CN106792160A - Video playback data adjustment method and system - Google Patents
Video playback data adjustment method and system Download PDFInfo
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- CN106792160A CN106792160A CN201611215119.6A CN201611215119A CN106792160A CN 106792160 A CN106792160 A CN 106792160A CN 201611215119 A CN201611215119 A CN 201611215119A CN 106792160 A CN106792160 A CN 106792160A
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- 238000006243 chemical reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440263—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA
-
- 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
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44209—Monitoring of downstream path of the transmission network originating from a server, e.g. bandwidth variations of a wireless network
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a kind of video playback data adjustment method, the method comprising the steps of：When the network signal intensity for detecting current video of televising changes, the network signal intensity is obtained；Judge the network signal intensity whether in the range of preset strength；If the determination result is YES, then basis presets the resolution ratio that adjustment formula adjusts the video screen in default resolving range so that the default adjustment formula is corresponding to be worth maximum.The invention also discloses a kind of video playback data alignment system.The present invention is realized when the network signal intensity for playing video is poor, the resolution ratio of video screen is adjusted according to default adjustment formula, so that TV is in the case where network signal intensity is poor, it is ensured that the fluency of video playback and the definition of video playback picture.
Description
Technical field
The present invention relates to multimedia television field, more particularly to a kind of video playback data adjustment method and system.
Background technology
With science and technology progress and the improvement of people's living standards, the also more and more higher of the requirement to TV,
Especially for the requirement of intelligent television order video.We, when network signal intensity is bad, hold when order video is watched
Easily there is interim card or the slack problem of video playback picture.Solving the bad method of network signal intensity at present has：1. exist
The local buffered video of video cardton, makes the video buffer played be played again after for a period of time；2. broadcast in the place of interim card
Put the low video of resolution ratio.If first method buffer time is long, user's patience can be caused to lack, user may just exit this
Order video, the order video is not reviewed.And the second way can reduce the definition of video playback picture, user is likely to
Exit and watch the order video.
The content of the invention
It is a primary object of the present invention to provide a kind of video playback data adjustment method and system, it is intended to solve in network
When signal intensity is bad, easily there is video cardton and the unsharp technical problem of broadcasting pictures.
To achieve the above object, the present invention provides a kind of video playback data adjustment method, and the video playback data are adjusted
Adjusting method includes step：
When the network signal intensity for detecting current video of televising changes, the network signal intensity is obtained；
Judge the network signal intensity whether in the range of preset strength；
If the determination result is YES, then the video screen is adjusted according to default adjustment formula in default resolving range
Resolution ratio so that the corresponding value of the default adjustment formula is maximum.
Preferably, it is described if the determination result is YES, then according to default adjustment formula adjustment in default resolving range
The resolution ratio of the video screen so that the default adjustment formula is corresponding to be worth after maximum step, also includes：
Obtain the size range of the television video broadcasting pictures；
In the size range according to the resolution adjustment after adjustment video playback picture size.
Preferably, it is described when the network signal intensity for detecting current video of televising changes, obtain the network
Before the step of signal intensity, also include：
Played data and default adjustment formula model y=ar+bs+cn that acquisition prestores；
Wherein, y is the corresponding value of the default adjustment formula, and a, b and c are the parameter of the default adjustment formula, and r is represented
Resolution ratio, s represents the size of the video screen, and n represents network signal intensity；
The played data is included in three-dimensional system of coordinate in the form of discrete point, wherein, the played data includes
The resolution ratio, the size of the video screen and the network signal intensity；
Choose in the three-dimensional system of coordinate and meet during pre-conditioned discrete point calculates the default adjustment formula model
The value of a, b and c, obtains the default adjustment formula.
Preferably, described selection in the three-dimensional system of coordinate meets the pre-conditioned discrete point calculating default adjustment
The value of a, b and c in formula model, obtain it is described it is default adjustment formula the step of include：
The corresponding discrete point of different resolution is chosen in the three-dimensional system of coordinate, is the first discrete point；
Discrete point of the network signal intensity in the range of the preset strength is chosen in the three-dimensional system of coordinate, is second
Discrete point；
According to a, b and c in first discrete point and second discrete point calculating default adjustment formula model
Value, obtains the default adjustment formula.
Preferably, it is described judge the step of whether network signal intensity is in the range of preset strength after, also include：
If judged result is no, and the network signal intensity is then buffered less than the minimum value of the preset strength scope
The current video；
If judged result is no, and the network signal intensity is then obtained more than the maximum of the preset strength scope
The maximum of the maximum of the resolution ratio and the television video broadcasting pictures；
The maximum of maximum and the video playback picture according to the resolution ratio plays the current video.
Additionally, to achieve the above object, the present invention also provides a kind of video playback data alignment system, the video playback
Data alignment system includes：
Acquisition module, for when the network signal intensity for detecting current video of televising changes, obtaining the net
Network signal intensity；
Judge module, for judging the network signal intensity whether in the range of preset strength；
Adjusting module, for if the determination result is YES, then being adjusted according to default adjustment formula in default resolving range
The resolution ratio of the whole video screen so that the default adjustment formula is corresponding to be worth maximum.
Preferably, the acquisition module is additionally operable to obtain the size range of the television video broadcasting pictures；
The adjusting module is additionally operable in the size range video playback according to the resolution adjustment after adjustment
The size of picture.
Preferably, the acquisition module is additionally operable to obtain the played data and default adjustment formula model y=ar+bs for prestoring
+cn；
Wherein, y is the corresponding value of the default adjustment formula, and a, b and c are the parameter of the default adjustment formula, and r is represented
Resolution ratio, s represents the size of the video screen, and n represents network signal intensity；
The video playback data alignment system also includes：
Display module, for the played data to be included in three-dimensional system of coordinate in the form of discrete point, wherein, it is described
Played data includes the resolution ratio, the size of the video screen and the network signal intensity；
Computing module, the pre-conditioned discrete point calculating default tune is met for being chosen in the three-dimensional system of coordinate
The value of a, b and c in whole formula model, obtains the default adjustment formula.
Preferably, the computing module includes：
Unit is chosen, is first discrete for choosing the corresponding discrete point of different resolution in the three-dimensional system of coordinate
Point；Discrete point of the network signal intensity in the range of the preset strength is chosen in the three-dimensional system of coordinate, is second discrete
Point；
Computing unit, for calculating the default adjustment formula mould according to first discrete point and second discrete point
The value of a, b and c in type, obtains the default adjustment formula.
Preferably, the video playback data alignment system also includes：
Buffer module, if it is no for judged result, and the network signal intensity is less than the preset strength scope
Minimum value, then buffer the current video；
If it is no that the acquisition module is additionally operable to judged result, and the network signal intensity is more than the preset strength model
The maximum enclosed, then obtain the maximum of the resolution ratio and the maximum of the television video broadcasting pictures；
The video playback data alignment system also includes：Playing module, for the maximum according to the resolution ratio and
The maximum of the video playback picture plays the current video.
The present invention is by when the network signal intensity for detecting current video of televising changes, obtaining the network letter
Whether number intensity, judges the network signal intensity in the range of preset strength, if the network signal intensity is in preset strength
In the range of, then the resolution ratio of the video screen is adjusted according to default adjustment formula in default resolving range so that institute
State the corresponding value of default adjustment formula maximum.Realize when the network signal intensity for playing video is poor, according to default tune
Whole formula adjusts the resolution ratio of video screen so that TV is in the case where network signal intensity is poor, it is ensured that video playback
The definition of fluency and video playback picture.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of video playback data adjustment method first embodiment of the present invention；
Fig. 2 is the schematic flow sheet of video playback data adjustment method second embodiment of the present invention；
Fig. 3 is the high-level schematic functional block diagram of video playback data alignment system preferred embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of video playback data adjustment method.
Reference picture 1, Fig. 1 is the schematic flow sheet of video playback data adjustment method first embodiment of the present invention.
In the present embodiment, the video playback data adjustment method includes：
Step S10, when the network signal intensity for detecting current video of televising changes, obtains the network signal
Intensity；
When TV electrifying startup, and the network signal intensity for playing current video is detected when changing, obtain current
Network signal intensity.Further, after electricity on the TV, the resolution ratio of the video screen is obtained.Specifically, institute is worked as
After stating TV electrifying startup, storage is obtained in E2PROM (Electrically Erasable Programmable Read-
Only Memory, EEPROM) resolution ratio in memory.
Whether step S20, judge the network signal intensity in the range of preset strength；
After the network signal intensity is got, judge the network signal intensity whether in the range of preset strength.
In the present embodiment, the maximum of the preset strength scope is played corresponding to video under normal circumstances equal to the TV
Network signal intensity, minimum value be equal to user institute it is receptible described in televise the lowest resolution and video playback of video
Network signal intensity corresponding to the minimum dimension of picture.It refers to that the TV exists that the TV plays video under normal circumstances
Video is played when its ultimate resolution that can be supported and maximum video playback picture dimension.
Step S30, it is if the determination result is YES, then according to default adjustment formula adjustment in default resolving range
The resolution ratio of video screen so that the default adjustment formula is corresponding to be worth maximum.
When the network signal intensity is in the range of the preset strength, default resolving range is obtained, default
Resolving range in the resolution ratio of the video screen is adjusted according to default adjustment formula so that the default adjustment formula pair
The value answered is maximum.In the present embodiment, the minimum value of default resolving range is equal to the receptible TV of user institute and broadcasts
Minimum resolution ratio when putting video, the maximum of the resolving range be equal to it is described televise video when the maximum supported
Resolution ratio.It should be noted that when the network signal intensity is constant, resolution ratio is higher, the video that the TV is played
More easily there is interim card；When the size of the television video broadcasting pictures is bigger, more easily there is interim card in the video played；
In the case that the TV resolution and the picture dimension of televising are constant, the network signal intensity is better, described
The definition of video screen is higher.It follows that the resolution ratio of the definition of the TV and the video screen and described
Network signal intensity is linear, and the default adjustment relation is linear default adjustment relation.
Further, the video playback data adjustment method also includes：
Step a, played data and default adjustment formula model y=ar+bs+cn that acquisition prestores；
Wherein, y is the corresponding value of the default adjustment formula, and a, b and c are the parameter of the default adjustment formula, and r is represented
Resolution ratio, s represents the size of the video screen, and n represents network signal intensity；
Step b, the played data is included in three-dimensional system of coordinate in the form of discrete point, wherein, the broadcasting number
According to including the resolution ratio, the size of the video screen and the network signal intensity；
Step c, chooses in the three-dimensional system of coordinate and meets the pre-conditioned discrete point calculating default adjustment formula
The value of a, b and c in model, obtains the default adjustment formula.
Further, the played data and default adjustment formula model y=ar+bs+cn for prestoring, the played data are obtained
From different TVs, to allow that the default adjustment formula is applicable different TVs.Wherein, the default adjustment is public
Y in formula model is the value of the default adjustment formula, represents the general effect that the television video is played, that is, represent user couple
The satisfaction of video playback picture.The y is bigger, shows that user is more satisfied to video playback picture.User can broadcast according to difference
Put the y values that the result of broadcast corresponding to data determines corresponding to different played datas.Described a, b and c are public for the default adjustment
The parameter of formula, r represents resolution ratio, and s represents the size of the video screen, and n represents network signal intensity.It follows that described
The resolution ratio of played data including video screen, the size of video screen and corresponding network signal intensity, the resolution ratio and
The size of the screen and the network signal intensity are corresponded.
After the played data is obtained, the played data is included in three-dimensional system of coordinate in the form of discrete point.
Such as the resolution ratio can be represented with the x-axis in the three-dimensional system of coordinate, y-axis represents the size of the video screen, and z-axis is represented
The network signal intensity.When by the played data with the form of discrete point include in the three-dimensional system of coordinate after, in institute
Selection meets pre-conditioned discrete point in stating three-dimensional system of coordinate, and determines the y values corresponding to the discrete point, according to described
Discrete point and corresponding y values calculate the value of a, b and c in the default adjustment formula model, obtain the default adjustment formula.
Further, step c includes：
Step c1, chooses the corresponding discrete point of different resolution in the three-dimensional system of coordinate, is the first discrete point；
Step c2, chooses network signal intensity discrete in the range of the preset strength in the three-dimensional system of coordinate
Point, is the second discrete point；
Step c3, according to first discrete point and second discrete point calculate a in the default adjustment formula model,
The value of b and c, obtains the default adjustment formula.
Further, the discrete point corresponding to different resolution is chosen in the three-dimensional system of coordinate, first is designated as discrete
Point.It is understood that in the played data, it is understood that there may be some resolution ratio identical discrete points.Therefore, in order to reduce
Amount of calculation, during a, b and c value is calculated, only chooses the corresponding discrete point of different resolution.
Discrete point of the network signal intensity in the range of the preset strength is chosen in the three-dimensional system of coordinate, the is designated as
Two discrete points.It is understood that only in the case of the network signal intensity can not support TV normal play and described
When network signal intensity is in the acceptable scope of user, just need to go to adjust the television video broadcasting pictures.When it is determined that
When one discrete point and the second discrete point, institute is calculated according to first discrete point and second discrete point and corresponding y values
The value of a, b and c in default adjustment formula model is stated, the default adjustment formula is obtained.
It is possible to further choose the second discrete point in first discrete point.When the choosing in first discrete point
When getting second discrete point, the difference between resolution ratio and the screen size described in second discrete point is calculated,
And judge the difference whether less than or equal to predetermined threshold value.Chosen in second centrifugal pump difference be less than or
Equal to the discrete point corresponding to the predetermined threshold value, the 3rd discrete point is designated as.According to the 3rd discrete point and the described 3rd
The corresponding y values of discrete point calculate the value of a, b and c in the default adjustment formula model, obtain the default adjustment formula.Need
Illustrate, the predetermined threshold value can be set according to specific needs.
The present embodiment is by when the network signal intensity for detecting current video of televising changes, obtaining the network
Whether signal intensity, judges the network signal intensity in the range of preset strength, if the network signal intensity is default strong
In the range of degree, then the resolution ratio of the video screen is adjusted according to default adjustment formula in default resolving range so that
The default adjustment formula is corresponding to be worth maximum.Realize when the network signal intensity for playing video is poor, according to default
Adjustment formula adjusts the resolution ratio of video screen so that TV is in the case where network signal intensity is poor, it is ensured that video playback
Fluency and video playback picture definition.
The present invention further proposes video playback data adjustment method second embodiment.
The video playback data adjustment method second embodiment is implemented with the video playback data adjustment method first
The difference of example is that reference picture 2, the video playback data adjustment method also includes：
Step S40, obtains the size range of the television video broadcasting pictures；
Step S50, in the size range according to the resolution adjustment after adjustment video playback picture size.
If the network signal intensity is in the range of the preset strength, according to described pre- in the resolving range
If adjustment formula adjusts the resolution ratio of the video screen, to cause under the network signal intensity, the default adjustment is public
The corresponding value of formula is maximum.When the resolution for adjusting the video screen according to the default adjustment formula in the resolving range
After rate, the resolution ratio after being adjusted, and televise described in the obtaining size range of picture, the basis in the size range
The size of video playback picture described in resolution adjustment after adjustment so that the chi of the resolution ratio and the video playback picture
Difference between very little is less than or equal to the predetermined threshold value.It should be noted that the size range of the video playback picture
Maximum be equal to the size of the video screen, the minimum value of the size range of the video playback picture is user according to tool
Body needs to set.In the present embodiment, the resolution ratio is identical with the unit of the size of the video playback picture, such as all can be
Pixel.
Further, the video playback data adjustment method also includes：
Step d, if judged result is no, and the network signal intensity is less than the minimum value of the preset strength scope,
Then buffer the current video；
Step e, if judged result is no, and the network signal intensity is more than the maximum of the preset strength scope,
Then obtain the maximum of the resolution ratio and the maximum of the television video broadcasting pictures；
Step f, the maximum of maximum and the video playback picture according to the resolution ratio play described in work as forward sight
Frequently.
If the network signal intensity is not in the range of the preset strength, judge that the network signal intensity is less than
The minimum value of the preset strength scope is also greater than the maximum of the preset strength scope.When the network signal intensity is small
In the minimum value of the preset strength scope, then the current video that the TV is played is buffered；When the network signal intensity
More than the maximum of the preset strength scope, then the maximum of the resolution ratio and the maximum of the video playback picture are obtained
Value.It is understood that the maximum of the video playback picture is the size of the video screen.When obtaining the resolution ratio
Maximum and the television video broadcasting pictures maximum when, maximum and the video playback according to the resolution ratio
The maximum of picture plays the current video.
The present embodiment by adjusting the resolution ratio of video screen and the size of video playback picture, to realize TV in network
In the case that signal intensity is poor, it is ensured that the fluency of video playback and the definition of video playback picture.
The present invention further provides a kind of video playback data alignment system.
Reference picture 3, Fig. 3 is the high-level schematic functional block diagram of video playback data alignment system preferred embodiment of the present invention.
In the present embodiment, the video playback data alignment system includes：
Acquisition module 10, for when the network signal intensity for detecting current video of televising changes, obtaining described
Network signal intensity；
When TV electrifying startup, and detect the network signal intensity for playing current video when changing, acquisition module
10 obtain current network signal intensity.Further, after electricity on the TV, the acquisition module 10 obtains the TV
The resolution ratio of screen.Specifically, after the TV electrifying startup, the acquisition module 10 obtains storage in E2PROM
(Electrically Erasable Programmable Read-Only Memory, EEPROM)
Resolution ratio in memory.
Judge module 20, for judging the network signal intensity whether in the range of preset strength；
After the acquisition module 10 gets the network signal intensity, judge module 20 judges that the network signal is strong
Whether degree is in the range of preset strength.In the present embodiment, the maximum of the preset strength scope is equal to the TV just
The network signal intensity corresponding to video is played in the case of often, minimum value is equal to the receptible video of televising of user institute
Lowest resolution and video playback picture minimum dimension corresponding to network signal intensity.The TV is in normal condition
Lower video of playing refers to that the TV is played when the ultimate resolution and video playback picture dimension that it can be supported are maximum
Video.
Adjusting module 30, for if the determination result is YES, then according to default adjustment formula in default resolving range
Adjust the resolution ratio of the video screen so that the default adjustment formula is corresponding to be worth maximum.
When the network signal intensity is in the range of the preset strength, the acquisition module 10 obtains default resolution
Rate scope, adjusting module 30 adjusts the resolution of the video screen in default resolving range according to default adjustment formula
Rate so that the default adjustment formula is corresponding to be worth maximum.In the present embodiment, the minimum value of default resolving range is equal to
User it is receptible it is described televise video when minimum resolution ratio, the maximum of the resolving range is equal to the electricity
The ultimate resolution supported during depending on playing video.It should be noted that when the network signal intensity is constant, resolution ratio is got over
More easily there is interim card in height, the video that the TV is played；When the size of the television video broadcasting pictures is bigger, broadcast
More easily there is interim card in the video put；In the case that the TV resolution and the picture dimension of televising are constant, institute
State that network signal intensity is better, the definition of the video screen is higher.It follows that the definition of the TV and the electricity
The resolution ratio and the network signal intensity of screen curtain are linear, and the default adjustment relation is linear default adjustment
Relation.
Further, the acquisition module 10 is additionally operable to obtain the played data and default adjustment formula model y=for prestoring
ar+bs+cn；
Wherein, y is the corresponding value of the default adjustment formula, and a, b and c are the parameter of the default adjustment formula, and r is represented
Resolution ratio, s represents the size of the video screen, and n represents network signal intensity；
The video playback data alignment system also includes：
Display module, for the played data to be included in three-dimensional system of coordinate in the form of discrete point, wherein, it is described
Played data includes the resolution ratio, the size of the video screen and the network signal intensity；
Computing module, the pre-conditioned discrete point calculating default tune is met for being chosen in the three-dimensional system of coordinate
The value of a, b and c in whole formula model, obtains the default adjustment formula.
Further, the acquisition module 10 obtains the played data and default adjustment formula model y=ar+bs+ for prestoring
Cn, the played data derives from different TVs, to allow that the default adjustment formula is applicable different TVs.Its
In, the y in the default adjustment formula model is the value of the default adjustment formula, represents the totality that the television video is played
Effect, that is, represent satisfaction of the user to video playback picture.The y is bigger, shows that user is more satisfied to video playback picture.
User can be according to corresponding to the result of broadcast corresponding to different played datas determines different played datas y values.Described a, b and c
It is the parameter of the default adjustment formula, r represents resolution ratio, and s represents the size of the video screen, and n represents that network signal is strong
Degree.It follows that the played data includes that resolution ratio, the size of video screen and the corresponding network signal of video screen are strong
The size and the network signal intensity of degree, the resolution ratio and the screen are corresponded.
After the played data is obtained, display module includes in three-dimensional seat the played data in the form of discrete point
In mark system.Such as the resolution ratio can be represented with the x-axis in the three-dimensional system of coordinate, y-axis represents the size of the video screen,
Z-axis represents the network signal intensity.Included in the three-dimensional system of coordinate in the form of discrete point when by the played data
Afterwards, chosen in the three-dimensional system of coordinate and meet pre-conditioned discrete point, and determine the y values corresponding to the discrete point,
Computing module calculates the value of a, b and c in the default adjustment formula model according to the discrete point and corresponding y values, obtains
The default adjustment formula.
Further, the computing module includes：
Unit is chosen, is first discrete for choosing the corresponding discrete point of different resolution in the three-dimensional system of coordinate
Point；Discrete point of the network signal intensity in the range of the preset strength is chosen in the three-dimensional system of coordinate, is second discrete
Point；
Computing unit, for calculating the default adjustment formula mould according to first discrete point and second discrete point
The value of a, b and c in type, obtains the default adjustment formula.
Further, selection unit chooses the discrete point corresponding to different resolution in the three-dimensional system of coordinate, is designated as
First discrete point.It is understood that in the played data, it is understood that there may be some resolution ratio identical discrete points.Therefore,
In order to reduce amount of calculation, during a, b and c value is calculated, it is corresponding that the selection unit only chooses different resolution
Discrete point.
The selection unit chooses network signal intensity in the range of the preset strength in the three-dimensional system of coordinate
Discrete point, is designated as the second discrete point.It is understood that only when the network signal intensity can not support TV normal play
In the case of, and the network signal intensity in the acceptable scope of user when, just need to remove to adjust the television video and play
Picture.When it is determined that when the first discrete point and the second discrete point, computing unit is according to first discrete point and described second discrete
Point and corresponding y values calculate the value of a, b and c in the default adjustment formula model, obtain the default adjustment formula.
It is possible to further choose the second discrete point in first discrete point.When the selection unit is described the
Chosen in one discrete point during to second discrete point, the computing unit calculate resolution ratio described in second discrete point and
Difference between the screen size, and judge the difference whether less than or equal to predetermined threshold value.The selection unit exists
The difference is chosen in second centrifugal pump less than or equal to the discrete point corresponding to the predetermined threshold value, be designated as the 3rd from
Scatterplot.The computing unit calculates the default tune according to the 3rd discrete point and the corresponding y values of the 3rd discrete point
The value of a, b and c in whole formula model, obtains the default adjustment formula.It should be noted that the predetermined threshold value can be according to tool
Body needs to set.
The present embodiment is by when the network signal intensity for detecting current video of televising changes, obtaining the network
Whether signal intensity, judges the network signal intensity in the range of preset strength, if the network signal intensity is default strong
In the range of degree, then the resolution ratio of the video screen is adjusted according to default adjustment formula in default resolving range so that
The default adjustment formula is corresponding to be worth maximum.Realize when the network signal intensity for playing video is poor, according to default
Adjustment formula adjusts the resolution ratio of video screen so that TV is in the case where network signal intensity is poor, it is ensured that video playback
Fluency and video playback picture definition.
The present invention further provides video playback data alignment system second embodiment.
In the present embodiment, the acquisition module 10 is additionally operable to obtain the size range of the television video broadcasting pictures；
The adjusting module 30 is additionally operable to the video according to the resolution adjustment after adjustment in the size range and broadcasts
Put the size of picture.
If the network signal intensity is in the range of the preset strength, the adjusting module 30 is then in the resolution ratio model
The interior resolution ratio that the video screen is adjusted according to the default adjustment formula is enclosed, to cause under the network signal intensity,
The default adjustment formula is corresponding to be worth maximum.When the adjusting module 30 in the resolving range according to the default tune
After whole formula adjusts the resolution ratio of the video screen, the resolution ratio after being adjusted, the acquisition module 10 obtains the electricity
Depending on the size range of broadcasting pictures, the adjusting module 30 is in the size range according to the resolution adjustment after adjustment
The size of video playback picture so that the difference between the size of the resolution ratio and the video playback picture is less than or waits
In the predetermined threshold value.It should be noted that the maximum of the size range of the video playback picture is equal to the TV screen
The size of curtain, the minimum value of the size range of the video playback picture is set according to specific needs for user.In the present embodiment
In, the resolution ratio is identical with the unit of the size of the video playback picture, all can be such as pixel.
Further, the video playback data alignment system also includes：
Buffer module, if it is no for judged result, and the network signal intensity is less than the preset strength scope
Minimum value, then buffer the current video；
If it is no that the acquisition module is additionally operable to judged result, and the network signal intensity is more than the preset strength model
The maximum enclosed, then obtain the maximum of the resolution ratio and the maximum of the television video broadcasting pictures；
The video playback data alignment system also includes：Playing module, for the maximum according to the resolution ratio and
The maximum of the video playback picture plays the current video.
If not in the range of the preset strength, the judge module 20 judges the network to the network signal intensity
The minimum value that signal intensity is less than the preset strength scope is also greater than the maximum of the preset strength scope.When described
Less than the minimum value of the preset strength scope, what buffer module then buffered that the TV played works as forward sight to network signal intensity
Frequently；When maximum of the network signal intensity more than the preset strength scope, the acquisition module then obtains the resolution
The maximum of the maximum of rate and the video playback picture.It is understood that the maximum of the video playback picture is
The size of the video screen.When the maximum of the maximum for obtaining the resolution ratio and the television video broadcasting pictures,
Playing module plays the current video according to the maximum of the resolution ratio and the maximum of the video playback picture.
The present embodiment by adjusting the resolution ratio of video screen and the size of video playback picture, to realize TV in network
In the case that signal intensity is poor, it is ensured that the fluency of video playback and the definition of video playback picture.
It should be noted that herein, term " including ", "comprising" or its any other variant be intended to non-row
His property is included, so that process, method, article or system including a series of key elements not only include those key elements, and
And also include other key elements being not expressly set out, or also include for this process, method, article or system institute are intrinsic
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Also there is other identical element in the process of key element, method, article or system.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably implementation method.Based on such understanding, technical scheme is substantially done to prior art in other words
The part for going out contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used to so that a station terminal equipment (can be mobile phone, computer, clothes
Business device, air-conditioner, or network equipment etc.) perform method described in each embodiment of the invention.
The preferred embodiments of the present invention are these are only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of video playback data adjustment method, it is characterised in that the video playback data adjustment method includes following step
Suddenly：
When the network signal intensity for detecting current video of televising changes, the network signal intensity is obtained；
Judge the network signal intensity whether in the range of preset strength；
If the determination result is YES, then dividing for the video screen is adjusted according to default adjustment formula in default resolving range
Resolution so that the default adjustment formula is corresponding to be worth maximum.
2. video playback data adjustment method as claimed in claim 1, it is characterised in that it is described if the determination result is YES, then
The resolution ratio of the video screen is adjusted according to default adjustment formula in default resolving range so that the default adjustment
After the maximum step of the corresponding value of formula, also include：
Obtain the size range of the television video broadcasting pictures；
In the size range according to the resolution adjustment after adjustment video playback picture size.
3. video playback data adjustment method as claimed in claim 1, it is characterised in that described to work as when detecting to televise
When the network signal intensity of preceding video changes, the step of obtain the network signal intensity before, also include：
Played data and default adjustment formula model y=ar+bs+cn that acquisition prestores；
Wherein, y is the corresponding value of the default adjustment formula, and a, b and c are the parameter of the default adjustment formula, and r represents resolution
Rate, s represents the size of the video screen, and n represents network signal intensity；
The played data is included in three-dimensional system of coordinate in the form of discrete point, wherein, the played data includes described
Resolution ratio, the size of the video screen and the network signal intensity；
Choose in the three-dimensional system of coordinate meet pre-conditioned discrete point calculate in the default adjustment formula model a, b and
The value of c, obtains the default adjustment formula.
4. video playback data adjustment method as claimed in claim 3, it is characterised in that described in the three-dimensional system of coordinate
Selection meets the value that pre-conditioned discrete point calculates a, b and c in the default adjustment formula model, obtains the default adjustment
The step of formula, includes：
The corresponding discrete point of different resolution is chosen in the three-dimensional system of coordinate, is the first discrete point；
Discrete point of the network signal intensity in the range of the preset strength is chosen in the three-dimensional system of coordinate, is second discrete
Point；
The value of a, b and c in the default adjustment formula model is calculated according to first discrete point and second discrete point, is obtained
To the default adjustment formula.
5. the video playback data adjustment method as described in any one of Claims 1-4, it is characterised in that described in the judgement
After the step of whether network signal intensity is in the range of preset strength, also include：
If judged result is no, and the network signal intensity is then buffered described less than the minimum value of the preset strength scope
Current video；
If judged result is no, and the network signal intensity is then obtained described more than the maximum of the preset strength scope
The maximum of the maximum of resolution ratio and the television video broadcasting pictures；
The maximum of maximum and the video playback picture according to the resolution ratio plays the current video.
6. a kind of video playback data alignment system, it is characterised in that the video playback data alignment system includes：
Acquisition module, for when the network signal intensity for detecting current video of televising changes, obtaining the network letter
Number intensity；
Judge module, for judging the network signal intensity whether in the range of preset strength；
Adjusting module, for if the determination result is YES, then according to default adjustment formula adjustment institute in default resolving range
State the resolution ratio of video screen so that the default adjustment formula is corresponding to be worth maximum.
7. video playback data alignment system as claimed in claim 6, it is characterised in that the acquisition module is additionally operable to obtain
The size range of the television video broadcasting pictures；
The adjusting module is additionally operable in the size range video playback picture according to the resolution adjustment after adjustment
Size.
8. video playback data alignment system as claimed in claim 6, it is characterised in that the acquisition module is additionally operable to obtain
The played data for prestoring and default adjustment formula model y=ar+bs+cn；
Wherein, y is the corresponding value of the default adjustment formula, and a, b and c are the parameter of the default adjustment formula, and r represents resolution
Rate, s represents the size of the video screen, and n represents network signal intensity；
The video playback data alignment system also includes：
Display module, for the played data to be included in three-dimensional system of coordinate in the form of discrete point, wherein, the broadcasting
Data include the resolution ratio, the size of the video screen and the network signal intensity；
Computing module, the pre-conditioned discrete point calculating default adjustment public affairs are met for being chosen in the three-dimensional system of coordinate
The value of a, b and c in formula model, obtains the default adjustment formula.
9. video playback data alignment system as claimed in claim 8, it is characterised in that the computing module includes：
Unit is chosen, is the first discrete point for choosing the corresponding discrete point of different resolution in the three-dimensional system of coordinate；
Discrete point of the network signal intensity in the range of the preset strength is chosen in the three-dimensional system of coordinate, is the second discrete point；
Computing unit, for according in first discrete point and second discrete point calculating default adjustment formula model
The value of a, b and c, obtains the default adjustment formula.
10. the video playback data alignment system as described in any one of claim 6 to 9, it is characterised in that the video playback
Data alignment system also includes：
Buffer module, if it is no for judged result, and the network signal intensity is less than the minimum of the preset strength scope
Value, then buffer the current video；
If it is no that the acquisition module is additionally operable to judged result, and the network signal intensity is more than the preset strength scope
Maximum, then obtain the maximum of the resolution ratio and the maximum of the television video broadcasting pictures；
The video playback data alignment system also includes：Playing module, for the maximum according to the resolution ratio and described
The maximum of video playback picture plays the current video.
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| CN201611215119.6A CN106792160A (en) | 2016-12-23 | 2016-12-23 | Video playback data adjustment method and system |
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| CN201611215119.6A CN106792160A (en) | 2016-12-23 | 2016-12-23 | Video playback data adjustment method and system |
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