CN109361925B - A kind of video flowing accelerated method based on HEVC transcoding - Google Patents
A kind of video flowing accelerated method based on HEVC transcoding Download PDFInfo
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- CN109361925B CN109361925B CN201811356317.3A CN201811356317A CN109361925B CN 109361925 B CN109361925 B CN 109361925B CN 201811356317 A CN201811356317 A CN 201811356317A CN 109361925 B CN109361925 B CN 109361925B
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- 238000004364 calculation method Methods 0.000 claims description 6
- 230000010354 integration Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 22
- 230000015556 catabolic process Effects 0.000 abstract description 4
- 238000006731 degradation reaction Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 5
- 238000004088 simulation Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 230000008859 change Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234309—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 or from Quicktime to Realvideo
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2385—Channel allocation; Bandwidth allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26208—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints
- H04N21/26216—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints involving the channel capacity, e.g. network bandwidth
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- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
The invention discloses a kind of video flowing accelerated methods based on HEVC transcoding, belong to emulation field of cloud computer technology.Currently existing scheme has relatively high requirement when needing to guarantee higher image quality to bandwidth, and in other words, in the lesser situation of bandwidth, picture quality can be serious impacted.The present invention encodes the video stream data of public network using HEVC coding techniques, can effectively reduce public network ambient image data transfers, and then accelerates video flowing transmission.To enable the browser of user normally to parse the HEVC video flowing from public network, the present invention is arranged proxy server and is responsible for specially HEVC video stream transcoding into H.264 video flowing.And in Intranet, network transmission bandwidth has no longer been bottleneck, therefore switches to H.264 video flowing and although increase data volume but not will lead to degradation.
Description
Technical field
The present invention relates to a kind of video flowing accelerated methods based on HEVC transcoding, belong to emulation field of cloud computer technology.
Background technique
Industrial simulation field of cloud calculation there are a kind of calculating service of similar remote desktop, mainly browsed to user
Linux Windows graphical interfaces and corresponding simulation process software service are provided under device environment.The service is related to figure
As data are transmitted, transmission of video service at present is all that the browser of video source server and client are direct-connected, and browser is at present only
It can support that H.264 equal coding techniques, coding techniques HEVC better for newest, effect are not supported also.
Therefore H.264 the video flowing transmitted in public network encodes and is widely used for many years by industry based on H.264 encoding,
It is supported by nearly all major video stream application, however compared with newest video coding technique HEVC, transmitted data amount is one
As in the case of be nearly twice of the latter, compare so current scheme has bandwidth when needing to guarantee higher image quality
High requirement.Since the data volume and picture quality of transmission are positively correlated, in the lesser situation of bandwidth, picture quality can be serious
It is impacted.
Further, video server is due to direct-connected with the browser of each client, the case where requesting identical video flowing
Under, video server needs to establish the video flowing with request equivalent amount, it is ensured that and video flowing can be kept to connect with each client,
But the video image of these connection transmission is identical in fact, therefore can generate bandwidth waste at double in this case.
Summary of the invention
In view of the drawbacks of the prior art, the purpose of the present invention is to provide a kind of reduction public network ambient image data volume biographies
It is defeated, and then accelerate video flowing transmission；And the video based on HEVC transcoding that can carry out data transmission with existing browser
Flow accelerated method.
Another object of the present invention is to provide one kind can be multiplexed identical video flowing connection in subnet, reduces bandwidth wave
The video flowing accelerated method based on HEVC transcoding taken.
To achieve the above object, the technical solution of the present invention is as follows:
A kind of video flowing accelerated method based on HEVC transcoding, comprising the following steps:
The first step goes to encode the video stream data transmitted in public network using HEVC coding techniques；
The HEVC video stream data encoded is transferred to proxy server by second step, public network；
Third step, proxy server is by HEVC video stream transcoding at H.264 video flowing；
H.264 video flowing is transferred to the browser of Intranet by the 4th step, proxy server.
The present invention encodes the video stream data of public network using HEVC coding techniques, can effectively reduce public network environment
Image data amount transmission, and then accelerate video flowing transmission；In the lesser situation of bandwidth, picture quality also can guarantee.To make
The browser of user can normally parse the HEVC video flowing from public network, the present invention be arranged proxy server be responsible for specially by
HEVC video stream transcoding is at H.264 video flowing.And in Intranet, network transmission bandwidth has no longer been bottleneck, therefore is switched to
H.264 although video flowing increases data volume but not will lead to degradation.
It, H.264 can be to proxy server meeting shape since a video flowing to be transcoded into from HEVC as optimization technique measure
At performance burden, therefore can not be serviced without limitation using transcoding, therefore proxy server has the function of dynamic dispatching, it can
It is occupied according to current computing resource load and network bandwidth, the video of video stream server request of the dynamic select into public network
Format guarantees the reasonable distribution of computing resource and network bandwidth.
As optimization technique measure,
User obtains the video stream data of public network by following steps:
S1. more a users pass through browser simultaneously and initiate to request to the video stream server of public network；
S2. these requests can be transferred to proxy server, which determines after scheduling to video flowing
Server initiates the video flowing request of different coding format, and establishes connection with it, at the same time with the browser of each user
Connection is established, it is requested if there is identical video flowing, then one is only had between proxy server and video stream server
Corresponding video connection is established；
S3. video stream server starts the video flowing that the coded format consulted is sent to proxy server；
If S4. proxy server receives the video flowing of HEVC format, transcoding is carried out to it, obtains H.264 format
Video flowing；
S5. proxy server sends corresponding H.264 video flowing to the browser of each user.
The present invention is directed to the user in the same Intranet when requesting same video flowing, passes through proxy server
Support multiplexed video streams connection.I.e. if there is n user in Intranet, while the same video on request video stream server
Stream, it is assumed that each video flowing can normal smooth display video bandwidth that public network server is required be D Mbps, then institute in total
The bandwidth needed is: n*D Mbps.However video flowing required for n user, it is the same video flowing in fact, it is basic without every
It is personal all to request video stream data to video stream server, therefore only need to keep by proxy server and video stream server
One video flowing connection, then all users in Intranet then finally take public network to this Proxy request data
The bandwidth that business device requires is: D Mbps, required bandwidth is only 1/n compared with before, can save bandwidth to the greatest extent, keep away
Exempt from bandwidth waste.Furthermore the load that can also reduce transcoding server is done so, otherwise transcoding server just needs simultaneously to n view
Frequency stream does transcoding, and the scalability that will lead to whole system in this way is severely limited.
As optimization technique measure, proxy server and video stream server integration on one server, can be effective
The efficiency of transmission of video flowing is improved, reduces and extends the time.It, can be because a more node causes video to prolong if the two separated
Increase late, and requirement of the field of cloud calculation of industrial simulation for video flowing low latency is very high.
As optimization technique measure,
Proxy server is scheduled, and GPU total resources number is 1, and network bandwidth resources sum is 1；
Under given resolution ratio and frame per second, GPU resource consumed by a HEVC video flowing is c1, network bandwidth occupancy
For b1, one H.264 GPU resource consumed by video flowing be c2, it is b that network bandwidth, which occupies,2；
The already present H.264 video flowing quantity of current system is m, and HEVC video flowing quantity is n；
For any scheduling, waiting schedule video stream number of requests is T, and the dispatching method must provide HEVC video
Flow quantity mxH.264 video flowing quantity nx, while must assure that the use of GPU resource and network bandwidth resources is not above, this
It is outer generally to provide better image quality because of HEVC, it is more biased towards in use HEVC video flowing.
As optimization technique measure,
The calculation formula of dispatching method is as follows:
mc1+nc2≤1 (1)
mb1+nb2≤1 (2)
(m+mx)c1+(n+nx)c2≤1 (3)
(m+mx)b1+(n+nx)b2≤1 (4)
C1=λ1c2, wherein λ1> 1 (5)
b2=λ2b1, wherein λ2> 1 (6)
mx+nx=T, wherein mx, nx, T >=0 (7)
λ therein1λ2It is c respectively1And c2、b2And b1Ratio, after being simplified, following formula can be obtained:
(m+mx)λ1c2+(n+T-mx)c2≤1 (8)
(m+mx)b1+(n+T-mx)λ2b1≤1 (9)
0≤mx≤T (10)。
The present invention carries out formulation processing to existing GPU total resources number, network bandwidth resources, so calculate GPU with
And the maximum video flowing number of requests that bandwidth is able to bear, rational management resource is carried out according to above-mentioned data, can effectively be promoted
Video flowing efficiency of transmission, avoids the wasting of resources.
As optimization technique measure,
Calculate mxMaximum value:
The dispatching method is increment type, that is to say, that the value of T will not be especially big, therefore is asked using the method for iteration
Solution:
Step 1: if T is 0, output is empty, stops；
Step 2: enabling t=0；
Step 3: enabling mx=T-t；
Step 4: checking whether (8) and (9) are true, if set up, export mxAnd T-mx, stop；
Step 5: if t < T, enables t=t+1, go to step 3；
Step 6: enabling T=T-1, go to step 1.
As optimization technique measure, dispatching method is exported respectively using HEVC and H.264 video flowing quantity, when not being scheduled
Video flowing it is requested, these requests, which can be in waiting list, waits scheduling, and furthermore in fully-loaded case, newcomer asks
Asking can be placed in waiting list, after resource release, can be scheduled to it, scheme is reasonable, practical.
Compared with prior art, the invention has the following advantages:
The present invention encodes the video stream data of public network using HEVC coding techniques, can effectively reduce public network environment
Image data amount transmission, and then accelerate video flowing transmission and promote image transmitting quality.To enable the browser of user
Normal HEVC video flowing of the parsing from public network, the present invention be arranged proxy server be responsible for specially by HEVC video stream transcoding at
H.264 video flowing.And in Intranet, network transmission bandwidth has no longer been bottleneck, although therefore switching to H.264 video flowing increasing
Big data volume but not will lead to degradation.
Further, the present invention is directed to the user in the same Intranet when requesting same video flowing, passes through generation
It manages server and supports multiplexed video streams connection.I.e. if there is n user in Intranet, at the same it is same on request video stream server
One video flowing, it is assumed that each video flowing can the smooth bandwidth for showing that video requires public network server be normally D Mbps, then
Bandwidth needed in total is: n*D Mbps.However video flowing required for n user, it is the same video flowing in fact, at all
Video stream data is requested to video stream server without everyone, therefore is only needed through proxy server and video streaming services
Device keeps a video flowing connection, then all users in Intranet, all to this Proxy request data, then final right
The bandwidth that public network server requires is: D Mbps, required bandwidth is only 1/n compared with before, can be saved to the greatest extent
Bandwidth avoids bandwidth waste.Furthermore the load that can also reduce transcoding server is done so, otherwise transcoding server just needs simultaneously
Transcoding is done to n video flowing, the scalability that will lead to whole system in this way is severely limited.
Detailed description of the invention
Fig. 1 is existing video flowing transmission plan diagram；
Fig. 2 is video flowing transmission plan diagram of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
On the contrary, the present invention covers any substitution done on the essence and scope of the present invention being defined by the claims, repairs
Change, equivalent method and scheme.Further, in order to make the public have a better understanding the present invention, below to of the invention thin
It is detailed to describe some specific detail sections in section description.Part without these details for a person skilled in the art
The present invention can also be understood completely in description.
As shown in Figs. 1-2, a kind of video flowing accelerated method based on HEVC transcoding, comprising the following steps:
The first step goes to encode the video stream data transmitted in public network using HEVC coding techniques；
The HEVC video stream data encoded is transferred to proxy server by second step, public network；
Third step, proxy server is by HEVC video stream transcoding at H.264 video flowing；
H.264 video flowing is transferred to the browser of Intranet by the 4th step, proxy server.
The present invention encodes the video stream data of public network using HEVC coding techniques, can effectively reduce public network environment
Image data amount transmission, and then accelerate video flowing transmission.To enable the browser of user normally to parse from public network
HEVC video flowing, the present invention are arranged proxy server and are responsible for specially HEVC video stream transcoding into H.264 video flowing.And in Intranet
In, network transmission bandwidth is no longer bottleneck, therefore switch to H.264 video flowing although increase data volume but can't
Lead to degradation.
H.264 performance burden can be will form to proxy server since a video flowing to be transcoded into from HEVC, no
It may be serviced without limitation using transcoding, therefore proxy server has the function of dynamic dispatching, can be provided according to current calculating
Source load and network bandwidth occupy, and the video format of video stream server request of the dynamic select into public network guarantees to calculate money
The reasonable distribution in source and network bandwidth.
User of the present invention obtains the video stream data of public network by following steps:
S1. more a users pass through browser simultaneously and initiate to request to the video stream server of public network；
S2. these requests can be transferred to proxy server, which determines after scheduling to video flowing
Server initiates the video flowing request of different coding format, and establishes connection with it, at the same time with the browser of each user
Connection is established, it is requested if there is identical video flowing, then one is only had between proxy server and video stream server
Corresponding video connection is established；
S3. video stream server starts the video flowing that the coded format consulted is sent to proxy server；
If S4. proxy server receives the video flowing of HEVC format, transcoding is carried out to it, obtains H.264 format
Video flowing；
S5. proxy server sends corresponding H.264 video flowing to the browser of each user.
The present invention is directed to the user in the same Intranet when requesting same video flowing, passes through proxy server
Support multiplexed video streams connection.I.e. if there is n user in Intranet, while the same video on request video stream server
Stream, it is assumed that each video flowing can normal smooth display video bandwidth that public network server is required be D Mbps, then institute in total
The bandwidth needed is: n*D Mbps.However video flowing required for n user, it is the same video flowing in fact, it is basic without every
It is personal all to request video stream data to video stream server, therefore only need to keep by proxy server and video stream server
One video flowing connection, then all users in Intranet then finally take public network to this Proxy request data
The bandwidth that business device requires is: D Mbps, required bandwidth is only 1/n compared with before, can save bandwidth to the greatest extent, keep away
Exempt from bandwidth waste.Furthermore the load that can also reduce transcoding server is done so, otherwise transcoding server just needs simultaneously to n view
Frequency stream does transcoding, and the scalability that will lead to whole system in this way is severely limited.
Proxy server and video stream server integration on one server, can effectively improve the transmission effect of video flowing
Rate reduces and extends the time., can be because a more node cause slowed-down video to increase if the two separated, and industrial simulation
Requirement of the field of cloud calculation for video flowing low latency it is very high.
A kind of dispatching method embodiment of the present invention:
Proxy server is scheduled, and GPU total resources number is 1, and network bandwidth resources sum is 1；
Under given resolution ratio and frame per second, GPU resource consumed by a HEVC video flowing is c1, network bandwidth occupancy
For b1, one H.264 GPU resource consumed by video flowing be c2, it is b that network bandwidth, which occupies,2；
The already present H.264 video flowing quantity of current system is m, and HEVC video flowing quantity is n；
The video flowing number of requests for carrying out self terminal is T, and the dispatching method must provide HEVC video flowing quantity mxWith
H.264 video flowing quantity nx, while must assure that the use of GPU resource and network bandwidth resources is not above, additionally since
HEVC can generally provide better image quality, be more biased towards in use HEVC video flowing.
The calculation formula of dispatching method is as follows:
mc1+nc2≤1 (1)
mb1+nb2≤1 (2)
(m+mx)c1+(n+nx)c2≤1 (3)
(m+mx)b1+(n+nx)b2≤1 (4)
c1=λ1c2, wherein λ1> 1 (5)
b2=λ2b1, wherein λ2> 1 (6)
mx+nx=T, where mx, nx, T >=0 (7)
λ therein1λ2It is c respectively1And c2、b2And b1Ratio, after being simplified, following formula can be obtained:
(m+mx)λ1c2+(n+T-mx)c2≤1 (8)
(m+mx)b1+(n+T-mx)λ2b1≤1 (9)
0≤mx≤T (10)。
The present invention carries out formulation processing to existing GPU total resources number, network bandwidth resources, so calculate GPU with
And the maximum video flowing number of requests that bandwidth is able to bear, rational management resource is carried out according to above-mentioned data, can effectively be promoted
Video flowing efficiency of transmission, avoids the wasting of resources.
A kind of calculating m of the present inventionxMaximum value embodiment:
The dispatching method is increment type, that is to say, that the value of T will not be especially big, therefore is asked using the method for iteration
Solution:
Step 1: if T is 0, output is empty, stops
Step 2: enabling t=0
Step 3: enabling mx=T-t
Step 4: checking whether (8) and (9) are true, if set up, export mxAnd T-mx, stop
Step 5: if t < T, enables t=t+1, go to step 3
Step 6: enabling T=T-1, go to step 1.
Dispatching method exports respectively using HEVC and H.264 video flowing quantity, when not scheduled video flowing is requested, this
A little requests can be in waiting list, wait scheduling, and furthermore in fully-loaded case, newcomer's request, which can be placed in, waits team
In column, after resource release, it can be scheduled, scheme is reasonable, practical.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (6)
1. a kind of video flowing accelerated method based on HEVC transcoding, which comprises the following steps:
The first step goes to encode the video stream data transmitted in public network using HEVC coding techniques；
The HEVC video stream data encoded is transferred to proxy server by second step, public network；
Third step, proxy server is by HEVC video stream transcoding at H.264 video flowing；
H.264 video flowing is transferred to the browser of Intranet by the 4th step, proxy server；
Proxy server has the function of dynamic dispatching, can be loaded according to current computing resource and network bandwidth occupies, moved
The video format that state selects the video stream server into public network to request guarantees the reasonable distribution of computing resource and network bandwidth；
Proxy server is scheduled, and GPU total resources number is 1, and network bandwidth resources sum is 1；
Under given resolution ratio and frame per second, GPU resource consumed by a HEVC video flowing is c1, it is b that network bandwidth, which occupies,1,
One H.264 GPU resource consumed by video flowing be c2, it is b that network bandwidth, which occupies,2；
The already present H.264 video flowing quantity of current system is m, and HEVC video flowing quantity is n；
For any scheduling, waiting video flowing number of requests to be scheduled is T, and the dispatching method must provide HEVC video flowing
Quantity mxH.264 video flowing quantity nx, while must assure that the use of GPU resource and network bandwidth resources is not above.
2. a kind of video flowing accelerated method based on HEVC transcoding as described in claim 1, which is characterized in that
User obtains the video stream data of public network by following steps:
S1. more a users pass through browser simultaneously and initiate to request to the video stream server of public network；
S2. these requests can be transferred to proxy server, which determines after scheduling to video streaming services
Device initiates the video flowing request of different coding format, and establishes connection with it, establishes at the same time with the browser of each user
Connection, it is requested if there is identical video flowing, then one is only had between proxy server and video stream server accordingly
Video flowing connection be established；
S3. video stream server starts the video flowing that the coded format consulted is sent to proxy server；
If S4. proxy server receives the video flowing of HEVC format, transcoding is carried out to it, obtains the video of H.264 format
Stream；
S5. proxy server sends corresponding H.264 video flowing to the browser of each user.
3. a kind of video flowing accelerated method based on HEVC transcoding as claimed in claim 2, which is characterized in that proxy server
On one server with video stream server integration.
4. a kind of video flowing accelerated method based on HEVC transcoding a method according to any one of claims 1-3, which is characterized in that
The calculation formula of dispatching method is as follows:
mc1+nc2≤1 (1)
mb1+nb2≤1 (2)
(m+mx)c1+(n+nx)c2≤1 (3)
(m+mx)b1+(n+nx)b2≤1 (4)
c1=λ1c2, wherein λ1> 1 (5)
b2=λ2b1, wherein λ2> 1 (6)
mx+nx=T, wherein mx, nx, T >=0 (7)
λ therein1λ2It is c respectively1And c2、b2And b1Ratio, after being simplified, following formula can be obtained:
(m+mx)λ1c2+(n+T-mx)c2≤1 (8)
(m+mx)b1+(n+T-mx)λ2b1≤1 (9)
0≤mx≤T (10)。
5. a kind of video flowing accelerated method based on HEVC transcoding as claimed in claim 4, which is characterized in that
Calculate mxMaximum value:
The dispatching method is increment type, that is to say, that the value of T will not be especially big, therefore is solved using the method for iteration:
Step 1: if T is 0, output is empty, stops；
Step 2: enabling t=0；
Step 3: enabling mx=T-t；
Step 4: checking whether (8) and (9) are true, if set up, export mxAnd T-mx, stop；
Step 5: if t < T, enables t=t+1, go to step 3；
Step 6: enabling T=T-1, go to step 1.
6. a kind of video flowing accelerated method based on HEVC transcoding as claimed in claim 5, which is characterized in that dispatching method point
HEVC and H.264 video flowing quantity Shu Chu not be used, when not scheduled video flowing is requested, these requests, which can be in, waits team
In column, scheduling is waited, furthermore in fully-loaded case, newcomer's request can be placed in waiting list, discharge it in resource
Afterwards, it can be scheduled.
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Citations (5)
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| CN107147921B (en) * | 2017-05-23 | 2020-11-03 | 北京网梯科技发展有限公司 | Video playing acceleration method and device based on slice and intelligent CDN scheduling |
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