CN103327267B - A kind of video broadcasting method, device and television set - Google Patents
A kind of video broadcasting method, device and television set Download PDFInfo
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- CN103327267B CN103327267B CN201310259362.8A CN201310259362A CN103327267B CN 103327267 B CN103327267 B CN 103327267B CN 201310259362 A CN201310259362 A CN 201310259362A CN 103327267 B CN103327267 B CN 103327267B
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Abstract
The invention belongs to TV technology, more particularly to a kind of video broadcasting method, device and television set, this method to include:Video recipient obtains current video broadcasting condition;It is live state when getting video broadcasting condition, and when receiving status switching instruction, the live state is switched into program request state;After the live state is switched into program request state, the order video data being buffered in advance in newly-increased frame of video buffer area are called to play out.In the present embodiment, solve user needs to use multistep and cumbersome manual operations when live video and order video switch, and video switches the problem of fluency is low, so that realize taking over seamlessly for live video and order video on intelligent television, the shortcomings of eliminating the blank screen brought during hardware exchange, flicker, interim card.
Description
Technical field
The invention belongs to TV technology, more particularly to a kind of video broadcasting method, device and television set.
Background technology
With the development of ntelligent television technolog, users can both watch cable operator on intelligent television at present
Business or the live video of analog channel, and can watch the program request that the Internet video to come by Internet network push is representative
Video.
However, because both source video sequences are different so that the mode of the entrance generally use separation of both videos is entered
Row processing, namely user open TV, the program of live video are watched by way of switching channels, but needing to watch program request
When video, it is necessary to open another entrance, such as menu or homepage, pass through APP(Application, application)Choosing
Select the entrance into video on demand, the two entrances due to technological disparity clearly, particularly video on demand, due to content
Provider is numerous, and uses TCP/IP(Transmission Control Protocol/Internet Protocol, transmission
Control protocol/Internet Protocol)Mode carry out content transmission and user authentication, cause user switch entrance when must close
Close another entrance(Live telecast entrance), and using multistep manual operations could finishing device, and video switching fluency compared with
It is low.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of video broadcasting method, device and television set, and the invention reside in solution
Certainly user needs to use multistep and cumbersome manual operations when live video and order video switch, and video switching is smooth
Spend the problem of low.
The embodiment of the present invention is achieved in that a kind of video broadcasting method, the described method comprises the following steps:
Video recipient obtains current video broadcasting condition;
It is live state when getting video broadcasting condition, and when receiving status switching instruction, by the live state
Switch to program request state;
When switching to program request state, the order video data being buffered in advance in newly-increased frame of video buffer area are called to carry out
Play.
The embodiment of the present invention is achieved in that a kind of device of video playback, and described device includes:
Acquiring unit, for obtaining current video broadcasting condition;
Switch unit, for when to get video broadcasting condition be live state, and receives status switching instruction, general
The live state switches to program request state;
Call unit, when switching to program request state, the program request being buffered in advance in newly-increased frame of video buffer area is called to regard
Frequency evidence plays out.
The embodiment of the present invention additionally provides a kind of television set, and the television set includes above-mentioned video play device.
In the present embodiment, after the live state is switched into program request state, calling is buffered in newly-increased video in advance
Order video data in frame buffer play out, and solve user needs to use when live video and order video switch
Multistep and cumbersome manual operations, and video switches the problem of fluency is low so that live video is realized on intelligent television
With taking over seamlessly for order video, user can be by one key switching live video and order video, and eliminates hardware exchange
During bring blank screen, flicker, interim card the shortcomings of, spectators is enjoyed programme televised live and the point of magnanimity in natural interaction
Broadcast the enjoyment of video.
It is compared with the prior art, of the invention at least has following advantage:
1st, one key switching live video and order video, there is provided the method that live video and order video take over seamlessly;
2nd, multistep and cumbersome manual handling thereof are saved;
3rd, solves the shortcomings that video switching fluency is low.
In order to illustrate technical solutions according to the invention, illustrated below by specific embodiment.
Brief description of the drawings
Fig. 1 is the flow chart of the method for the video playback that the embodiment of the present invention one provides;
Fig. 2 is the double frame of video buffer area of use that the embodiment of the present invention one provides(Video Framebuffer)Pattern pair
The structural representation of the device of Video processing;
Fig. 3 be the embodiment of the present invention one before step S101, order video data buffer storage is newly-increased to what is pre-established
Specific implementation flow chart in frame of video buffer area;
Fig. 4 is the implementing procedure that the live state is switched to program request state in the step S102 of the embodiment of the present invention one
Figure;
Fig. 5 is the live state and the schematic diagram of program request state switching condition that the embodiment of the present invention three provides;
Fig. 6 is the implementing procedure figure preferable in actual applications that the embodiment of the present invention four provides;
Fig. 7 is the structural representation of the device for the video playback that the embodiment of the present invention five provides.
Embodiment
In order that the purpose of the present invention, technical scheme and beneficial effect are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only explaining this hair
It is bright, it is not intended to limit the present invention.
Embodiment one:
Fig. 1 shows the flow chart of the method for video playback provided in an embodiment of the present invention, and the specific steps of this method are such as
Under:
In step S101, video recipient obtains current video broadcasting condition;
In the present embodiment, video broadcasting condition includes live state and program request state.
In the present embodiment, video recipient includes but is not limited to television set.
In the present embodiment, television set obtains current video broadcasting condition and can directly obtained in the background, can pass through inspection
The application program for the video playback for taking screen is surveyed, to obtain current video broadcasting condition, specifically, when occupancy video playback
Application program be live video application program when, it be live state to represent current video broadcasting condition, when occupancy video
When the application program of broadcasting is the application program of order video, it is program request state to represent current video broadcasting condition.
As a preferred embodiment of the present invention, also include before step S101:
By order video data buffer storage into the newly-increased frame of video buffer area pre-established.
In the present embodiment, on the basis of the original frame of video buffer area of television set, a video frame buffer is increased newly
Area so that live video and order video can cache simultaneously, solve existing video play device and only support a frame of video
The problem of buffer area, avoid needs to switch the situation that hardware could be completed to switch when video switches, and simplifies the behaviour of user
Make step, improve the operating efficiency of user, and improve the fluency of video switching.
For purposes of illustration only, Fig. 2 shows the double frame of video buffer area of use provided in an embodiment of the present invention(Video
Framebuffer)Pattern carries out the structural representation of the device of Video processing, and the Video Framebuffer2 in dotted line frame are
The frame of video buffer area increased newly in this invention(Video Framebuffer).
In the present embodiment, using double frame of video buffer area(Video Framebuffer)Pattern carries out Video processing
Device is located in video recipient.
In the present embodiment, so that video recipient is television set as an example, one is increased newly in the video process apparatus of television set
Individual Video Framebuffer, so as to use double Video Framebuffer mechanism, while cache live video and program request
Video, Video Framebuffer are for caching live video data all the way, and Video Framebuffer are used to cache all the way
Order video data, solve in the prior art television set when caching live video, can not simultaneously cache on demand video data
The problem of, situations such as avoiding the flating for occurring occurring when live video and order video switch and blank screen, so as to reality
Existing live video and order video take over seamlessly.
In step s 102, it is live state when getting video broadcasting condition, and when receiving status switching instruction, will
The live state switches to program request state;
In the present embodiment, status switching instruction is pressed programmable button by user and generated, and programmable button can be that user sets certainly,
It can also be system default, not be limited herein.In addition, programmable button can be located on television set, remote control can also be located at
On, it is not limited herein.
In the embodiment of the present invention, increase a Video Framebuffer in the video process apparatus of television set, use
Double Video Framebuffer cache live video and order video simultaneously, and Video Framebuffer are used to cache directly all the way
Video data is broadcast, another way Video Framebuffer are used for cache on demand video data.
It is live state when getting video broadcasting condition in the present embodiment, and when receiving status switching instruction,
Broadcast will switch to the live state message of program request state in Android system, in order to which live state is switched to
Program request state.
In the present embodiment, live state is switched to the implementation process of program request state, can be carried out in example IV detailed
Illustrate, will not be described here.
In step s 103, after the live state is switched into program request state, calling is buffered in newly-increased video in advance
Order video data in frame buffer play out.
In the present embodiment, when switching to program request state, by the store path of order video data, caching in advance is called
Order video data in newly-increased frame of video buffer area play out.
In the present embodiment, for purposes of illustration only, so that video recipient is television set as an example, when television set is received on remote control
Directionkeys(Up/down/left/right key)After message, whether the position for detecting cursor on television set changes and cursor position regards
Frequency link situation, when the position for detecting cursor changes and cursor contains video link on the position after change, beats
Open video link and open Video Framebuffer2 on television set backstage simultaneously, the data buffer storage in video link is arrived
In Video Framebuffer2.After caching terminates, television set obtains current video broadcasting condition, when getting video playback
State is live state, and when receiving status switching instruction, live state is switched into program request state, cut when by live state
When shifting to program request state, the order video data being buffered in advance in newly-increased frame of video buffer area are called, so that video recipient
Smooth playing order video data.Avoid when user selects live video again, occur bringing in handoff procedure blank screen,
Flicker, the situation of interim card.
Embodiment two:
Fig. 3 shows the embodiment of the present invention before step S101, and order video data buffer storage is new to what is pre-established
Increase the specific implementation flow in frame of video buffer area, details are as follows:
In step S301, under program request state, cursor move is received;
In step s 302, detection light target change in location situation and the order video data associated in the cursor position
Video link;
In the present embodiment, cursor is that one of the remote controller key stop place of TV machine is prompted, cursor table
What is shown is the order or content that can be currently performed, generally, for order video, option that each in cursor can be performed
Contain following content:Title, picture or poster, brief introduction and content link, these contents are different according to presentation mode, can be with
All display can also only show a part.When cursor dwell is wherein appointed at title, picture or poster, brief introduction or content link
One position, whether cursor of the automatic detection on stop place is contained video link situation by television set after preset time,
Judge whether to need buffered video to be used to play.Preset time can be user from setting, can also system default, do not limit herein
System.
In step S303, when the position for detecting the cursor changes, and position of the cursor after change
When above containing related video link, the video link is opened, by order video data buffer storage corresponding to the video link
Into the newly-increased frame of video buffer area.
In the present embodiment, whether the position for detecting the cursor changes, and can first record cursor in television screen
On initial position, then obtain position of the cursor on television screen in real time, when cursor position with the last time in television set
During position difference on screen, represent that the position of cursor changes.Because each cursor has execution corresponding thereto
Order or content, such as title, picture or poster, brief introduction and content link, by real-time detection light target position, to obtain
Object is browsed to user.
For purposes of illustration only, so that TV machine testing user needs order video as an example, television set can pass through detection light target shape
Formula, when detecting cursor, and the video in cursor is the video that user needs program request, and television set obtains the video in the background
Video link, the data buffer storage of video link to the frame of video buffer area is cached to the video of user's program request.
In the present embodiment, during by the data buffer storage of the video link to the frame of video buffer area, if
The television set receives the message that the directionkeys of remote control is pressed, then detection light target change in location situation and described again
The video link situation that cursor associates on the position after change, if disappearing of being pressed of the directionkeys for not receiving remote control
Breath, the then data buffer storage of video link success into the frame of video buffer area.
In the present embodiment, by the data buffer storage of the video link to the process in the frame of video buffer area, it is specially
Start the process that the data of buffered video link terminate to the data buffer storage of the video link.
In the embodiment of the present invention, after the data buffer storage of video link terminates, the data playback of video link is ready.Depending on
The state that terminates of data buffer storage of frequency link is designed by television set producer, can be by setting certain time, such as 5 seconds, 10 seconds
Deng the time, either by setting some row for reading video file, the position of field or frame or other effective means to identify.
Embodiment three:
Fig. 4 shows the implementing procedure that the live state is switched to program request state in the step S102 of embodiment one, in detail
State as follows:
In step S401, the caching situation for being buffered in program request video data in newly-increased frame of video buffer area in advance is obtained;
In the present embodiment, function Backgroundstate and function KeyStrick, TV set device are introduced respectively
Can by the two functions come positioning video caching situation and the condition of switching, so as to realize live video and order video it
Between take over seamlessly, wherein, function Backgroundstate is to identify in Video Framebuffer2 in video link
The caching situation of appearance, function Backgroundstate have three parameters buffering, bufferOK and Ready, wherein
Buffering is expressed as state just in the buffer, and bufferOK is expressed as the state that caching terminates, and Ready is expressed as can be with
Into the state of broadcasting.
In step S402, when the caching situation meets default switching condition, the live state is switched to
Program request state.
In the present embodiment, default switching condition can be that user sets certainly, can also system default.
For purposes of illustration only, Fig. 5 shows the schematic diagram of live state and program request state switching condition.
It should be noted that default switching condition can be one of them of following conditions, naturally it is also possible to following
The mixing condition of condition.
Condition A, order video data buffer storage terminate, and specifically, the state that video data caching terminates is by television set producer
Design, can be by setting certain time, such as 5 seconds, the time such as 10 seconds, or by set read video file some
Row, the position of field or frame or other effective means are identified, and now variable function Backgroundstate states are arranged to
BufferingOK。
Condition B, order video data can enter broadcast state.Specifically, order video data can enter the state played
By television set, producer designs, can be by setting necessarily caching ratio, for example be cached to the 10% of order video size, this time-varying
Flow function Backgroundstate states are arranged to Ready.
In the present embodiment, two sets of variable functions are defined to aid in live state to be switched over program request state, it is specific fixed
Justice is:
Define enum BackgroundState={ buffering, bufferOK, Ready } and Define enum
keyStrick={OK,UP,DOWN,LEFT,RIGHT,FUNCTIONKEY}。
Wherein, Backgroundstate is to identify the caching of video link content in Video Framebuffer2
Situation, television set identification has been easy to it and has judged whether video enters broadcast state, Backgroundstate there are three parameters
Buffering, bufferOK and Ready, wherein buffering are expressed as state just in the buffer, and bufferOK is expressed as
The state terminated is cached, Ready is expressed as that the state played can be entered.
KeyStrick is to identify the message of remote controller key transmission, selection or displaying video programs, each button behaviour
The variable function will all read the parameter value of respective keys when making.KeyStrick corresponds to the corresponding button key of remote control, wherein
Parameter OK/UP/DOWN/LEFT/RIGHT/FUNCTIONKEY corresponds to OK/ up/down/left/right/acknowledgement key of button respectively.
Need what is illustrated, in the present embodiment, by advance definition, programmable button is acknowledgement key
FUNCTIONKEY, when user presses acknowledgement key, can generate status switching instruction, and program request state is switched to from live state, when
When system receives status switching instruction, whole handoff procedure is controlled by double Video Framebuffer and state machine,
Wherein state machine is the digital display circuit with internal memory or according to stored information execution sequence of operations, in the background process switching
The time loss brought and user interface logic difference, and the data call by increasing frame of video buffer area newly connects in the background
Mouthful, advance cache on demand video data is called, played data during program request state is switched to as television set, so as to eliminate foreground
Caused blank screen and jitter problem, the live user that switches between program request is appeared to be and is taken over seamlessly, and have instantaneous switching
Experience.
In the present embodiment, user goes to watch order video or goes to watch from order video live from current live video
During video, it can be selected by remote control.For purposes of illustration only, exemplified by going to watch order video from current live video,
Current video broadcast state is live state, now, when the Video Framebuffer2 on backstage can be cached in program request state
The order video chosen by user, after caching terminates, television set can send the prompting that can completely play out of caching, when detecting
When user presses acknowledgement key on a remote control, system performs the status switching instruction corresponding with acknowledgement key, will be current live
State switches to program request state, and whole handoff procedure, wherein shape are controlled by double Video Framebuffer and state machine
State machine is performs the digital display circuit of sequence of operations with internal memory or according to stored information, and process switching is brought in the background
Time loss and user interface logic difference, and adjusted in the background by increasing the data call interface of frame of video buffer area newly
With advance cache on demand video data, as played data when switching to program request state of television set, so as to eliminate switching
During bring blank screen, flicker, interim card the shortcomings of so that spectators can enjoy live video in natural interaction and program request regard
The enjoyment of frequency.
Example IV:
Fig. 6 shows implementing procedure figure preferable in actual applications provided in an embodiment of the present invention, this method it is specific
Step is as follows:
Step S601, after television set receives the message that is pressed of directionkeys of remote control, detection light target change in location feelings
Condition;
Wherein, the embodiment of the present invention introduces the thing that global variable function KeyStrick is used to receive and recognize button operation
Part information, the parameter of the variable function correspond to the respective keys of remote control respectively, are pressed when the directionkeys for receiving remote control
After message, start detection light target position the step of, specifically, first record initial position of the cursor on television screen,
Position of the cursor on television screen is obtained in real time again, to detect detection light target change in location situation in real time.
Step S602, after the position of cursor changes, start timer;
When the position of cursor is previously in position difference on television screen, start timer.
Step S603, judges whether cursor association content contains video link, if video link then performs next step
Step S604, on the contrary then return to step S601;
Whether detection cursor association content contains video link, can directly obtain, obtain in the attribute that cursor associates content
It is prior art to take video link, be will not be described here.
Step S604, judges whether residence time of the cursor in the position exceedes set timer time value, if it exceeds
Next step step S605 is then performed, is waited if no more than if;
Step S605, Off Timer, Video Framebuffer2 are opened on backstage, by the data buffer storage of video link
Into Video Framebuffer2, the message that directionkeys is pressed is detected whether, if so, then return to step S601, if not having
Have, then perform next step step 606;
Step S606, start buffered video data, detect whether the message that directionkeys is pressed, if so, then returning to step
Rapid S601, if the execution next step step S607 without if.
Regarded specifically, introducing local variable function Backgroundstate in Video Framebuffer2 to show
Frequency buffer status, now the function status be arranged to Buffering;
Step S607, after video data caching terminates, the message that directionkeys is pressed is detected whether, if there is remote control
The message that directionkeys is pressed, then return to step S601, if the message that the directionkeys of no remote control is pressed, is performed next
Rapid S608 step by step.
Now variable function Backgroundstate states are arranged to BufferingOK.
Step S608, the confirmation message of video link is received, now variable function Backgroundstate states are arranged to
Ready。
Step S609, whether the video broadcasting condition for judging TV machine is live state, if it is, performing next
Rapid S610 step by step, if it is not, then performing step S611.
When the video broadcasting condition of TV machine is not program request state, that is, represent the video broadcasting condition of TV machine
For live state.
Step S610, the live state of TV machine is switched into program request state, played in VideoFramebuffer2
The video of caching.
When detecting that the acknowledgement key specified is pressed, the live state of TV machine is switched into program request state, and broadcast
Put the video cached in buffering area.
Step S611, the video cached in Video Framebuffer2 is played under program request state.
When video flowing caching finishes, video is played under program request state, if television for play state is currently in program request
State, the OK keys on remote control are first pressed, order video is performed under current program request state and is played, then is pressed on remote control really
Recognize key, such as FUNCTIONKEY keys, may return to live state, so as to when user selects live video again, eliminate and cut
The shortcomings of blank screen that is brought during changing, flicker, interim card, enable that spectators enjoy live video in natural interaction and program request regards
The enjoyment of frequency.
Example IV:
Fig. 7 shows a kind of video play device structural representation provided in an embodiment of the present invention, and the device can be run
In various terminals, including but not limited to television set, mobile phone, pocket computer(Pocket Personal Computer,
PPC), palm PC, computer, notebook computer, personal digital assistant(Personal Digital Assistant, PDA)
Deng.For convenience of description, it illustrate only part related to the present embodiment.Described device includes:
Acquiring unit 71, for obtaining current video broadcasting condition;
Switch unit 72, for when to get video broadcasting condition be live state, and receives status switching instruction,
The live state is switched into program request state;
Call unit 73, newly-increased regard is buffered in advance for after the live state is switched into program request state, calling
Order video data in frequency frame buffer play out.
Further, in the apparatus, in addition to:
Buffer unit 74, for by order video data buffer storage into the newly-increased frame of video buffer area pre-established.
Specifically, in the apparatus, buffer unit 74 also includes:
Receiving subelement 741, under program request state, receiving cursor move;
Detection sub-unit 742, regarded for detection light target change in location situation with the program request associated in the cursor position
The video link of frequency evidence;
Subelement 743 is cached, for being changed when the position for detecting the cursor, and the cursor is after change
When containing related video link on position, the video link is opened, by order video data corresponding to the video link
It is cached in the newly-increased frame of video buffer area.
Further, in the apparatus, the switch unit 72, including:
Subelement 721 is obtained, is buffered in the caching of program request video data in newly-increased frame of video buffer area in advance for obtaining
Situation;
Switching subelement 722, for when the caching situation meets default switching condition, the live state to be cut
Shift to program request state.
Device provided in an embodiment of the present invention can be applied in foregoing corresponding embodiment of the method one, two, details referring to
The description of above-described embodiment one, two, will not be repeated here.
In the present embodiment, after the live state is switched into program request state, calling is buffered in newly-increased video in advance
Order video data in frame buffer play out, and solve user needs to use when live video and order video switch
Multistep and cumbersome manual operations, and video switches the problem of fluency is low so that live video is realized on intelligent television
With taking over seamlessly for order video, user can be by one key switching live video and order video, and eliminates hardware exchange
During bring blank screen, flicker, interim card the shortcomings of, spectators is enjoyed programme televised live and the point of magnanimity in natural interaction
Broadcast the enjoyment of video.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of video broadcasting method, it is characterised in that methods described comprises the steps:
Video recipient obtains current video broadcasting condition;
It is live state when getting video broadcasting condition, and when receiving status switching instruction, the live state is switched
To program request state;
After the live state is switched into program request state, the program request being buffered in advance in newly-increased frame of video buffer area is called to regard
Frequency evidence plays out;
Wherein, live video and order video are cached simultaneously using double frame of video buffer area, frame of video buffer area is used to delay all the way
Live video data is deposited, another way frame of video buffer area is used for cache on demand video data;
Wherein, local variable function is introduced in another way frame of video buffer area to show video cache state, the local change
Flow function has three parameters, is expressed as state just in the buffer, caches the state of end, can enter the shape played
State.
2. the method as described in claim 1, it is characterised in that before the current video broadcasting condition of the acquisition, including:
By order video data buffer storage into the newly-increased frame of video buffer area pre-established.
3. method as claimed in claim 2, it is characterised in that described by order video data buffer storage to the newly-increased frame of video
In buffer area, including:
Under program request state, cursor move is received;
Detection light target change in location situation and the video link of order video data associated in the cursor position;
When the position for detecting the cursor changes, and the cursor contains related video link on the position after change
When connecing, the video link is opened, order video data buffer storage corresponding to the video link is delayed to the newly-increased frame of video
Deposit in area.
4. the method as described in claim 1, it is characterised in that it is described that the live state is switched into program request state, specifically
For:
Obtain the caching situation for being buffered in program request video data in newly-increased frame of video buffer area in advance;
When the caching situation meets default switching condition, the live state is switched into program request state.
5. the method as described in any one of Claims 1-4, it is characterised in that also include:
It is program request state when getting video broadcasting condition, and when receiving status switching instruction, the program request state is switched
To live state.
6. a kind of video play device, it is characterised in that described device includes:
Acquiring unit, for obtaining current video broadcasting condition;
Switch unit, for when to get video broadcasting condition be live state, and receives status switching instruction, described in general
Live state switches to program request state;
Call unit, for after the live state is switched into program request state, calling to be buffered in newly-increased frame of video and delayed in advance
The order video data deposited in area play out;
Wherein, live video and order video are cached simultaneously using double frame of video buffer area, frame of video buffer area is used to delay all the way
Live video data is deposited, another way frame of video buffer area is used for cache on demand video data;
Wherein, local variable function is introduced in another way frame of video buffer area to show video cache state, the local change
Flow function has three parameters, is expressed as state just in the buffer, caches the state of end, can enter the shape played
State.
7. device as claimed in claim 6, it is characterised in that described device, in addition to:
Buffer unit, for by order video data buffer storage into the newly-increased frame of video buffer area pre-established.
8. device as claimed in claim 7, it is characterised in that the buffer unit, including:
Receiving subelement, under program request state, receiving cursor move;
Detection sub-unit, for detection light target change in location situation and the order video data that are associated in the cursor position
Video link;
Subelement is cached, for being changed when the position for detecting the cursor, and the cursor is on the position after change
During containing related video link, the video link is opened, order video data buffer storage corresponding to the video link is arrived
In the newly-increased frame of video buffer area.
9. device as claimed in claim 6, it is characterised in that the switch unit, including:
Subelement is obtained, is buffered in the caching situation of program request video data in newly-increased frame of video buffer area in advance for obtaining;
Switching subelement, for when the caching situation meets default switching condition, the live state to be switched to a little
Broadcast state.
10. a kind of television set, it is characterised in that the television set includes the video described in claim 6 to 9 any claim
Playing device.
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CN103634661A (en) * | 2013-12-03 | 2014-03-12 | 乐视致新电子科技(天津)有限公司 | Method and device for implementing video on demand |
CN103686414B (en) * | 2013-12-19 | 2018-08-07 | 北京奇艺世纪科技有限公司 | Internet video playback method and device |
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CN104994432B (en) * | 2015-06-25 | 2019-06-28 | 海信集团有限公司 | A kind of method and television set switching audiovisual applications |
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