CN105100830B - A kind of device and method for being switched fast video source based on video aggregation service - Google Patents
A kind of device and method for being switched fast video source based on video aggregation service Download PDFInfo
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- CN105100830B CN105100830B CN201510438116.8A CN201510438116A CN105100830B CN 105100830 B CN105100830 B CN 105100830B CN 201510438116 A CN201510438116 A CN 201510438116A CN 105100830 B CN105100830 B CN 105100830B
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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
- H04N21/26258—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 for generating a list of items to be played back in a given order, e.g. playlist, or scheduling item distribution according to such list
-
- 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
- H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
- H04N21/2405—Monitoring of the internal components or processes of the server, e.g. server load
-
- 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
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
-
- 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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
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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]
- H04N21/40—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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
-
- 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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
Abstract
The device and method for being switched fast video source based on video aggregation service that the present invention relates to a kind of choose the highest video source of Sort Priority as the first video source and start buffered play including carrying out priority ranking to the video source list prestored.Meanwhile under the premise of not influencing the first video source buffering, the second video source is buffered.When the first video source plays failure, start to play the second video source.When second video source starts to play, under the premise of not influencing the second video source buffering, third video source is buffered.The present invention is preferential to play highest first video source of priority level by the way that video source to be ranked up.When playing the first video source, in the case where not influencing the first video source, the second video source is buffered.When playing the first video source Caton, the second video source is switched to without waiting for directly playing out.Reduce the waiting time, improves the usage experience of client.
Description
Technical field
The present invention relates to video aggregation service technical field more particularly to a kind of being switched fast based on video aggregation service
The device and method of video source.
Background technique
In recent years, with the development of science and technology, the terminal devices such as mobile phone, tablet computer be increasingly becoming people life in must
Indispensable a part, the continuous development of network technology in addition, so that people can use the viewing of these terminal devices online
Video, to work and amusement brings great convenience.
With being widely current for Online Video service, a large amount of Online Video service provider is emerged, they pass through
Respective website, client etc. provide the functions such as the online viewing, upload, downloading of video for user.But due to respective version
Power etc. reasons, user any video for oneself wanting to see can not be watched in some video website, then there have been
Video aggregation service.Video aggregation service is condensed together by the video source that major video service provider is provided, and is made
User is obtained without oneself switching a kind of service that can watch Online Video between major video website.
On the other hand, so-called Online Video, be exactly can in downloading the video that plays, user it is whole without waiting for video
Being downloaded to can locally watch.Under this technology, player can open up one piece of about several million word in the memory of client
The buffer area of section, player, which can wait after having enough data to buffer area, just to be started to play, and thus may be implemented to broadcast in downloading
It puts, than all downloading can just play after the completion before, the time of user's waiting is greatly saved.
But in the use process of prior art Online Video service, if current video source plays for some reason
Failure, during the next video source of switching continues broadcasting, user may be waited for a long time, this leverages user
Experience.
Summary of the invention
The present invention provides a kind of based on the quick of video aggregation service to solve the problems, such as waiting time of the prior art
The method in Switch Video source, so that the waiting time of user be greatly saved.Also eliminate the fiber crops in manual switching different video source
It is tired.
To achieve the above object, the present invention provides a kind of method for being switched fast video source based on video aggregation service,
Include the following steps:
Priority ranking is carried out to video source；
It is played out according to the sequence priority level of video source；The highest video source of buffered play Sort Priority first；
Meanwhile under the premise of not influencing currently playing video source buffering, the video source of next priority level is buffered；
When currently playing video source plays failure, start the video source for playing next priority level.
More preferably, the described pair of video source progress priority ranking prestored specifically includes:
Different power are given respectively to broadcasting time, the user video source that actively video source of switching and server are recommended
Value calculates the final priority of all video sources by weighted average.
More preferably, the video source that the server is recommended includes, for the equipment situation of terminal user, recommending different resolutions
The video source of rate；For terminal network situation, recommend the video of different clarity.
More preferably, described when the first video source plays Caton, start caching and plays the second video source after the Caton moment
Video data to buffer area.
More preferably, video source broadcasting unsuccessfully include: video do not play, Caton when record video playing at the time of；When
The Caton of record or non-playing time are more than preset time, are determined as that video source plays failure.
It is more preferably, described in the case where the Sort Priority for not influencing buffering to greatest extent highest video source,
Second video source is buffered in advance, is specifically included:
Player separately opens up one piece of video data buffer in terminal memory, for buffering second video source；
According to active client for the Network status of the network connection of buffered video and buffering Sort Priority highest
Video source speed of download, preferentially the video source by network bandwidth allocation to sequence highest priority buffers, and by tape remaining
It is wide to be used for second video source buffering.
Specific embodiments of the present invention also proposed a kind of device for being switched fast video source based on video aggregation service,
Include:
Sorting module, the sorting module carry out priority ranking to video source；
Buffer module, the buffer module is to the highest video source buffered play of Sort Priority；Meanwhile it influencing to arrange
Under the premise of the video source buffering of sequence highest priority, next video source is buffered；
Playing module, the playing module highest video source of buffered play Sort Priority first, works as Sort Priority
The video source of next priority level is played after highest video source broadcasting failure.
More preferably, the sorting module includes time counting unit, switch unit and recommendation unit；It is single to secondary counting unit, switching
Member and recommendation unit give different weights respectively, by weighted average, calculate the final priority of all video sources.
More preferably, the playing module further includes clock unit, and the clock unit does not start or play Caton in broadcasting
When start timing, when timing be more than preset time when play next video source.
The method for being switched fast video source based on video aggregation service that the present invention provides a kind of, by by video source into
Row sequence, to preferentially play highest first video source of priority level.When playing the first video source, the first view is not being influenced
In the case that frequency source buffers, the second video source is buffered.To allow hand over to the second video source not in the first video source Caton
With waiting, directly play out.The waiting time for reducing client, improve usage experience.For the priority level of video source,
It can be changed by many aspects.User can also adjust the priority level of video source according to the hobby of oneself, to broadcast
Put the video source of client's hobby.
Detailed description of the invention
Fig. 1 is the work flow diagram of the method for being switched fast video source provided in the specific embodiment of the invention.
Specific embodiment
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Specific embodiments of the present invention for waiting for a long time when automatically switching video source in existing video aggregation service,
The problem of influencing user experience.Provide a kind of method that may be implemented to be switched fast video source.Make user in the first video source
Caton is more than that after a certain period of time, can automatically switch to the second video source buffered.To reduce the waiting time, improve
User experience.Meanwhile user can also be adjusted the priority level of video source, according to the hobby of oneself to preferentially broadcast
Put desired video source.
In a specific embodiment of the present invention, a kind of dress for being switched fast video source based on video aggregation service is proposed
It sets.Respectively include: sorting module, buffer module and playing module.
Sorting module, the sorting module will carry out priority ranking to the video source list prestored.
Sorting module includes time counting unit, switch unit and recommendation unit；To secondary counting unit, switch unit and recommendation unit
Different weights is given respectively, by weighted average, calculates the final priority of all video sources.
Such as have in the video source list and contain multiple second video sources, then priority row is carried out to the video source list
Sequence.The each video source of the number unit record player of client plays record.Switch unit be recorded in playing process by
The video source of user's manual switching.Meanwhile recommendation unit is that terminal device situation and Network status are returned to measurement network,
By measuring the situation of network center's composite measurement node and the terminal device situation and Network status of return, server is given
Video source be ranked up, recommend client.Finally, by user or in a program to terminal plays record, manual switching
The impact factors such as the video source that the video source and server crossed are recommended give different weights respectively, most by weighted average calculation
Whole priority, then sorted video source user will be fed back to again, and using the video source of highest priority as the first video
Broadcast source starts buffered play.
Buffer module, the buffer module will be to the highest video source buffered plays of Sort Priority；Meanwhile it influencing
Under the premise of the highest video source buffering of Sort Priority, next video source is buffered.
Player separately opens up a block buffer in client, can be identical as the buffering buffer size of the first video, this
Invention to this with no restriction.It is described to can be root to greatest extent under the premise of not influencing the first video source buffering to greatest extent
According to the current Network status of client, and the speed of download of the first video of buffering, preferentially network bandwidth is used to buffer first
Video source, and remaining bandwidth is used to buffer the second video source, so as to make full use of network bandwidth, choose gained video source
Next video source of the first video source starts to buffer the second video source in advance as the second video source in list.
Playing module, the playing module are played out to the highest video source of the Sort Priority of buffering, and sequence is worked as
The video source of highest priority plays next video source after playing failure.
Playing module further includes clock unit, and the clock unit starts timing when broadcasting does not start or plays Caton,
Next video source is played when timing is more than preset time.
There are two kinds of situations for the Caton played for video source.They are respectively as follows:
A kind of situation chooses the first video source according to mentioned above principle and starts to cache when the play instruction for receiving user, but
When not starting to play, start timing；Meanwhile player starts according to above-mentioned second video source, caches its video data to newly opening
The buffer area warded off；If timing is more than preset time, the first video source does not have started broadcasting, then regards as playing failure, at this point,
Client reads the data in the buffer area newly opened up, and automatically switches to the second video source and starts to play.
Another situation, when the first video source has played a period of time, but encounters Caton, when since Caton,
Timing, and currently playing moment t is recorded, meanwhile, player is according to above-mentioned second video source, from the playing time t of record,
Buffered video data is to the buffer area newly opened up.It is more than preset time when counting the time that Caton occurs, regards as playing failure,
At this point, client reads the data in the buffer area newly opened up, automatically switches to the second video source and start to play.Below to video
The workflow in Switch Video source is described further when broadcasting.
It for the preset time of clock module, does not limit specifically in the present invention, preset time can be according in advance
Set arbitrary value.Then it is set according to the needs of users in the actual use process, to meet different user
Different demands.
In another specific embodiment of the invention, proposes and a kind of video is switched fast based on video aggregation service
The method in source.
The work flow diagram for the method for video source that Fig. 1 is that is provided in the specific embodiment of the invention be switched fast.Such as Fig. 1 institute
The method for being switched fast video source shown, includes the following steps:
Step 1 carries out priority ranking to the video source prestored.
When choosing a certain video in player, player carries out preferentially the video source that prestores of a certain video got
Grade sorts, and contained in the video source is the corresponding all video playing sources of the video.
If had in the video source and containing multiple video sources, priority ranking is carried out to the video source.Client note
It records each video source of player and plays record, and be recorded in playing process by the video source of user's manual switching.Meanwhile
Terminal device situation and Network status are returned to measurement network by client, by the situation for measuring network center's composite measurement node
And the terminal device situation and Network status returned, the video source that server is given is ranked up, client is recommended.Most
Afterwards, video source terminal plays record, the video source of manual switching and server recommended by user or in a program
Equal impact factors give different weights respectively, pass through the final priority of weighted average calculation.It again will sorted video source again
User is fed back to, and using the video source of highest priority as the first video playing source, starts buffered play.
Step 2: the first video source chosen in sorted video source starts buffered play as the first video source.
Meanwhile player separately opens up a block buffer in client, it can be with the buffer size of the first video source of buffering
It is identical, the invention is not limited in this regard.It is described to greatest extent under the premise of not influencing the first video source buffering to greatest extent
To be the Network status current according to client, and the speed of download of the first video of buffering, preferentially network bandwidth is used to delay
The first video source is rushed, and remaining bandwidth is used to buffer the second video source, so as to make full use of network bandwidth, chooses gained
Next video source of the first video source starts to buffer the second video source in advance as the second video source in video source.
Step 3, when the first video source does not play or when Caton, Caton or not play to the time of wait-for-response be more than pre-
If the time, start to play the second video source.
Not playing for first video source is referred to, when just having opened video, the buffering of video source is waited and starts not yet
It plays.
For the Caton of the first video source, there are two kinds of situations.They are respectively as follows:
A kind of situation chooses the first video according to mentioned above principle and starts to cache when the play instruction for receiving user, but not
When starting to play, start timing；Meanwhile player starts according to above-mentioned second video source, caches its video data to newly opening up
Buffer area；If timing is more than preset time, the first video source does not have started broadcasting, then regards as playing failure, at this point, objective
The data in the buffer area newly opened up are read at family end, are automatically switched to the second video source and are started to play.
Another situation, when the first video source has played a period of time, but encounters Caton, when since Caton,
Timing, and currently playing moment t is recorded, meanwhile, player is according to above-mentioned second video source, from the playing time t of record,
Buffered video data is to the buffer area newly opened up.It is more than preset time when counting the time that Caton occurs, regards as playing failure,
At this point, client reads the data in the buffer area newly opened up, automatically switches to the second video source and start to play.
Step 4, when second video source starts to play, before not influencing the second video source buffering to greatest extent
It puts, buffers third video source in advance.
When the second video source starts buffered play, using next video source of the second video source of this in video source as third
Video source starts to buffer in advance, when so that the second video source playing failure, can be rapidly switched to next video source and play.
Method provided in an embodiment of the present invention, by waiting the first video source to ring when the first video source plays failure
The second video source of buffering is started simultaneously in the time answered, and when so that switching to the broadcasting of the second video source, seamless play may be implemented,
User no longer needs to the second video source data of pending buffer, reduces the waiting time of user, the user experience is improved.
As a result, it is provided by the present invention be a kind of different video source buffering and the method for switching.When starting to play video,
Using remaining network bandwidth, the different video source of same video program is buffered, thus energy when video source being played on fails
Enough it is directly switch into another video source to play out.
Below to a kind of method for being switched fast video source based on video aggregation service of the specific embodiment of the invention
Workflow is made an explanation.
First when user chooses a certain video and issues the instruction for playing video, player will obtain the video of the video
Source.Player carries out priority ranking to the video source that prestores got, in the video source it is contained for the video it is corresponding all
Video playing source.
When carrying out priority ranking to the video source.The each video source of client record player plays record, and remembers
Record is in playing process by the video source of user's manual switching.Meanwhile client returns terminal device situation and Network status
Back to measurement network, by the situation and the terminal device situation of return and network-like that measure network center's composite measurement node
Condition is ranked up the video source that server is given, recommends client.Finally, being broadcast by user or in a program to terminal
It puts the impact factors such as the video source that record, the video source of manual switching and server are recommended and gives different weights respectively, lead to
It crosses the final priority of weighted average calculation, then sorted video source will feed back to user again, and by the view of highest priority
Frequency source starts buffered play as the first video playing source.
When playing the first video source, while player separately opens up a block buffer in client, for the big of buffer area
Small, the present invention is with no restriction.Under the premise of not influencing the first video source buffering to greatest extent, the second video source is delayed
Punching.So as to make full use of network bandwidth, next video source of the first video source in gained video source is chosen as the second view
Frequency source starts to buffer the second video source in advance.Wherein, it can be the Network status current according to client to greatest extent, and
The speed of download of the first video source is buffered, network bandwidth preferentially is used to buffer the first video source, and remaining bandwidth is used to delay
Rush the second video source.
When the first video source plays failure, played out to automatically switch to the second video source.For the first video
It unsuccessfully includes two kinds of situations that source, which plays:
A kind of situation chooses the first video source according to mentioned above principle and starts to cache when the play instruction for receiving user, but
When not starting to play, start timing；Meanwhile player starts according to above-mentioned second video source, caches its video data to newly opening
The buffer area warded off；If timing is more than preset time, the first video source does not have started broadcasting, then regards as playing failure, at this point,
Client reads the data in the buffer area newly opened up, and automatically switches to the second video source and starts to play.
Another situation, when the first video source has played a period of time, but encounters Caton, when since Caton,
Timing, and currently playing moment t is recorded, meanwhile, player is according to above-mentioned second video source, from the playing time t of record,
Buffered video data is to the buffer area newly opened up.It is more than preset time when counting the time that Caton occurs, regards as playing failure,
At this point, client reads the data in the buffer area newly opened up, automatically switches to the second video source and start to play.
Fail it should be noted that being played for the first video source, including video does not play, opens failure, or view
Frequency plays a period of time, encounters Caton and the Caton time has been more than limitation.
When the second video source starts buffered play, using next video source of the second video source of this in video source as third
Video source starts to buffer in advance, when so that the second video source playing failure, can be rapidly switched to next video source and play.
Method provided in an embodiment of the present invention, by waiting the first video source to ring when the first video source plays failure
The second video source of buffering is started simultaneously in the time answered, and when so that switching to the broadcasting of the second video source, seamless play may be implemented,
User no longer needs to the second video source data of pending buffer, reduces the waiting time of user, the user experience is improved.
Professional should further appreciate that, described in conjunction with the examples disclosed in the embodiments of the present disclosure
Unit and algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, hard in order to clearly demonstrate
The interchangeability of part and software generally describes each exemplary composition and step according to function in the above description.
These functions are implemented in hardware or software actually, the specific application and design constraint depending on technical solution.
Professional technician can use different methods to achieve the described function each specific application, but this realization
It should not be considered as beyond the scope of the present invention.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can be executed with hardware, processor
The combination of software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only memory
(ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field
In any other form of storage medium well known to interior.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (6)
1. a kind of method for being switched fast video source based on video aggregation service, which is characterized in that the method includes as follows
Step:
Priority ranking is carried out to video source；
It is played out according to the sequence priority level of video source；The highest video source of buffered play Sort Priority first；Meanwhile
Under the premise of not influencing currently playing video source buffering, the video source of next priority level is buffered, is specifically included: being played
Device separately opens up one piece of video data buffer in terminal memory, for buffering second video source；It is used according to active client
In the Network status of the network connection of buffered video and the speed of download of the buffering highest video source of Sort Priority, preferentially will
Network bandwidth allocation is buffered to the video source of sequence highest priority, and remaining bandwidth is used for second video source buffering；
When currently playing video source plays failure, start the video source for playing next priority level；
It is described that video source progress priority ranking is specifically included: the video source and clothes actively switch to broadcasting time, user
The video source that business device is recommended gives different weights respectively, by weighted average, calculates the final priority of all video sources.
2. a kind of method for being switched fast video source based on video aggregation service according to claim 1, feature exist
In: the video source that the server is recommended includes, for the equipment situation of terminal user, recommending the video source of different resolution；
For terminal network situation, recommend the video of different clarity.
3. a kind of method for being switched fast video source based on video aggregation service according to claim 1, feature exist
In: when the first video source plays Caton, start the video data extremely buffering that caching plays the second video source after the Caton moment
Area.
4. according to claim 1 or 3 a kind of described in any item methods for being switched fast video source based on video aggregation service,
It is characterized by: video source broadcasting unsuccessfully include: video do not play, Caton when record video playing at the time of；Work as record
Caton or non-playing time be more than preset time, be determined as video source play failure.
5. a kind of device for being switched fast video source based on video aggregation service characterized by comprising
Sorting module, the sorting module carry out priority ranking to video source；
Buffer module, the buffer module is to the highest video source buffered play of Sort Priority；Meanwhile it is excellent not influencing to sort
Under the premise of the first highest video source buffering of grade, buffer next video source, specifically include: buffer module is another in terminal memory
One piece of video data buffer is opened up, for buffering second video source；The network of buffered video is used for according to active client
The Network status of connection and the speed of download for buffering the highest video source of Sort Priority, preferentially by network bandwidth allocation discharge
The video source of sequence highest priority buffers, and remaining bandwidth is used for second video source buffering；
Playing module, the playing module highest video source of buffered play Sort Priority first, when Sort Priority highest
Video source play failure after play the video source of next priority level；
The sorting module includes time counting unit, switch unit and recommendation unit；To secondary counting unit, switch unit and recommendation unit
Different weights is given respectively, by weighted average, calculates the final priority of all video sources, wherein the number list
Member, for obtaining the broadcasting time of video address, the switch unit, for obtaining the view that user actively switches in playing process
Frequency address, the recommendation unit, user obtain the video address that server is recommended.
6. a kind of device for being switched fast video source based on video aggregation service according to claim 5, feature exist
In: the playing module further includes clock unit, and the clock unit starts timing when broadcasting does not start or plays Caton, when
Timing plays next video source when being more than preset time.
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|---|---|---|---|---|
| CN105472443A (en) * | 2016-01-13 | 2016-04-06 | 杭州当贝网络科技有限公司 | Direct broadcast source control method and system |
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