CN105915967A - Method and system of correcting video time-delay - Google Patents
Method and system of correcting video time-delay Download PDFInfo
- Publication number
- CN105915967A CN105915967A CN201610302845.5A CN201610302845A CN105915967A CN 105915967 A CN105915967 A CN 105915967A CN 201610302845 A CN201610302845 A CN 201610302845A CN 105915967 A CN105915967 A CN 105915967A
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- Prior art keywords
- video
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Classifications
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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
- H04N21/26241—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 time of distribution, e.g. the best time of the day for inserting an advertisement or airing a children program
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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
- H04N21/23—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
- H04N21/23805—Controlling the feeding rate to the network, e.g. by controlling the video pump
-
- 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
- H04N21/239—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
- H04N21/2393—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
Abstract
The invention discloses a method and system of correcting video time-delay. The method comprises: obtaining the pushing time of a certain love broadcast video pushed by a server and the playing time of a current live broadcast video played on a client side; comparing the pushing time with the playing time to obtain a difference value; determining whether the difference value is greater than a time threshold value; and if the difference value is greater than a threshold value, requiring the server for a latest live broadcast video and displaying the latest live broadcast video on the cline side. The method solves the problem of abnormal time-delay in video live broadcast in the prior art, guarantees live broadcast video instantaneity and improves user experiences under the condition of interrupted flow or video buffering.
Description
Technical field
It relates to video technique field, correct the method and system of video time delay particularly to a kind of sound.
Background technology
Under normal circumstances, when live video, regard to client terminal playing from the time of server push video
The time of frequency is typically, less than three seconds, when client receives video, to need to solve video
Code rear can play.
When live video, if server occurs cutout or video to buffer, client can be caused
Time delay would generally be bigger.Especially when the bandwidth of client and server is little, live time delay can be caused
Extending, Consumer's Experience is bad.
Summary of the invention
The purpose of the disclosure is to provide a kind of method and system correcting video time delay, and the disclosure solves existing
There is live video in technology that the problem of abnormal time delay occurs, pass through above method, it is possible to stopping or regarding
In the case of frequency buffers, it is ensured that the real-time that live video is play, improve Consumer's Experience.
For solving the problems referred to above, an aspect of this disclosure provides a kind of method correcting video time delay,
Described method includes: obtain the time that pushes of a certain live video of server push and working as of client terminal playing
The reproduction time of front live video；By poor to described propelling movement time and described reproduction time, obtain difference；
Judge that whether described difference is more than time threshold；If described difference is more than time threshold, then please to server
Seek up-to-date live video and at video up-to-date described in client terminal playing.
Wherein, when described difference is less than or equal to described time threshold, continue to obtain server push always
Broadcast propelling movement time and the reproduction time of client terminal playing live video of video.
Wherein, described to the up-to-date live video of server request and at video up-to-date described in client terminal playing
Step, comprising: user end to server sends video request；Server please based on described video playback
Ask, up-to-date live video is sent to client；After client receives described up-to-date live video, will
The current live video play is removed, and described up-to-date live video is decoded and is shown.
Wherein, described up-to-date live video is the live video that present system time is corresponding.
Another aspect of the disclosure provides a kind of system correcting video time delay, and described system includes:
Time acquisition unit, for obtaining propelling movement time and the client terminal playing of a certain live video of server push
The reproduction time of current live video；Difference computational unit, during by the described propelling movement time with described broadcasting
Intercropping is poor, obtains difference；Judging unit, is used for judging that whether described difference is more than time threshold；Video
Request unit, is used for when described difference is more than time threshold, to the up-to-date live video of server request also
At video up-to-date described in client terminal playing.
Wherein, when the judged result of judging unit is described difference less than or equal to described time threshold, during return
Between acquiring unit, by time acquisition unit continue obtain a certain live video of server push the propelling movement time
Reproduction time with client terminal playing live video.
Wherein, described video request unit includes: request transmitting unit, please for sending video to server
Ask；Video transmitting element, for asking based on described video playback, is sent to visitor by up-to-date live video
Family end；Video display unit is for after receiving described up-to-date live video, current straight by play
Broadcast video to remove, described up-to-date live video is decoded and shows.
Wherein, described up-to-date live video is the live video that present system time is corresponding.
The disclosure solves live video in prior art and the problem of abnormal time delay occurs, by above method,
Can be in the case of cutout or video buffer, it is ensured that the real-time that live video is play, improve
Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the method correcting video time delay of the disclosure；
Fig. 2 is the structural representation of the system correcting video time delay of the disclosure；
Fig. 3 is the structural representation of the system correcting video time delay of the disclosure；
Fig. 4 is the structural representation of the video request unit of the disclosure.
Detailed description of the invention
For making the purpose of the disclosure, technical scheme and advantage of greater clarity, below in conjunction with being embodied as
Mode referring to the drawings, further describes the disclosure.It should be understood that these describe simply example
Property, and it is not intended to limit the scope of the present disclosure.Additionally, in the following description, eliminate known knot
Structure and the description of technology, to avoid unnecessarily obscuring the concept of the disclosure.
Fig. 1 is the schematic flow sheet of the method correcting video time delay of the disclosure.
As it is shown in figure 1, the method correcting video time delay of the disclosure, comprise the steps:
Step S1, obtains the time that pushes of a certain live video of server push and the current of client terminal playing
The reproduction time of live video.
In this step, obtain a certain live video of server push pushes time and client terminal playing
The reproduction time of current live video.For example, it is assumed that server promotes the propelling movement time of a certain live video
Being 6: 30: 20, the reproduction time of the current live video of client terminal playing is 6: 30 15
Second, what i.e. client was currently playing is the picture of 6: 30: 15, obtains this propelling movement time and this is broadcast
Put the time.
Step S2, by poor to described propelling movement time and described reproduction time, obtains difference.
In this step, by poor to described propelling movement time and described reproduction time, obtain difference.Accept above-mentioned
Example, by poor to propelling movement time (6: 30: 20) and reproduction time (6: 30 15),
By 5 seconds.
Step S3, it is judged that whether described difference is more than time threshold.
In this step, it is judged that whether described difference is more than time threshold.Here it is possible to arrange time threshold
It is 3 seconds or other numerical value.
Under normal circumstances, time threshold is defaulted as 3 seconds, if the difference of propelling movement time and reproduction time does not surpasses
Spend 3 seconds, then it represents that be normal time delay；If the difference of propelling movement time and reproduction time was more than 3 seconds, then table
Show that abnormal time delay occurs in picture, it may be possible to occur that buffering occur in cutout or video.
Step S4, if described difference is more than time threshold, then to the up-to-date live video of server request and
Up-to-date video described in client terminal playing.
In this step, if propelling movement time and reproduction time were more than 3 seconds, then judge that time delay occurs in picture, this
Time show described up-to-date video to the up-to-date live video of server request and in client.Wherein, described
New live video is the live video that present system time is corresponding.
Pass through above method, it is possible to when time delay occurs in picture, request to up-to-date live picture, and visitor
Family end shows described up-to-date live picture, it is ensured that the real-time that live video is play, and improves Consumer's Experience.
Further, step S5, when described difference is less than or equal to described time threshold, continues to obtain service
Device pushes propelling movement time and the reproduction time of client terminal playing live video of a certain live video.
In this step, when described difference is less than or equal to described time threshold, represent that time delay does not occurs in picture,
That now continues to obtain a certain live video of server push pushes time and client terminal playing live video
Reproduction time.
Fig. 2 is the schematic flow sheet of step S4 of the disclosure.
As in figure 2 it is shown, abovementioned steps S4 farther includes:
Step S41, user end to server sends video request.
Step S42, server is asked based on described video playback, and up-to-date live video is sent to client
End.
Step S43, after client receives described up-to-date live video, the current live video that will play
Remove, described up-to-date live video is decoded and shows.
Fig. 3 is the structural representation of the system correcting video time delay of the disclosure.
As it is shown on figure 3, the system correcting video time delay of the disclosure, described system includes: 5. one kind is entangled
Face the system of frequency delay, it is characterised in that described system includes: time acquisition unit 10, difference meter
Calculate unit 20, judging unit 30 and video request unit 40.
Time acquisition unit 10, for obtaining propelling movement time and the client of a certain live video of server push
The reproduction time of the current live video that end is play.
Difference computational unit 20 is connected with described time acquisition unit 10, by the described propelling movement time with described
Reproduction time is poor, obtains difference.
Judging unit 30 is connected with time acquisition unit 10 and difference computational unit 20 respectively, is used for judging
Whether described difference is more than time threshold.
Video request unit 40 is connected with described judging unit 30, for when described difference is more than time threshold
During value, to the up-to-date live video of server request and at video up-to-date described in client terminal playing.Wherein, institute
Stating up-to-date live video is the live video that present system time is corresponding.
Further, when the judged result of judging unit 30 is that described difference is less than or equal to described time threshold,
Time of return acquiring unit 10, is continued to obtain that server push is a certain live to be regarded by time acquisition unit 20
The propelling movement time of frequency and the reproduction time of client terminal playing live video.
Fig. 4 is the structural representation of the video request unit of the disclosure.
As shown in Figure 4, described video request unit 40 farther includes: request transmitting unit 41, regard
Frequently transmitting element 42 and video display unit 43.
Request transmitting unit 41, for sending video request to server.
Video transmitting element 42 is connected with described request transmitting unit 41, for based on described video playback
Request, is sent to client by up-to-date live video.
Video display unit 43 is connected with described video transmitting element 42, for receive described up-to-date
After live video, the current live video play is removed, described up-to-date live video is decoded also
Display.
The concrete flow process that performs of above-mentioned each module sees the description of method part, is not repeating.
As it has been described above, describe the method and system correcting video time delay of the disclosure, disclosure solution in detail
In prior art of having determined, there is the problem of abnormal time delay in live video, passes through above method, it is possible in cutout
Or in the case of video buffers, it is ensured that the real-time that live video is play, improve Consumer's Experience.
It should be appreciated that the above-mentioned detailed description of the invention of the disclosure is used only for exemplary illustration or explanation
The principle of the disclosure, and do not constitute restriction of this disclosure.Therefore, without departing from the disclosure spirit and
Any modification, equivalent substitution and improvement etc. done in the case of scope, should be included in the guarantor of the disclosure
Within the scope of protecting.Additionally, disclosure claims be intended to fall into scope and
Whole in the equivalents on border or this scope and border change and modifications example.
Claims (8)
1. the method correcting video time delay, for correcting the live video time delay of client, it is special
Levying and be, described method includes:
Obtain a certain live video of server push pushes time and the current live of client terminal playing
The reproduction time of video；
By poor to described propelling movement time and described reproduction time, obtain difference；
Judge that whether described difference is more than time threshold；
If described difference is more than time threshold, then to the up-to-date live video of server request and in client
Play described up-to-date video.
Method the most according to claim 1, wherein,
When described difference is less than or equal to described time threshold, continue to obtain server push a certain live
The propelling movement time of video and the reproduction time of client terminal playing live video.
3. according to the method described in any one of claim 1-2, wherein, described to server request
Newly live video the step at video up-to-date described in client terminal playing, comprising:
User end to server sends video request；
Server is asked based on described video playback, and up-to-date live video is sent to client；
After client receives described up-to-date live video, the current live video play is removed, right
Described up-to-date live video is decoded and shows.
Method the most according to claim 3, wherein, described up-to-date live video is current system
The live video that time is corresponding.
5. the system correcting video time delay, it is characterised in that described system includes:
Time acquisition unit (10), for obtaining the propelling movement time of a certain live video of server push
Reproduction time with the current live video of client terminal playing；
Difference computational unit (20), by poor to described propelling movement time and described reproduction time, poor
Value；
Judging unit (30), is used for judging that whether described difference is more than time threshold；
Video request unit (40), for when described difference is more than time threshold, asking to server
Seek up-to-date live video and at video up-to-date described in client terminal playing.
System the most according to claim 5, wherein, when the judged result of judging unit (30)
For described difference less than or equal to described time threshold, time of return acquiring unit (10), obtain the time
Take unit (20) and continue to obtain propelling movement time and the client terminal playing of a certain live video of server push
The reproduction time of live video.
7. according to the system described in any one of claim 5-6, wherein, described video request unit (40)
Including:
Request transmitting unit (41), for sending video request to server；
Video transmitting element (42), for asking based on described video playback, by up-to-date live video
It is sent to client；
Video display unit (43), for after receiving described up-to-date live video, by play
Current live video is removed, and described up-to-date live video is decoded and is shown.
System the most according to claim 7, wherein, described up-to-date live video is current system
The live video that time is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610302845.5A CN105915967A (en) | 2016-05-09 | 2016-05-09 | Method and system of correcting video time-delay |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610302845.5A CN105915967A (en) | 2016-05-09 | 2016-05-09 | Method and system of correcting video time-delay |
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| CN105915967A true CN105915967A (en) | 2016-08-31 |
Family
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| CN201610302845.5A Pending CN105915967A (en) | 2016-05-09 | 2016-05-09 | Method and system of correcting video time-delay |
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Cited By (5)
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| CN106454433A (en) * | 2016-10-20 | 2017-02-22 | 央视国际网络无锡有限公司 | Live broadcast signal delay processing method and apparatus |
| CN106851340A (en) * | 2017-02-10 | 2017-06-13 | 聚好看科技股份有限公司 | Video stream pushing method and device |
| CN108513149A (en) * | 2017-02-28 | 2018-09-07 | 北京新唐思创教育科技有限公司 | A kind of live streaming delay testing method and its device |
| CN108900906A (en) * | 2018-06-19 | 2018-11-27 | 网宿科技股份有限公司 | A kind of delay control method and device of live video stream |
| CN109547810A (en) * | 2018-12-28 | 2019-03-29 | 北京奇艺世纪科技有限公司 | A kind of live broadcasting method and device |
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