CN110062280A - A kind of video cache management, playback method, system and medium towards P2P - Google Patents
A kind of video cache management, playback method, system and medium towards P2P Download PDFInfo
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- CN110062280A CN110062280A CN201910328604.1A CN201910328604A CN110062280A CN 110062280 A CN110062280 A CN 110062280A CN 201910328604 A CN201910328604 A CN 201910328604A CN 110062280 A CN110062280 A CN 110062280A
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- video cache
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000007726 management method Methods 0.000 claims description 26
- 238000004590 computer program Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000011156 evaluation Methods 0.000 abstract 1
- 239000012634 fragment Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/44004—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video buffer management, e.g. video decoder buffer or video display buffer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/632—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing using a connection between clients on a wide area network, e.g. setting up a peer-to-peer communication via Internet for retrieving video segments from the hard-disk of other client devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
Abstract
The invention discloses a kind of video cache management, playback method, system and medium towards P2P, the present invention obtains P2P seed number of the video cache file in all users of the whole network as P2P seed by client, and according to P2P seed number by video cache file evaluation P2P seed grade；When the video cache for meeting setting clears up condition, according to P2P seed grade, cache-time eliminates video cache file from each video cache file.The present invention invention can allow as far as possible the P2P seed number of each video enough, guarantee that P2P saving rate is in a higher level, so as to achieve the purpose that be further reduced the probability of access CDN, reduce CDN bandwidth expense by monitoring the whole network P2P seed number.
Description
Technical field
The present invention relates to the acceleration techniques of Online Video, and in particular to a kind of video cache management towards P2P, broadcasting side
Method, system and medium.
Background technique
Extensive use in P2P agreement Online Video software at present, in video playing, video software is needed out of CDN(
Content distributing network) foradownloaded video data, by P2P agreement, video software can watched from each or have already viewed this
The equipment of video gets on foradownloaded video data, and other equipment provide data for current device and upload, to reach reduction access CDN
Probability, reduce CDN bandwidth expense.Existing P2P technical solution is constantly in one and continues to optimize, and constantly promotes P2P saving rate
Process.In the key technology for promoting P2P saving rate, how to improve P2P seed utilization rate is a difficult point, if P2P kind
Subnumber is inadequate, will lead to that sharing rate between user is very low, and the bandwidth consumption of CDN is higher.
In conclusion there are the following problems for the P2P technology of the prior art: 1. each video councils are divided into many small fragments,
Each fragment individually pulls, and is buffered in local video and temporally eliminates, and to part fragment, that there may be seed numbers is inadequate, it is necessary to
Video data is requested from CDN, causes bandwidth consumption excessively high；2. the user comprising crucial seed closes software, number can not be provided
According to sharing, leads to that CDN request video data must be rushed, cause bandwidth consumption excessively high.
Summary of the invention
The technical problem to be solved in the present invention: in view of the above problems in the prior art, it is slow to provide a kind of video towards P2P
Deposit management, playback method, system and medium, the present invention invention can allow as far as possible each video by monitoring the whole network P2P seed number
P2P seed number it is enough, guarantee P2P saving rate be in a higher level, so as to reach be further reduced access CDN
Probability, reduce CDN bandwidth expense purpose.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows:
A kind of video cache management method towards P2P, implementation steps include:
1) client obtains P2P seed number of the video cache file in all users of the whole network as P2P seed, and according to
Video cache file is evaluated P2P seed grade by P2P seed number；
2) when the video cache for meeting setting clears up condition, according to P2P seed grade, cache-time is from each video cache
Video cache file is eliminated in file.
Preferably, the video cache file is the video slicing cache file or complete video cache file of video.
Preferably, the execution trigger condition of step 1) is after timing executes or is video cache file download to local.
Preferably, the video cache cleaning condition set in step 2 specifically refers to local cache space and reaches the upper limit.
Preferably, according to P2P seed grade, cache-time superseded video from each video cache file in step 2
The rule used when cache file preferentially eliminates cache-time for preferential eliminate under the video cache file of inferior grade, ad eundem
Longest video cache file.
The video cache management system towards P2P that the present invention also provides a kind of, including computer equipment, the computer equipment
On the storage medium of the step of being programmed to perform the aforementioned video cache management method towards P2P or the computer equipment
Storage is programmed to perform the computer program of the aforementioned video cache management method towards P2P.
The present invention also provides a kind of video cache playback method towards P2P, implementation steps include:
S1) the P2P seed number of other client searched targets video cache files into network, if P2P seed number is more than
Preset threshold then jumps and executes step S2)；Otherwise, it jumps and executes step S3)；
S2 the data of target video cache file) are pulled from other clients using P2P agreement, if data pull fails,
It then jumps and executes step S3)；Otherwise it is jumped after the completion of pulling and executes step S4)；
S3 the data that target video cache file) is pulled from specified content distributing network CDN, jump after the completion of pulling and hold
Row step S4)；
S4) being buffered in target video cache file locally as P2P seed, and play the number of target video cache file
According to；
S5 the step of) executing the aforementioned video cache management method towards P2P.
Preferably, step S1) in target video cache file be target video video slicing cache file or complete
Whole video cache file.
The video cache play system towards P2P that the present invention also provides a kind of, including computer equipment, the computer equipment
On the storage medium of the step of being programmed to perform the aforementioned video cache playback method towards P2P or the computer equipment
Storage is programmed to perform the computer program of the aforementioned video cache playback method towards P2P.
The present invention also provides a kind of computer readable storage medium, it is stored with storage on the computer-readable medium and is compiled
Journey is to execute the computer program of the aforementioned video cache management method towards P2P；Or on the computer readable storage medium
Storage is programmed to perform the computer program of the aforementioned video cache playback method towards P2P.
Compared to the prior art, the present invention has an advantage that the present invention obtains the view as P2P seed by client
P2P seed number of the frequency cache file in all users of the whole network, and video cache file is evaluated by P2P kind according to P2P seed number
Sub- grade；When the video cache for meeting setting clears up condition, according to P2P seed grade, cache-time is slow from each video
It deposits and eliminates video cache file in file.The present invention invention can allow as far as possible each video by monitoring the whole network P2P seed number
P2P seed number is enough, guarantees that P2P saving rate is in a higher level, so that in the kind for being P2P and downloading each video slicing
Subnumber is enough, guarantees that each video slicing energy maximum probability can request that in other equipment, so as to reach into one
Step reduces the probability of access CDN, reduces the purpose of CDN bandwidth expense.
Detailed description of the invention
Fig. 1 is the schematic illustration of present invention method.
Specific embodiment
As shown in Figure 1, the implementation steps of video cache management method of the present embodiment towards P2P include:
1) client obtains P2P seed number of the video cache file in all users of the whole network as P2P seed, and according to
Video cache file is evaluated P2P seed grade by P2P seed number；
2) when the video cache for meeting setting clears up condition, according to P2P seed grade, cache-time is from each video cache
Video cache file is eliminated in file.
In the present embodiment, video cache file is the video slicing cache file of video, furthermore also can according to need reality
Now to the video cache management of complete video cache file.
In the present embodiment, the execution trigger condition of step 1), which can according to need, is selected as timing execution (such real-time
It is relatively more preferable), it furthermore also can according to need after being selected as video cache file download to local.
In the present embodiment, video cache file is evaluated by P2P seed grade according to P2P seed number, seed number gets over multi-grade
Lower, seed number is fewer, and higher grade.In the present embodiment, seed request success rate is divided into following several grades, seed success
Rate is lower, illustrates that p2p effect is poorer.
P5 [0%, 20%)
P4 [20%, 40%)
P3 [40%, 60%)
P2 [60%, 80%)
P1 [80%, 100%)
In the present embodiment, P2P seed grade is set gradually from high to low by five grades of L5, L4, L3, L2, L1 according to grade, and
It is corresponding as follows with seed above-mentioned request success rate:
P5 [0%, 20%) correspond to L5
P4 [20%, 40%) correspond to L4
P3 [40%, 60%) correspond to L3
P2 [60%, 80%) correspond to L2
P1 [80%, 100%) correspond to L1
If certain video cache fragment seed request success rate be P5 [0%, 20%) range, then illustrate that video slicing P2P is asked
Power of hoping for success is very low, needs highest priority storage as P2P seed and provides upload, is set as L5.
In the present embodiment, the video cache cleaning condition set in step 2 specifically refers to local cache space and reaches
Furthermore limit also can according to need using other conditions, such as timing, manual command and its combination of these modes etc..Tool
Body, (setting fixed storage 700MB-1024MB is paid the utmost attention to, remaining storage is not enough then arranged in space when local cache space is full
Space accounting is less than total memory space 10%) when, then determine the video cache cleaning condition for meeting setting.
In the present embodiment, in step 2 according to P2P seed grade, cache-time from each video cache file eliminate
The rule used when video cache file for it is preferential eliminate preferentially to eliminate under the video cache file of inferior grade, ad eundem cached
Time longest video cache file.Such as when memory space is full, preferentially eliminated from front to back in superseded L1 by cache-time, such as
Fruit L1 whole is eliminated, then successively considers L2, L3, L4, L5, until meeting data cached online less than restriction caching.
In addition, the present embodiment also provides a kind of video cache management system towards P2P, including computer equipment, the meter
Calculate the step of machine equipment is programmed to perform the present embodiment aforementioned video cache management method towards P2P or the computer
Storage is programmed to perform the computer of the aforementioned video cache management method towards P2P of the present embodiment on the storage medium of equipment
Program.
Referring to Fig. 1, the present embodiment also provides a kind of video cache playback method towards P2P, and implementation steps include:
S1) the P2P seed number of other client searched targets video cache files into network, if P2P seed number is more than
Preset threshold then jumps and executes step S2)；Otherwise, it jumps and executes step S3)；
S2 the data of target video cache file) are pulled from other clients using P2P agreement, if data pull fails,
It then jumps and executes step S3)；Otherwise it is jumped after the completion of pulling and executes step S4)；
S3 the data that target video cache file) is pulled from specified content distributing network CDN, jump after the completion of pulling and hold
Row step S4)；
S4) being buffered in target video cache file locally as P2P seed, and play the number of target video cache file
According to；
S5 the step of) executing the present embodiment aforementioned video cache management method towards P2P.
In the present embodiment, step S1) in target video cache file be target video video slicing cache file, because
This does not play a video slicing cache file, then needs to be switched to next video slicing cache file until playing
Finish.One new video slicing cache file of every switching, it is necessary to which circulation executes step S1)~S4).Step S5) it then both can be with
Selection is immediately performed after step S4), also be can choose timing and is executed.In addition, step S1) in target video cache file
Can be the complete video cache file of target video, go to step S4 for the first time in this way) it has just downloaded and has finished.
Pass through abovementioned steps S1)~S4), in broadcasting or downloading, a video slicing cache file is pulled, if its
There is the video slicing cache file in his equipment, then pulls the video slicing cache file from other equipment using P2P agreement
Data, if there is no the video slicing cache file in other equipment or having in video slicing cache file but other equipment
Request failure, then pull the video slicing cache file from content distributing network CDN.Content distributing network CDN can be according to certainly
The load balancing of body distributes a server and provides the downloading of the video slicing cache file.
In addition, the present embodiment also provides a kind of video cache play system towards P2P, including computer equipment, the meter
Calculate the step of machine equipment is programmed to perform the present embodiment aforementioned video cache playback method towards P2P or the computer
Storage is programmed to perform the computer of the aforementioned video cache playback method towards P2P of the present embodiment on the storage medium of equipment
Program.
In addition, the present embodiment also provides a kind of computer readable storage medium, it is stored on the computer-readable medium
Storage is programmed to perform the computer program of the aforementioned video cache management method towards P2P of the present embodiment；Or the calculating
Storage is programmed to perform the computer of the aforementioned video cache playback method towards P2P of the present embodiment on machine readable storage medium storing program for executing
Program.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of video cache management method towards P2P, it is characterised in that implementation steps include:
1) client obtains P2P seed number of the video cache file in all users of the whole network as P2P seed, and according to
Video cache file is evaluated P2P seed grade by P2P seed number；
2) when the video cache for meeting setting clears up condition, according to P2P seed grade, cache-time is from each video cache
Video cache file is eliminated in file.
2. the video cache management method according to claim 1 towards P2P, which is characterized in that the video cache text
Part is the video slicing cache file or complete video cache file of video.
3. the video cache management method according to claim 1 towards P2P, which is characterized in that step 1) executes touching
Clockwork spring part is after timing executes or is video cache file download to local.
4. the video cache management method according to claim 1 towards P2P, which is characterized in that set in step 2
Video cache cleaning condition specifically refers to local cache space and reaches the upper limit.
5. the video cache management method according to claim 1 towards P2P, which is characterized in that according to P2P in step 2
The rule that seed grade, cache-time use when eliminating video cache file from each video cache file is eliminated to be preferential
The longest video cache file of cache-time is preferentially eliminated under the video cache file of inferior grade, ad eundem.
6. a kind of video cache management system towards P2P, including computer equipment, which is characterized in that the computer equipment quilt
The step of video cache management method being programmed to carry out described in any one of Claims 1 to 5 towards P2P or the meter
It is slow to calculate the video that storage on the storage medium of machine equipment is programmed to perform described in any one of Claims 1 to 5 towards P2P
Deposit the computer program of management method.
7. a kind of video cache playback method towards P2P, it is characterised in that implementation steps include:
S1) the P2P seed number of other client searched targets video cache files into network, if P2P seed number is more than
Preset threshold then jumps and executes step S2)；Otherwise, it jumps and executes step S3)；
S2 the data of target video cache file) are pulled from other clients using P2P agreement, if data pull fails,
It then jumps and executes step S3)；Otherwise it is jumped after the completion of pulling and executes step S4)；
S3 the data that target video cache file) is pulled from specified content distributing network CDN, jump after the completion of pulling and hold
Row step S4)；
S4) being buffered in target video cache file locally as P2P seed, and play the number of target video cache file
According to；
S5) perform claim require any one of 1~5 described in video cache management method towards P2P the step of.
8. the video cache playback method according to claim 7 towards P2P, which is characterized in that step S1) in target
Video cache file is the video slicing cache file or complete video cache file of target video.
9. a kind of video cache play system towards P2P, including computer equipment, which is characterized in that the computer equipment quilt
The step of being programmed to carry out claim 7 or the 8 video cache playback method towards P2P or the computer equipment
Storage is programmed to perform the computer journey of claim 7 or the 8 video cache playback methods towards P2P on storage medium
Sequence.
10. a kind of computer readable storage medium, it is characterised in that: be stored with storage on the computer-readable medium and be programmed
With the computer program of the video cache management method towards P2P described in any one of perform claim requirement 1~5；Or it should
Storage is programmed to perform claim 7 or the 8 video cache playback methods towards P2P on computer readable storage medium
Computer program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910328604.1A CN110062280A (en) | 2019-04-23 | 2019-04-23 | A kind of video cache management, playback method, system and medium towards P2P |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910328604.1A CN110062280A (en) | 2019-04-23 | 2019-04-23 | A kind of video cache management, playback method, system and medium towards P2P |
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Family
ID=67320309
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Application publication date: 20190726 |