment of the present invention.Followingly with reference to Fig. 2 the preferred embodiment is described: particularly, first checkout gear 11 ' detects whether satisfy first trigger condition that the video data source of network player is switched to the P2SP network from video server; Node is confirmed device 12 ' when satisfying said first trigger condition, according to said target video, in said P2SP network, confirms and corresponding super node of said target video and ordinary node; First updating device 13 ' is updated to said super node and said ordinary node with said video data source; Second checkout gear 14 ' detects whether satisfy second trigger condition that said super node is removed from said video data source; Second updating device 15 ' is updated to said ordinary node when satisfying said second trigger condition with said video data source.Wherein, first checkout gear 11 ', node confirm that device 12 ' and first updating device 13 ' are same or similar with corresponding intrument shown in Figure 1 respectively, so locate to repeat no more, and mode by reference is contained in this.
Wherein, said second trigger condition comprise at least following each:
-said network player surpasses the first predetermined downloading rate threshold value from the downloading rate that said ordinary node obtains video data;
-said network player is lower than the second predetermined downloading rate threshold value from the downloading rate that said super node obtains video data;
-said network player surpasses predetermined speed ratio threshold value from the ratio that said ordinary node obtains the downloading rate of video data and said network player obtains video data from said super node downloading rate;
-said ordinary node outnumber predetermined number of nodes threshold value;
The user of-said network player carries out super node described in the said video data source and suspends or deletion action.
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 satisfies second trigger condition that said super node is removed from said video data source:
Scene 1:A, B, C, the downloading rate of D is respectively 50kbps, 100kbps, 300kbps, 400kbps, network player is that 700kbps surpasses the first predetermined downloading rate threshold value 500kbps from the downloading rate that said ordinary node obtains video data;
Scene 2:A, B, C, the downloading rate of D is respectively 50kbps, 30kbps, 300kbps, 400kbps, network player is that 80kbps is lower than the second predetermined downloading rate threshold value 100kbps from the downloading rate that said super node obtains video data;
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 said network player obtains the downloading rate of video data from said super node ratio is 35: 4 from said 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 super node described in the said video data source and suspends or deletion action.
Each of above-mentioned 1 to 5 satisfied in the 14 ' detection of second checkout gear, and second updating device 15 ' is updated to said ordinary node with said video data source.Those skilled in the art will be understood that the implementation of second checkout gear 14 ' and second updating device 15 ', and are identical or basic identical with first updating device 13 with first checkout gear 11 respectively, so repeat no more, only are contained in this by reference at this.
Those skilled in the art will be understood that in concrete the application, and first checkout gear and second checkout gear can be modules independently, also can be the modules that integrates.
Those skilled in the art will be understood that in concrete the application, and first updating device and second updating device can be modules independently, also can be the modules that integrates.
Fig. 3 illustrate according to a further aspect of the present invention be used to network player is confirmed video data source in the P2SP network method flow diagram by computer implemented.At this, controlling equipment 1 includes but not limited to the cloud that STB, 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 constitute.At this, cloud is by constituting based on the great amount of calculation machine of cloud computing (Cloud Computing) or the webserver, and wherein, cloud computing is a kind of of Distributed Calculation, a super virtual machine of being made up of the loosely-coupled computer collection of a group.
Particularly, in step S1, controlling equipment 1 detects whether satisfy first trigger condition that the video data source of network player is switched to the P2SP network from video server.
Wherein, said network player is a kind ofly to watch the equipment of video through network, like set-top box device.
Wherein, said network player as said video data source, obtains the video data of the target video of being visited with said video server.
Wherein, Said network P2SP (Peer to Server and to Peer) network; Promptly put server and spot net, point (Peer) is network node or terminal, is appreciated that usually to be subscriber computer; Server (server) is a server node, is appreciated that the private server of disposing into the ISP usually.P2SP has integrated P2P (Peer to Peer) and P2S (Peer to Server), and aspect stability and speed, P2SP is enhanced than traditional P 2P or P2S.
Wherein, said first trigger condition comprise following at least each:
-said network player surpasses predetermined data volume threshold value from the video data volume that said video server obtains;
-said network player obtains the duration of video data above predetermined downloading duration threshold value from said video server;
The residue reproduction time of-said network player surpasses predetermined residual time length threshold value;
The pause quantity of incident of the broadcast card of-said network player is lower than the predetermined card event threshold of pausing;
The user of-said network player is to carrying out deletion action to video server described in the said video data source.
For example; Suppose that the video data volume threshold value that network player obtains from said video server is n1, network player is n2 from the downloading duration threshold value that said video server obtains video data, and the residual time length threshold value of network player is n3; The broadcast card of the network player event threshold n4 that pauses; When the user clicked an Internet video through network player, network player at first connected with video server, and video server can adopt the mode judges of authentication whether can watch this video; When video server licenses to this user and watches this video; Network player begins 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 satisfy the video data source of network player is switched to first trigger condition of P2SP network from video server, and following scenario satisfies first trigger condition that the video data source of network player is switched to the P2SP network from video server:
Scene 1: the video data volume that network player obtains from said video server is N1, and N1＞n1;
Scene 2: network player is N2 from the duration that said video server obtains video data, and N2＞n2;
Scene 3: the residue reproduction time of network player is N3, and N3＞n3;
Scene 4: the broadcast card incident of pausing of network player occurs as N4 time, and N4＜n4, and wherein a card incident is meant when not having horse back to need the video of broadcast in the buffer memory of network player; Be called an once card incident; For example the playing sequence of video blocks is A1-A2-A 3-A4, and in progress in the player is the A1 piece, and what need read in is the A2 piece; But buffer memory does not have the data of A2 piece, and this situation is called once to block times;
Scene 5: the user of network player carries out deletion action to video server described in the said video data source;
Satisfy scene 1 to 5 each the time, in step S1, controlling equipment 1 switches to the video data source of network player first trigger condition of P2SP network from video server
Those skilled in the art can understand above-mentioned first trigger condition and detection mode is merely for example; Other existing or first trigger conditions that possibly occur from now on or its detection mode are as applicable to the present invention; Also should be included in the protection range of the present invention, and be contained in this with way of reference.
In step S2, controlling equipment 1, is confirmed and corresponding super node of said target video and ordinary node in said P2SP network according to said target video when satisfying said first trigger condition.
For example adopt the P2SP network of Chord agreement, wherein the Chord agreement is the agreement of a kind of classics in the P2P network, and Chord adopts SHA-1 as hash function; Add the node in the Chord network, like computer node etc., and resource; Like the file resource, use same SHA-1 hash function, each node and resource generate a unique sign respectively; Wherein node identification is called node ID (IDentity), and resource identification is called Resource Key (key), and sign is the character string of 128 bits normally; Node is formed the network configuration of a ring-type according to the Chord agreement; According to Resource Key with the index stores of this resource on Resource Key follow-up (successor) node, resource lookup is realized through concrete Chord routing algorithm, in step S1; When controlling equipment 1 detects the video data volume that network player obtains from said video server and surpasses predetermined data volume threshold value n; Satisfy that promptly the video data source of network player is switched to first trigger condition of P2SP network from video server, network player begins 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 through the Chord agreement; And obtain super node and the ordinary node address information that has this video resource, and connect with wherein super node and ordinary node, and exchange has the relevant information of this video; And therefrom choose and have this network player not candidate's super node and the conduct of candidate's ordinary node and corresponding super node of this target video and ordinary node of the video resource of buffer memory; Like super node A, ordinary node B and C have the not video resource of buffer memory of this network player, then in step S2; Controlling equipment 1 is confirmed super node A, and ordinary node B and C are respectively in this P2SP network and corresponding super node of this target video and ordinary node.
Those skilled in the art can understand above-mentioned passing through according to said target video; In said P2SP network, confirm to be merely for example with the method for corresponding super node of said target video and ordinary node; Other existing or possibly occur from now on according to said target video; The method with corresponding super node of said target video and ordinary node in said P2SP network, confirmed also should be included in the protection range of the present invention, and be contained in this with way of reference as applicable to the present invention.
In step S3, controlling equipment 1 is updated to said super node and said ordinary node with said video data source.Be that the webserver will stop from former video server foradownloaded video data, but among step S2, super node and ordinary node that controlling equipment 1 is provided are downloaded the video data of this target video.
Preferably, be continuous firing between each step, particularly, in step S1, controlling equipment 1 continues detection and whether satisfies first trigger condition that the video data source of network player is switched to the P2SP network from video server; In step S2, controlling equipment 1, continues to confirm and corresponding super node of said target video and ordinary node in said P2SP network according to said target video when satisfying said first trigger condition; In step S3, controlling equipment 1 continues said video data source is updated to said super node and said ordinary node.Between above-mentioned each step constant work; At this; It will be understood by those skilled in the art that " continuing " is meant that above-mentioned each step requires to carry out detection, super node and ordinary node definite of first trigger condition respectively according to mode of operation that set or adjustment in real time; And the renewal of video data source, until stopping to detect first trigger condition.
Preferably; In step S2; Controlling equipment 1 is when satisfying said first trigger condition; According to said target video, and combine the download progress information of said target video in said network player, in said P2SP network, confirm and corresponding super node of said target video and ordinary node.
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 said video server and surpasses predetermined data volume threshold value n, promptly satisfy first trigger condition that the video data source of network player is switched to the P2SP network from video server; Network player begins to stop to download this video resource from video server; In step S2, controlling equipment 1 has the resource of same asset keyword through the Chord agreement at P2SP network inquiry and this video, and obtains super node and the ordinary node address information that has this video resource; And connect with wherein super node and ordinary node; And exchange the relevant information that has this video, like this network player this video resource of buffer memory 0-5 minute, super node A has 3-5 minute video resource of this video; Super node B has 5-10 minute video resource of this video; Ordinary node C has 10-15 minute video resource of this video, and ordinary node D has 15-17 minute video resource of this video, in step S2; Controlling equipment 1 combines the download progress information in the network player to confirm super node B, and ordinary node C and D are respectively in this P2SP network and corresponding super node of this target video and ordinary node.
Those skilled in the art can understand above-mentioned through combining the download progress information of said target video in said network player; In said P2SP network, confirm to be merely for example with the method for corresponding super node of said target video and ordinary node; The download progress information of other said target videos of combination existing or that possibly occur from now in said network player; In said P2SP network, confirm with the method for corresponding super node of said target video and ordinary node as applicable to the present invention; Also should be included in the protection range of the present invention, and be contained in this with way of reference.
Preferably; In step S2, controlling equipment 1 is when satisfying said first trigger condition, according to said target video; And combine node point reliability information in the said P2SP network, in said P2SP network, confirm and corresponding super node of said target video and ordinary node.
For example adopt the P2SP network of Chord agreement, the definition of the reliability of node comprises that line duration is longer, upload data volume bigger, upload high more or this three's of bandwidth combination in any, then reliability is high more; In step S1; When controlling equipment 1 detects the video data volume that network player obtains from said video server and surpasses predetermined data volume threshold value n, satisfy that promptly the video data source of network player is switched to first trigger condition of P2SP network from video server, network player begins to stop to download this video resource from video server; In step S2; Controlling equipment 1 has the resource of same asset keyword through the Chord agreement at P2SP network inquiry and this video, and obtains super node and the ordinary node address information that has this video resource, and connects with wherein super node and ordinary node; And exchange has the relevant information of this video; Like super node A, ordinary node B, C and D have the not video resource of buffer memory of this network player, and the online hours of super node A are 5 hours; The online hours of ordinary node B, C and D were respectively 10 minutes, 1 hour, 2 hours; In step S2, controlling equipment 1 is confirmed super node A according to reliability, and ordinary node C is respectively in this P2SP network and corresponding super node of this target video and ordinary node.。
Those skilled in the art can understand above-mentioned through combining node point reliability information in the said P2SP network; In said P2SP network, confirm to be merely for example with the method for corresponding super node of said target video and ordinary node; Node point reliability information in the said P2SP network of other combinations existing or that possibly occur from now on; In said P2SP network, confirm with the method for corresponding super node of said target video and ordinary node as applicable to the present invention; Also should be included in the protection range of the present invention, and be contained in this with way of reference.
Preferably; In step S2, controlling equipment 1 is when satisfying said first trigger condition, according to said target video; And combine the positional information of said network player, in said P2SP network, confirm and corresponding super node of said target video and ordinary node.
For example adopt the P2SP network of Chord agreement, in step S2, controlling equipment 1 preferred definite super node and ordinary node near apart from the position of network player is and corresponding super node of said target video and ordinary node; In step S1, when controlling equipment 1 detects the video data volume that network player obtains from said video server and surpasses predetermined data volume threshold value n, promptly satisfy first trigger condition that the video data source of network player is switched to the P2SP network from video server; Network player begins to stop to download this video resource from video server, and in step S2, controlling equipment 1 has the resource of same asset keyword at P2SP network inquiry and this video through the Chord agreement; And obtain super node and the ordinary node address information that has this video resource; And connect with wherein super node and ordinary node, and exchange has the relevant information of this video, like this network player position in Beijing; The position of super node A is in Beijing; The position of ordinary node B and C is in Beijing, and the position of common D is in Hainan, and A; B; C, D have the not video resource of buffer memory of this network player, in step S2; Controlling equipment 1 combines the positional information of said network player to confirm super node A, and ordinary node B and C are respectively in this P2SP network and corresponding super node of this target video and ordinary node.
Those skilled in the art can understand above-mentioned through combining the positional information of said network player; In said P2SP network, confirm to be merely for example with the method for corresponding super node of said target video and ordinary node; The positional information of the said network player of other combinations existing or that possibly occur from now on; In said P2SP network, confirm with the method for corresponding super node of said target video and ordinary node as applicable to the present invention; Also should be included in the protection range of the present invention, and be contained in this with way of reference.
Preferably; Confirm that by the computer implemented network player that is used to the method for video data source also comprises step S6 (not shown) in the P2SP network; In step S6; Controlling equipment 1 is confirmed said super node and the download priority of said ordinary node in said video data source respectively according to the preset priority setting, obtains and the corresponding video data of said target video from said super node and said ordinary node by said download priority for said network player.
For example preset priority is set to: the data download priority apart from the super node of network player position within threshold value m is provided with 1; Data download priority apart from the super node of network player position outside threshold value m is provided with 2; Data download priority apart from the ordinary node of network player position within threshold value d is provided with 3; Data download priority apart from the ordinary node of network player position outside threshold value d is provided with 4, and the more little representative priority of numeral is high more.Network player is from super node A and B, and ordinary node C and D foradownloaded video data, and in step S6, controlling equipment 1 is according to A, B; C, D is provided with A apart from the position of network player, B, C; The priority of D is respectively 1,2, and 3,4; Network player can distribute 40% downloading task to A by said download priority, distributes 30% downloading task to B, distributes 20% downloading task to C, distributes 10% downloading task to D.
Those skilled in the art can understand above-mentioned method through the preset priority setting and be merely for example; The method that other preset priority existing or that possibly occur from now on are provided with is as applicable to the present invention; Also should be included in the protection range of the present invention, and be contained in this with way of reference.
More preferably; Confirm that by the computer implemented network player that is used to the method for video data source also comprises step S7 (not shown) in the P2SP network; In step S7, controlling equipment 1 is used to obtain said network player obtains video data from said ordinary node downloading rate; According to said downloading rate, adjust said download priority.
For example network player is from super node A and B, and ordinary node C and D foradownloaded video data, A, and B, C, the priority of D is respectively 1; 2,3,4, the more little representative priority of numeral is high more, 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, controlling equipment 1 is 4 according to the priority of downloading rate adjustment A, and the priority of adjustment B is 3, and the priority of adjustment C is 2, and the priority of adjustment D is 1.
Those skilled in the art can understand above-mentioned passing through according to said downloading rate; The method of adjusting said download priority is merely for example; Other existing or possibly occur from now on according to said downloading rate; The method of adjusting said download priority also should be included in the protection range of the present invention, and be contained in this with way of reference as applicable to the present invention.
Those skilled in the art will be understood that the controlling equipment 1 of this method of realization can be integrated on the equipment with network player, also can be integrated on the equipment with the webserver, and also can be an independent equipment.
Fig. 4 illustrate in accordance with a preferred embodiment of the present invention be used to network player is confirmed video data source in the P2SP network method flow diagram by computer implemented.Followingly with reference to Fig. 4 the preferred embodiment is described: particularly, in step S1 ', controlling equipment 1 detects whether satisfy first trigger condition that the video data source of network player is switched to the P2SP network from video server; In step S2 ', controlling equipment 1, is confirmed and corresponding super node of said target video and ordinary node in said P2SP network according to said target video when satisfying said first trigger condition; In step S3 ', controlling equipment 1 is updated to said super node and said ordinary node with said video data source; In step S4 ', controlling equipment 1 detects whether satisfy second trigger condition that said super node is removed from said video data source; In step S5 ', controlling equipment 1 is updated to said ordinary node when satisfying said second trigger condition with said video data source.Wherein, step S1 ', step S2 ' and step S3 ' are same or similar with corresponding step shown in Figure 3 respectively, so locate to repeat no more, and mode by reference is contained in this.
Wherein, said second trigger condition comprise at least following each:
-said network player surpasses the first predetermined downloading rate threshold value from the downloading rate that said ordinary node obtains video data;
-said network player is lower than the second predetermined downloading rate threshold value from the downloading rate that said super node obtains video data;
-said network player surpasses predetermined speed ratio threshold value from the ratio that said ordinary node obtains the downloading rate of video data and said network player obtains video data from said super node downloading rate;
-said ordinary node outnumber predetermined number of nodes threshold value;
The user of-said network player carries out super node described in the said video data source and suspends or deletion action.
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 satisfies second trigger condition that said super node is removed from said video data source:
Scene 1:A, B, C, the downloading rate of D is respectively 50kbps, 100kbps, 300kbps, 400kbps, network player is that 700kbps surpasses the first predetermined downloading rate threshold value 500kbps from the downloading rate that said ordinary node obtains video data;
Scene 2:A, B, C, the downloading rate of D is respectively 50kbps, 30kbps, 300kbps, 400kbps, network player is that 80kbps is lower than the second predetermined downloading rate threshold value 100kbps from the downloading rate that said super node obtains video data;
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 said network player obtains the downloading rate of video data from said super node ratio is 35: 4 from said 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 super node described in the said video data source and suspends or deletion action.
In step S4 ', each of above-mentioned 1 to 5 satisfied in controlling equipment 1 detection, and in step S5 ', controlling equipment 1 is updated to said ordinary node with said video data source.Those skilled in the art will be understood that the implementation of step S4 ' and step S5 ', and are identical with step S3 with step S1 or basic identical respectively, so repeat no more, only are contained in this by reference at this.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned example embodiment, and under the situation that does not deviate 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 accompanying claims rather than above-mentioned explanation, therefore is intended to the implication of the equivalents that drops on claim and all changes in the scope are included in the present invention.Should any Reference numeral in the claim be regarded as limit related claim.In addition, obviously other unit or step do not got rid of in " comprising " speech, and odd number is not got rid of plural number.A plurality of unit of stating in the device claim or device also can be realized through 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 (20)
1. one kind is used to network player is confirmed video data source in the P2SP network method by computer implemented, and wherein, this method may further comprise the steps:
A detects whether satisfy first trigger condition that the video data source of network player is switched to the P2SP network from video server; Wherein, said network player obtains the video data of the target video of being visited as said video data source with said video server;
B, confirms and corresponding super node of said target video and ordinary node in said P2SP network according to said target video when satisfying said first trigger condition;
C is updated to said super node and said ordinary node with said video data source.
2. method according to claim 1, wherein, this method also comprises:
-according to the preset priority setting; Confirm said super node and the download priority of said ordinary node in said video data source respectively, obtain and the corresponding video data of said target video from said super node and said ordinary node by said download priority for said network player.
3. method according to claim 2, wherein, this method also comprises:
-obtain said network player obtains video data from said ordinary node downloading rate;
-according to said downloading rate, adjust said download priority.
4. according to each described method in the claim 1 to 3, wherein, this method also comprises:
-detect and whether satisfy second trigger condition that said super node is removed from said video data source;
-when satisfying said second trigger condition, said video data source is updated to said ordinary node.
5. method according to claim 4, wherein, said second trigger condition comprise at least following each:
-said network player surpasses the first predetermined downloading rate threshold value from the downloading rate that said ordinary node obtains video data;
-said network player is lower than the second predetermined downloading rate threshold value from the downloading rate that said super node obtains video data;
-said network player surpasses predetermined speed ratio threshold value from the ratio that said ordinary node obtains the downloading rate of video data and said network player obtains video data from said super node downloading rate;
-said ordinary node outnumber predetermined number of nodes threshold value;
The user of-said network player carries out super node described in the said video data source and suspends or deletion action.
6. according to each described method in the claim 1 to 5, wherein, said step b comprises:
-when satisfying said first trigger condition,, and combine the download progress information of said target video in said network player according to said target video, in said P2SP network, confirm and corresponding super node of said target video and ordinary node.
7. according to each described method in the claim 1 to 6, wherein, said step b comprises:
-when satisfying said first trigger condition,, and combine node point reliability information in the said P2SP network according to said target video, in said P2SP network, confirm and corresponding super node of said target video and ordinary node.
8. according to each described method in the claim 1 to 7, wherein, said step b comprises:
-when satisfying said first trigger condition,, and combine the positional information of said network player according to said target video, in said P2SP network, confirm and corresponding super node of said target video and ordinary node.
9. according to each described method in the claim 1 to 8, wherein, said first trigger condition comprise following at least each:
-said network player surpasses predetermined data volume threshold value from the video data volume that said video server obtains;
-said network player obtains the duration of video data above predetermined downloading duration threshold value from said video server;
The residue reproduction time of-said network player surpasses predetermined residual time length threshold value;
The pause quantity of incident of the broadcast card of-said network player is lower than the predetermined card event threshold of pausing;
The user of-said network player is to carrying out deletion action to video server described in the said video data source.
10. one kind is used to network player is confirmed video data source in the P2SP network controlling equipment, and wherein, this equipment comprises:
First checkout gear; Be used to detect and whether satisfy first trigger condition that the video data source of network player is switched to the P2SP network from video server; Wherein, said network player obtains the video data of the target video of being visited as said video data source with said video server;
Node is confirmed device, is used for when satisfying said first trigger condition, according to said target video, in said P2SP network, confirms and corresponding super node of said target video and ordinary node;
First updating device is used for said video data source is updated to said super node and said ordinary node.
11. controlling equipment according to claim 10, wherein, this equipment also comprises:
The priority setting device; Be used for according to the preset priority setting; Confirm said super node and the download priority of said ordinary node in said video data source respectively, obtain and the corresponding video data of said target video from said super node and said ordinary node by said download priority for said network player.
12. controlling equipment according to claim 11, wherein, this equipment also comprises the priority adjusting device, is used for:
-obtain said network player obtains video data from said ordinary node downloading rate;
-according to said downloading rate, adjust said download priority.
13. according to each described controlling equipment in the claim 10 to 12, wherein, this equipment also comprises:
Second checkout gear is used for detecting and whether satisfies second trigger condition that said super node is removed from said video data source;
Second updating device is used for when satisfying said second trigger condition said video data source being updated to said ordinary node.
14. controlling equipment according to claim 13, wherein, said second trigger condition comprise at least following each:
-said network player surpasses the first predetermined downloading rate threshold value from the downloading rate that said ordinary node obtains video data;
-said network player is lower than the second predetermined downloading rate threshold value from the downloading rate that said super node obtains video data;
-said network player surpasses predetermined speed ratio threshold value from the ratio that said ordinary node obtains the downloading rate of video data and said network player obtains video data from said super node downloading rate;
-said ordinary node outnumber predetermined number of nodes threshold value;
The user of-said network player carries out super node described in the said video data source and suspends or deletion action.
15. according to each described controlling equipment in the claim 10 to 14, wherein, said node confirms that device is used for:
-when satisfying said first trigger condition,, and combine the download progress information of said target video in said network player according to said target video, in said P2SP network, confirm and corresponding super node of said target video and ordinary node.
16. according to each described controlling equipment in the claim 10 to 15, wherein, said node confirms that device is used for:
-when satisfying said first trigger condition,, and combine node point reliability information in the said P2SP network according to said target video, in said P2SP network, confirm and corresponding super node of said target video and ordinary node.
17. according to each described controlling equipment in the claim 10 to 16, wherein, said node confirms that device is used for:
-when satisfying said first trigger condition,, and combine the positional information of said network player according to said target video, in said P2SP network, confirm and corresponding super node of said target video and ordinary node.
18. according to each described controlling equipment in the claim 10 to 17, wherein, said first trigger condition comprise following at least each:
-said network player surpasses predetermined data volume threshold value from the video data volume that said video server obtains;
-said network player obtains the duration of video data above predetermined downloading duration threshold value from said video server;
The residue reproduction time of-said network player surpasses predetermined residual time length threshold value;
The pause quantity of incident of the broadcast card of-said network player is lower than the predetermined card event threshold of pausing;
The user of-said network player is to carrying out deletion action to video server described in the said video data source.
19. a network player that is used for confirming at the P2SP network video data source comprises like each described controlling equipment in the claim 10 to 18.
20. one kind is used to network player is confirmed video data source in the P2SP network video server, comprises like each described controlling equipment in the claim 10 to 18.
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| CN110933447A (en) * | 2020-02-18 | 2020-03-27 | 浙江清鹤科技有限公司 | Distributed video service architecture based on small front-end ring |
| WO2022174534A1 (en) * | 2021-02-20 | 2022-08-25 | 网宿科技股份有限公司 | Resource requesting method and terminal |
| US11785075B2 (en) | 2021-02-20 | 2023-10-10 | Wangsu Science & Technology Co., Ltd. | Method for requesting resources 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 |
| CN113453038A (en) * | 2021-06-25 | 2021-09-28 | 桂林电子科技大学 | Effectiveness optimal collaborative cache management method under CDN-P2P hybrid architecture |
| CN113490186A (en) * | 2021-08-25 | 2021-10-08 | 深圳市万佳安物联科技股份有限公司 | Real-time communication method and system for cloud video enhancement p2p |
| 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 |
| CN115002557A (en) * | 2022-05-23 | 2022-09-02 | 北京字跳网络技术有限公司 | Network speed prediction method, device, 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 |
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