CN105898536A - Video play method and device - Google Patents
Video play method and device Download PDFInfo
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- CN105898536A CN105898536A CN201610284532.1A CN201610284532A CN105898536A CN 105898536 A CN105898536 A CN 105898536A CN 201610284532 A CN201610284532 A CN 201610284532A CN 105898536 A CN105898536 A CN 105898536A
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- video
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- screen buffer
- buffer
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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
- H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
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- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a video play method and device. The method comprises the steps: firstly obtaining the play state of a video, expanding a video buffering region when the play state of the video is a discontinuous state, and storing a video file read from a server in the expanded video buffering region in a video buffering process. According to the invention, the method can expand the video buffering region when the video play is discontinuous, and stores the video file in the expanded video buffering region. Compared with the prior art, the method can store more video files through the expanded video buffering region, and achieves the alleviation of the discontinuous playing of pictures after the video play is recovered.
Description
Technical field
The present embodiments relate to Internet technical field, particularly relate to a kind of video broadcasting method and device.
Background technology
At present, viewing video becomes a kind of conventional entertainment way.User can pass through multiple terminal equipment, such as mobile phone, puts down
Plate computer and intelligent television etc. access the Internet, obtain video file, and realize video playback according to video file.
It addition, affected by network jitter, video in playing process it sometimes appear that the phenomenon paused of picture card.This
In the case of, experiencing to improve viewing, user generally suspends video playback, and within the time period suspended, terminal unit enters
Row video buffer.Described video buffer refers to terminal unit to be continued to access the Internet, reads video file, and will read
To video file store to screen buffer.After recovering video playback, terminal unit reads described screen buffer
The video file of middle storage is also play, to alleviate picture Caton phenomenon.
But, inventor finds in the research process of the application, when using prior art to carry out video playback, if video
The space of relief area is less, then can only store the video file of relatively low capacity in buffering course, after recovering video playback,
The video file of storage is play after terminating occurs that picture card pauses the most again.
Summary of the invention
For overcoming problem present in correlation technique, the embodiment of the present invention provides a kind of video broadcasting method and device.
In order to solve above-mentioned technical problem, the embodiment of the invention discloses following technical scheme:
First aspect according to embodiments of the present invention, it is provided that a kind of video broadcasting method, including:
In video display process, obtaining the broadcast state of described video, wherein, the broadcast state of described video includes:
Smooth and easy state and Ka Dun state；
If the broadcast state of described video is card state, extend the screen buffer of described video；
During described video buffer, the video file read from server is stored the described video to extension
In relief area.
Preferably, the screen buffer of the described video of described extension includes:
Obtain extension multiple m required during this screen buffer extending described video；
Described screen buffer is extended, so that the capacity after the extension of described screen buffer is for expanding according to described extension multiple m
M times of raw capacity before exhibition.
Preferably, the screen buffer of the described video of described extension includes:
Obtain described video and card is occurring immediately, described video is not play the capacity of part, and, obtain current net
Speed and video playback speed；
According to described video is not play capacity, current network speed and video playout speed partly, calculate described video and exist
In the case of smooth and easy broadcasting, need the video capacity of buffering；
According to the described video capacity needing buffering, extend described screen buffer, so that the described video buffer after Kuo Zhan
The capacity in district is not less than the described video capacity needing buffering.
Preferably, this required extension multiple m when extending the screen buffer of described video of described acquisition, including:
Obtain the internal memory service condition that terminal unit is current；
According to the mapping relations between default internal memory service condition and extension multiple, and current interior of described terminal unit
Deposit service condition, obtain this required extension multiple m.
Preferably, the broadcast state of described acquisition video, including:
In described video display process, if in default first time period, there is n above interruption in described video
Phenomenon, it is determined that the broadcast state of described video is card state, and wherein, n is default integer；
Or, in described video display process, if video breaks occurs, and when the time interrupted exceedes default second
Between section, it is determined that the broadcast state of described video is a card state.
Preferably, the screen buffer of the described video of described extension, including:
Obtain the first address of the screen buffer before extension；
Obtain the blank relief area in relief area, and search destination buffer from described blank relief area, wherein, described
The address of destination buffer is nearest with described first address, and the capacity of described destination buffer is capacity to be extended, by institute
State destination buffer as screen buffer；
Wherein, the capacity of the screen buffer before setting extension as raw capacity, the capacity of the screen buffer after extension is
Capacity after extension, after described extension difference between capacity and raw capacity be described in capacity to be extended.
Preferably, also include:
After this video playback terminates, the capacity of described screen buffer is adjusted the raw capacity to extension；
Or, after the screen buffer extending described video, however, it is determined that the broadcast state of described video is smooth and easy state,
Then the capacity of described screen buffer is adjusted the raw capacity to extension.
Second aspect according to embodiments of the present invention, it is provided that a kind of video play device, including:
Broadcast state acquisition module, in video display process, obtains the broadcast state of described video, wherein, institute
The broadcast state stating video includes: smooth and easy state and Ka Dun state；
Relief area expansion module, if the broadcast state for described video is card state, the video extending described video delays
Rush district；
Memory module, for during described video buffer, stores the video file read from server to expansion
In described screen buffer after exhibition.
Preferably, described relief area expansion module includes:
Extension multiple acquiring unit, extension multiple m required during for obtaining this screen buffer extending described video；
First expanding element, for extending described screen buffer according to described extension multiple m, so that described video buffer
Capacity after district's extension is m times of the raw capacity before extension.
Preferably, described relief area expansion module includes:
Parameter acquiring unit, is used for obtaining described video and card is occurring immediately, do not play the capacity of part in described video,
Further, current network speed and video playback speed are obtained；
Computing unit, is used for according to capacity, current network speed and the video playout speed not playing part in described video,
Calculate described video in the case of smooth and easy broadcasting, need the video capacity of buffering；
Second expanding element, for according to the described video capacity needing buffering, extending described screen buffer, so that expanding
The capacity of the described screen buffer after exhibition is not less than the described video capacity needing buffering.
Preferably, described extension multiple acquiring unit includes:
First obtains subelement, for obtaining the internal memory service condition that terminal unit is current；
Second obtains subelement, the mapping relations between internal memory service condition and the extension multiple preset for basis, and
The internal memory service condition that described terminal unit is current, obtains this required extension multiple m.
Preferably, described broadcast state acquisition module includes:
First broadcast state acquiring unit, in described video display process, if in default first time period,
There is n above disruption in described video, it is determined that the broadcast state of described video is card state, wherein, n
For default integer；
Or, the second broadcast state acquiring unit, in described video display process, if video breaks occurs, and
The time interrupted exceedes the second default time period, it is determined that the broadcast state of described video is card state.
1 preferably, and described relief area expansion module includes:
Address acquisition unit, the first address of the screen buffer before obtaining extension；
Destination buffer acquiring unit, for obtaining the blank relief area in relief area, and looks into from described blank relief area
Looking for destination buffer, wherein, the address of described destination buffer is nearest with described first address, and described destination buffer
Capacity be capacity to be extended, using described destination buffer as screen buffer；
Wherein, the capacity of the screen buffer before setting extension as raw capacity, the capacity of the screen buffer after extension is
Capacity after extension, after described extension difference between capacity and raw capacity be described in capacity to be extended.
Preferably, also include:
First adjusting module, for after this video playback terminates, adjusts the capacity of described screen buffer to extension
Front raw capacity；
Or, the second adjusting module, for after the screen buffer extending described video, however, it is determined that broadcasting of described video
The state of putting is smooth and easy state, then the capacity of described screen buffer adjusts the raw capacity to extension.
The technical scheme that embodiments of the invention provide can include following beneficial effect:
Disclosure one video broadcasting method and device.In the method, first obtain the broadcast state of video, if institute
The broadcast state stating video is card state, then extend the screen buffer of described video, and during video buffer,
The video file read from server is stored in the screen buffer to extension.
By video broadcasting method disclosed in the present application and device, it is possible in the case of card occurs in video playback, extension
In the screen buffer of video, and screen buffer video file stored to extension, for prior art,
In the application, by the screen buffer after extension, it is possible to store the video file of more multicapacity, thus at video recovery
After broadcasting, alleviate the phenomenon that picture card pauses.
It should be appreciated that it is only exemplary and explanatory that above general description and details hereinafter describe, can not
Limit the present invention.
Accompanying drawing explanation
Accompanying drawing herein is merged in description and constitutes the part of this specification, it is shown that meet the enforcement of the present invention
Example, and for explaining the principle of the present invention together with description.
Fig. 1 is the workflow schematic diagram according to a kind of video broadcasting method shown in the present invention one exemplary embodiment；
Fig. 2 is according in a kind of video broadcasting method shown in the present invention one exemplary embodiment, extending video relief area
Workflow schematic diagram；
Fig. 3 is the structural representation according to a kind of video play device shown in the present invention one exemplary embodiment.
Detailed description of the invention
Here will illustrate exemplary embodiment in detail, its example represents in the accompanying drawings.Explained below relates to attached
During figure, unless otherwise indicated, the same numbers in different accompanying drawings represents same or analogous key element.Following exemplary is implemented
Embodiment described in example does not represent all embodiments consistent with the present invention.On the contrary, they be only with such as
The example of the apparatus and method that some aspects that described in detail in appended claims, the present invention are consistent.
Disclosure one video broadcasting method and device, to solve in prior art, video occurs in playing process
The problem that picture card pauses.
The open a kind of video broadcasting method of embodiments herein one.Workflow schematic diagram shown in Figure 1, described
Video broadcasting method comprises the following steps:
Step S11, in video display process, obtain the broadcast state of described video, wherein, the broadcasting of described video
State includes: smooth and easy state and Ka Dun state.
If the broadcast state of the described video of step S12 is card state, extend the screen buffer of described video.
If the broadcast state of described video is card state, the viewing that can affect user is experienced, and therefore, user is the most right
Terminal unit operates, and makes video pause play.Within the time suspended, terminal unit still can be read from server
Take video file, and the video file read is stored to screen buffer.In this case, in order to regarding
Frequently the more video file of storage in relief area, in scheme disclosed in the present application, needs the video extending described video to delay
Rush district.
Step S13, during described video buffer, the video file read from server is stored to extension after
Described screen buffer in.
The open a kind of video broadcasting method of the first embodiment of the application, in the method, first obtains the broadcast state of video,
If the broadcast state of described video is card state, then extend the screen buffer of described video, and in video buffer process
In, the video file read from server is stored in the screen buffer to extension.
By video broadcasting method disclosed in the present application, it is possible in the case of card occurs in video playback, extending video
In screen buffer, and screen buffer video file stored to extension, for prior art, this Shen
In please, by the screen buffer after extension, it is possible to store the video file of more multicapacity, thus play at video recovery
Afterwards, the phenomenon that picture card pauses is alleviated.
In video broadcasting method disclosed in the present application, disclosing when the broadcast state of video is for card state, extension is described
The step of the screen buffer of video.This step can be accomplished in several ways.
In in one way in which, the screen buffer of the described video of described extension includes:
First, extension multiple m required during this screen buffer extending described video is obtained；
Then, extend described screen buffer according to described extension multiple m, so that the appearance after the extension of described screen buffer
Amount is m times of the raw capacity before extension.
Such as, if this required extension multiple m is 2, in this case, according to described extension multiple m extension
After screen buffer, the screen buffer after extension is 2 times of the raw capacity of extension money.
In a further mode of operation, the screen buffer of the described video of described extension includes: by the capacity of described screen buffer
Extend to the capacity preset.
In this case, need in advance the capacity of the screen buffer after extension to be configured, thus after expansion, make
The capacity of described screen buffer reaches described default capacity.
Further, in a further mode of operation, schematic flow sheet shown in Figure 2, regarding of the described video of described extension
Frequently relief area comprises the following steps:
Step S21, obtain described video occur card immediately, described video is not play part capacity, and, obtain
Take current network speed and video playback speed.
Step S22, according to described video is not play part capacity, current network speed and video playback speed, calculate
Described video, in the case of smooth and easy broadcasting, needs the video capacity of buffering.
Owing to, in video display process, terminal unit remains able to read video file, therefore, this step from server
In Zhou, need to combine each factors such as not playing capacity, current network speed and video playout speed partly in described video,
If calculating the smooth and easy broadcasting of video, need the video capacity of buffering.
Step S23, the video capacity buffered according to described needs, extend described screen buffer, so that the institute after Kuo Zhan
State the capacity of screen buffer not less than the described video capacity needing buffering.Under normal circumstances, the video buffer after extension
The capacity in district is generally equal to the described video capacity needing buffering.
Such as, if in the step s 21, determining that the capacity not playing part in video is 10MB, current network speed is 1MB/S,
Video playout speed is 2MB/S.In this case, the capacity that can arrange the screen buffer after extension is 6MB.Work as video
Suspend play after, extension rear video relief area in storage video file be 6MB, when recover video broadcasting after, due to
Video playout speed is 2MB/S, therefore, through the time of 3 seconds, can be play by the video file that store when suspending and play
Complete, but, within this time period of 3 seconds, owing to current network speed is 1MB/S, then in playing process, video delays
Rushing the video file that can store again 3MB in district, the most remaining video file not buffered is 1MB.And play this 3MB
The video file of video file be time-consumingly 1.5 seconds, in the time of 1.5 seconds, 1.5MB can be stored in screen buffer
Video file, more than the described remaining video file not buffered.Understand in conjunction with said process, if by screen buffer
Capacity extension be 6MB, the smooth and easy broadcasting of video can be realized.
Operation by step S21 to step S23, it is possible to realize the extension to screen buffer, and, pass through the party
Formula carries out the extension of screen buffer, it is possible to ensure the smooth and easy broadcasting of video.
If it addition, in video broadcasting method disclosed in the present application, extending the appearance of described screen buffer according to extension multiple m
Amount, can pre-set extension multiple m.In this case, need in advance described extension multiple m is configured and is stored,
When screen buffer is extended by needs, according to setting in advance, determine described extension multiple m.In the method,
Owing to extension multiple m pre-sets and stores, therefore can be to extend multiple m described in quick obtaining.
In a further mode of operation, this required extension multiple m when extending the screen buffer of described video of described acquisition,
Comprise the following steps:
First, the internal memory service condition that terminal unit is current is obtained；
Then, according to the mapping relations between default internal memory service condition and extension multiple, and described terminal unit is worked as
Front internal memory service condition, obtains this required extension multiple m.
In this approach, need to preset the mapping relations between internal memory service condition and extension multiple.Close in this mapping
In system, be normally set up memory usage higher in the case of, corresponding extension multiple m is less, and described internal memory use
In the case of rate is relatively low, corresponding extension multiple m is bigger.
By the way, it is possible to according to the internal memory service condition of terminal unit, extending video relief area flexibly.Wherein,
If the memory usage of terminal unit is higher, then in terminal unit, other programs may need to take more cushion space,
In this case, in mapping relations, the extension multiple m setting its correspondence is less, so that the extension of screen buffer
Amplitude is less, it is possible to reserve more cushion space for other programs.If the memory usage of terminal unit is relatively low, then terminal
The cushion space that in equipment, other programs take may be less, in this case, in mapping relations, sets its correspondence
Extension multiple m is relatively big, so that the extended amplitude of screen buffer is bigger.
Further, in video broadcasting method disclosed in the present application, need to obtain the broadcast state of video, in order to according to institute
The broadcast state stating video determines the need for extending video relief area.In the application, video can be obtained by multiple method
Broadcast state.
In in one way in which, the broadcast state of described acquisition video includes:
In described video display process, if in default first time period, there is n above interruption in described video
Phenomenon, it is determined that the broadcast state of described video is card state, and wherein, n is default integer.
Such as, if the first time period preset is 10 minutes, n is 3, then in video display process, and 10 minutes
Within video occur for 3 times or interrupt more times, it is determined that the broadcast state of video is a card state.
Accordingly, in this case, if there is not disruption in described video, although or video disruption occurs,
But in default first time period, the number of times of video breaks is less than n time, it is determined that the broadcast state of video is smooth and easy
State.
Or, in a further mode of operation, the broadcast state of described acquisition video includes:
In described video display process, if there is video breaks, and the time interrupted exceedes the second default time period,
Then determine that the broadcast state of described video is for blocking a state.
Such as, can set for the second time period as 1 minute, then in video display process, if the time of video breaks exceedes
1 minute, it is determined that the broadcast state of described video is card state.
Accordingly, in this case, if there is not disruption in described video, although or video disruption occurs,
But the time of video breaks is not less than described the second default time period, then can determine that the broadcast state of video is smooth and easy
State.
By scheme disclosed above, it is possible to obtain the broadcast state of video, in order to the follow-up broadcasting shape according to described video
State, it is determined whether extending video relief area.
Further, in video broadcasting method disclosed in the present application, the screen buffer of the described video of described extension includes:
First, the first address of the screen buffer before extension is obtained；
Then, obtain the blank relief area in relief area, and from described blank relief area, search destination buffer, wherein,
The address of described destination buffer is nearest with described first address, and the capacity of described destination buffer is capacity to be extended,
Using described destination buffer as screen buffer.
Wherein, the capacity of the screen buffer before setting extension as raw capacity, the capacity of the screen buffer after extension is
Capacity after extension, after described extension difference between capacity and raw capacity be described in capacity to be extended.
Such as, if before extension, the capacity of screen buffer is 10MB, and the capacity of the screen buffer after extension is 30MB,
The most described raw capacity is 10MB, and after described extension, capacity is 30MB, described in capacity to be extended be 20MB.Obtaining institute
After stating the first address, in whole relief area, inquire about closest with described first address, and capacity is the relief area of 20MB
Territory is as destination buffer, and this destination buffer is expanded to screen buffer.
In this case, if there is not occupied buffer area between the screen buffer before Kuo Zhan and destination buffer,
The end address of the screen buffer before the most described extension is the start address of described destination buffer, consequently facilitating realize right
The storage of video file.
It addition, in another kind of extended mode, it is also possible to according to raw capacity and extension procurement of reserve capacity capacity to be extended, so
After arbitrarily choose in blank relief area capacity be described in the buffer area of capacity to be extended, as destination buffer,
And using described destination buffer as screen buffer, thus realize the extension to screen buffer.
Further, video broadcasting method disclosed in the present application also includes:
After this video playback terminates, the capacity of described screen buffer is adjusted the raw capacity to extension.
Or, video broadcasting method disclosed in the present application also includes: after the screen buffer extending described video, if really
The broadcast state of fixed described video is smooth and easy state, then the capacity of described screen buffer adjusts the original appearance to extension
Amount.
Behind extending video relief area, in the video file storage read from server screen buffer after expansion,
In this case, in terminal unit, the capacity of the video file of storage is relatively big, thus the video in removing screen buffer
During file, more time can be expended, even can affect the response speed of terminal unit in reset procedure.Therefore, this Shen
In video broadcasting method disclosed in please, after this video playback terminates, perform to adjust the capacity of described screen buffer
The operation of the raw capacity to extension, in order to during video playback next time, still use the screen buffer of raw capacity to enter
The buffering of row video, or, when video broadcasting condition is smooth and easy state, during the capacity of described screen buffer is adjusted
Raw capacity before extension, it is to avoid store the video file of larger capacity in screen buffer, reduces follow-up removing video
The time spent by video file in relief area.
Accordingly, the open a kind of video play device of the second embodiment of the application, structural representation shown in Figure 3,
Described video play device includes: broadcast state acquisition module 100, relief area expansion module 200 and memory module 300.
Wherein, described broadcast state acquisition module 100, in video display process, obtain the broadcasting of described video
State, wherein, the broadcast state of described video includes: smooth and easy state and Ka Dun state；
Described relief area expansion module 200, if the broadcast state for described video is card state, extends described video
Screen buffer；
Described memory module 300, is used for during described video buffer, the video file that will read from server
Store in the described screen buffer to extension.
By video play device disclosed in the present application, it is possible in the case of card occurs in video playback, extending video
In screen buffer, and screen buffer video file stored to extension, for prior art, this Shen
In please, by the screen buffer after extension, it is possible to store the video file of more multicapacity, thus play at video recovery
Afterwards, the phenomenon that picture card pauses is alleviated.
It addition, in video play device disclosed in the present application, when the broadcast state of video is for card state, by institute
State relief area expansion module and extend the screen buffer of described video.Wherein, described relief area expansion module can be multiple shape
Formula.
Wherein in a kind of form, described relief area expansion module includes: extension multiple acquiring unit and the first expanding element.
Wherein, described extension multiple acquiring unit, required during for obtaining this screen buffer extending described video
Extension multiple m；
Described first expanding element, for extending described screen buffer according to described extension multiple m, so that described video
Capacity after the extension of relief area is m times of the raw capacity before extension.
Such as, if this required extension multiple m is 2, in this case, according to described extension multiple m extension
After screen buffer, the screen buffer after extension is 2 times of the raw capacity of extension money.
In another form, described relief area expansion module includes: parameter acquiring unit, computing unit and the second extension
Unit.
Parameter acquiring unit, is used for obtaining described video and card is occurring immediately, do not play the capacity of part in described video,
Further, current network speed and video playback speed are obtained；
Computing unit, is used for according to capacity, current network speed and the video playout speed not playing part in described video,
Calculate described video in the case of smooth and easy broadcasting, need the video capacity of buffering；
Second expanding element, for according to the described video capacity needing buffering, extending described screen buffer, so that expanding
The capacity of the described screen buffer after exhibition is not less than the described video capacity needing buffering.
Owing to, in video display process, terminal unit remains able to read video file from server, therefore, described
Computing unit need to combine described video is not play part capacity, current network speed and video playout speed etc. each because of
Element, if calculating the smooth and easy broadcasting of video, needs the video capacity of buffering.
Such as, however, it is determined that the capacity not playing part in video is 10MB, and current network speed is 1MB/S, video playback speed
Degree is 2MB/S.In this case, the capacity that can arrange the screen buffer after extension is 6MB.After video pause is play,
In extension rear video relief area, the video file of storage is 6MB, when after the broadcasting recovering video, due to video playout speed
For 2MB/S, therefore, through the time of 3 seconds, the video file stored can be played when suspending and play, but,
In this time period of 3 seconds, owing to current network speed is 1MB/S, then in playing process, screen buffer can be deposited again
The video file of storage 3MB, the most remaining video file not buffered is 1MB.And play the video file of this 3MB
Video file be time-consumingly 1.5 seconds, in the time of 1.5 seconds, the video file of 1.5MB can be stored in screen buffer,
More than the described remaining video file not buffered.Understand in conjunction with said process, if by the capacity extension of screen buffer being
6MB, can realize the smooth and easy broadcasting of video.
By parameter acquiring unit, computing unit and the second expanding element, it is possible to realize the extension to screen buffer, and
And, carried out the extension of screen buffer by above three unit, it is possible to ensure the smooth and easy broadcasting of video.
If in video broadcasting method disclosed in the present application, extend the capacity of described screen buffer according to extension multiple m, can
Pre-set extension multiple m.In this case, described extension multiple m is carried out by described extension multiple acquiring unit in advance
Arrange and store, when screen buffer is extended by needs, according to setting in advance, determine described extension multiple m.
It addition, in another form, described extension multiple acquiring unit includes:
First obtains subelement, for obtaining the internal memory service condition that terminal unit is current；
Second obtains subelement, the mapping relations between internal memory service condition and the extension multiple preset for basis, and
The internal memory service condition that described terminal unit is current, obtains this required extension multiple m.
Obtain subelement and second by first and obtain subelement, it is possible to according to the internal memory service condition of terminal unit, flexibly
Extending video relief area.Wherein, if the memory usage of terminal unit is higher, then in terminal unit, other programs may
Needing to take more cushion space, in this case, in mapping relations, the extension multiple m setting its correspondence is less,
So that the extended amplitude of screen buffer is less, it is possible to reserve more cushion space for other programs.If terminal unit
Memory usage is relatively low, then the cushion space that in terminal unit, other programs take may be less, in this case, is reflecting
Penetrating in relation, the extension multiple m setting its correspondence is relatively big, so that the extended amplitude of screen buffer is bigger.
Further, in video play device disclosed in the present application, need to obtain video by broadcast state acquisition module
Broadcast state, wherein, described broadcast state acquisition module includes:
First broadcast state acquiring unit, in described video display process, if in default first time period,
There is n above disruption in described video, it is determined that the broadcast state of described video is card state, wherein, n
For default integer.
Or, described broadcast state acquisition module includes: the second broadcast state acquiring unit, in described video playback
During, if there is video breaks, and the time interrupted exceedes the second default time period, it is determined that broadcasting of described video
State of putting is for card state.
Further, described relief area expansion module includes:
Address acquisition unit, the first address of the screen buffer before obtaining extension；
Destination buffer acquiring unit, for obtaining the blank relief area in relief area, and looks into from described blank relief area
Looking for destination buffer, wherein, the address of described destination buffer is nearest with described first address, and described destination buffer
Capacity be capacity to be extended, using described destination buffer as screen buffer；
Wherein, the capacity of the screen buffer before setting extension as raw capacity, the capacity of the screen buffer after extension is
Capacity after extension, after described extension difference between capacity and raw capacity be described in capacity to be extended.
Such as, if before extension, the capacity of screen buffer is 10MB, and the capacity of the screen buffer after extension is 30MB,
The most described raw capacity is 10MB, and after described extension, capacity is 30MB, described in capacity to be extended be 20MB.Obtaining institute
After stating the first address, in whole relief area, inquire about closest with described first address, and capacity is the relief area of 20MB
Territory is as destination buffer, and this destination buffer is expanded to screen buffer.
In this case, if there is not occupied buffer area between the screen buffer before Kuo Zhan and destination buffer,
The end address of the screen buffer before the most described extension is the start address of described destination buffer, consequently facilitating realize right
The storage of video file.
It addition, described relief area expansion module can also be according to raw capacity and extension procurement of reserve capacity capacity to be extended, then
Blank relief area is arbitrarily chosen capacity be described in the buffer area of capacity to be extended, as destination buffer, and
Using described destination buffer as screen buffer, thus realize the extension to screen buffer.
Further, video play device disclosed in the present application also includes:
First adjusting module, for after this video playback terminates, adjusts the capacity of described screen buffer to extension
Front raw capacity；
Or, the second adjusting module, for after the screen buffer extending described video, however, it is determined that broadcasting of described video
The state of putting is smooth and easy state, then the capacity of described screen buffer adjusts the raw capacity to extension.
Behind extending video relief area, in the video file storage read from server screen buffer after expansion,
In this case, in terminal unit, the capacity of the video file of storage is relatively big, thus the video in removing screen buffer
During file, more time can be expended, even can affect the response speed of terminal unit in reset procedure.
Therefore, in video play device disclosed in the present application, after this video playback terminates, adjust by described first
The capacity of described screen buffer is adjusted the operation of the raw capacity to extension by module, in order to during video playback next time,
Still the screen buffer using raw capacity carries out the buffering of video, or, when video broadcasting condition is smooth and easy state,
Raw capacity before extending in the capacity of described screen buffer being adjusted by described second adjusting module, it is to avoid at video
Relief area stores the video file of larger capacity, reduce spent by the video file in follow-up removing screen buffer time
Between.
About the device in above-described embodiment, wherein modules performs the concrete mode of operation in relevant the method
Embodiment is described in detail, explanation will be not set forth in detail herein.
Those skilled in the art, after considering description and putting into practice invention disclosed herein, will readily occur to other of the present invention
Embodiment.The application is intended to any modification, purposes or the adaptations of the present invention, these modification, purposes
Or adaptations is followed the general principle of the present invention and includes that the embodiment of the present invention is undocumented in the art
Common knowledge or conventional techniques means.Description and embodiments is considered only as exemplary, the true scope of the present invention and essence
God is pointed out by claim below.
It should be appreciated that the invention is not limited in precision architecture described above and illustrated in the accompanying drawings, and
Various modifications and changes can carried out without departing from the scope.The scope of the present invention is only limited by appended claim.
Claims (14)
1. a video broadcasting method, it is characterised in that including:
In video display process, obtaining the broadcast state of described video, wherein, the broadcast state of described video includes:
Smooth and easy state and Ka Dun state；
If the broadcast state of described video is card state, extend the screen buffer of described video；
During described video buffer, the video file read from server is stored the described video to extension
In relief area.
Video broadcasting method the most according to claim 1, it is characterised in that the video of the described video of described extension delays
Rush district to include:
Obtain extension multiple m required during this screen buffer extending described video；
Described screen buffer is extended, so that the capacity after the extension of described screen buffer is for expanding according to described extension multiple m
M times of raw capacity before exhibition.
Video broadcasting method the most according to claim 1, it is characterised in that the video of the described video of described extension delays
Rush district to include:
Obtain described video and card is occurring immediately, described video is not play the capacity of part, and, obtain current net
Speed and video playback speed；
According to described video is not play capacity, current network speed and video playout speed partly, calculate described video and exist
In the case of smooth and easy broadcasting, need the video capacity of buffering；
According to the described video capacity needing buffering, extend described screen buffer, so that the described video buffer after Kuo Zhan
The capacity in district is not less than the described video capacity needing buffering.
Video broadcasting method the most according to claim 2, it is characterised in that this described video of extension of described acquisition
Screen buffer time required extension multiple m, including:
Obtain the internal memory service condition that terminal unit is current；
According to the mapping relations between default internal memory service condition and extension multiple, and current interior of described terminal unit
Deposit service condition, obtain this required extension multiple m.
Video broadcasting method the most according to claim 1, it is characterised in that the broadcast state of described acquisition video,
Including:
In described video display process, if in default first time period, there is n above interruption in described video
Phenomenon, it is determined that the broadcast state of described video is card state, and wherein, n is default integer；
Or,
In described video display process, if there is video breaks, and the time interrupted exceedes the second default time period,
Then determine that the broadcast state of described video is for blocking a state.
Video broadcasting method the most according to claim 1, it is characterised in that the video of the described video of described extension delays
Rush district, including:
Obtain the first address of the screen buffer before extension；
Obtain the blank relief area in relief area, and search destination buffer from described blank relief area, wherein, described
The address of destination buffer is nearest with described first address, and the capacity of described destination buffer is capacity to be extended, by institute
State destination buffer as screen buffer；
Wherein, the capacity of the screen buffer before setting extension as raw capacity, the capacity of the screen buffer after extension is
Capacity after extension, after described extension difference between capacity and raw capacity be described in capacity to be extended.
7. according to the video broadcasting method described in any one of claim 1 to 6, it is characterised in that also include:
After this video playback terminates, the capacity of described screen buffer is adjusted the raw capacity to extension；
Or,
After the screen buffer extending described video, however, it is determined that the broadcast state of described video is smooth and easy state, then by institute
The capacity stating screen buffer adjusts the raw capacity to extension.
8. a video play device, it is characterised in that including:
Broadcast state acquisition module, in video display process, obtains the broadcast state of described video, wherein, institute
The broadcast state stating video includes: smooth and easy state and Ka Dun state；
Relief area expansion module, if the broadcast state for described video is card state, the video extending described video delays
Rush district；
Memory module, for during described video buffer, stores the video file read from server to expansion
In described screen buffer after exhibition.
Video play device the most according to claim 8, it is characterised in that described relief area expansion module includes:
Extension multiple acquiring unit, extension multiple m required during for obtaining this screen buffer extending described video；
First expanding element, for extending described screen buffer according to described extension multiple m, so that described video buffer
Capacity after district's extension is m times of the raw capacity before extension.
Video play device the most according to claim 8, it is characterised in that described relief area expansion module includes:
Parameter acquiring unit, is used for obtaining described video and card is occurring immediately, do not play the capacity of part in described video,
Further, current network speed and video playback speed are obtained；
Computing unit, is used for according to capacity, current network speed and the video playout speed not playing part in described video,
Calculate described video in the case of smooth and easy broadcasting, need the video capacity of buffering；
Second expanding element, for according to the described video capacity needing buffering, extending described screen buffer, so that expanding
The capacity of the described screen buffer after exhibition is not less than the described video capacity needing buffering.
11. video play devices according to claim 9, it is characterised in that described extension multiple acquiring unit bag
Include:
First obtains subelement, for obtaining the internal memory service condition that terminal unit is current；
Second obtains subelement, the mapping relations between internal memory service condition and the extension multiple preset for basis, and
The internal memory service condition that described terminal unit is current, obtains this required extension multiple m.
12. video play devices according to claim 8, it is characterised in that described broadcast state acquisition module bag
Include:
First broadcast state acquiring unit, in described video display process, if in default first time period,
There is n above disruption in described video, it is determined that the broadcast state of described video is card state, wherein, n
For default integer；
Or,
Second broadcast state acquiring unit, in described video display process, if video breaks occurs, and interrupt
Time exceedes the second default time period, it is determined that the broadcast state of described video is card state.
13. video play devices according to claim 8, it is characterised in that described relief area expansion module includes:
Address acquisition unit, the first address of the screen buffer before obtaining extension；
Destination buffer acquiring unit, for obtaining the blank relief area in relief area, and looks into from described blank relief area
Looking for destination buffer, wherein, the address of described destination buffer is nearest with described first address, and described destination buffer
Capacity be capacity to be extended, using described destination buffer as screen buffer；
Wherein, the capacity of the screen buffer before setting extension as raw capacity, the capacity of the screen buffer after extension is
Capacity after extension, after described extension difference between capacity and raw capacity be described in capacity to be extended.
14. according to Claim 8 to the video play device described in 13 any one, it is characterised in that also include:
First adjusting module, for after this video playback terminates, adjusts the capacity of described screen buffer to extension
Front raw capacity；
Or,
Second adjusting module, for after the screen buffer extending described video, however, it is determined that the broadcast state of described video
For smooth and easy state, then the capacity of described screen buffer is adjusted the raw capacity to extension.
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| CN201610284532.1A CN105898536A (en) | 2016-04-29 | 2016-04-29 | Video play method and device |
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| CN201610284532.1A CN105898536A (en) | 2016-04-29 | 2016-04-29 | Video play method and device |
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