CN106856573B - A kind of optimization method and system of video playing power consumption - Google Patents
A kind of optimization method and system of video playing power consumption Download PDFInfo
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- CN106856573B CN106856573B CN201611074638.5A CN201611074638A CN106856573B CN 106856573 B CN106856573 B CN 106856573B CN 201611074638 A CN201611074638 A CN 201611074638A CN 106856573 B CN106856573 B CN 106856573B
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
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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
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
- H04N21/4436—Power management, e.g. shutting down unused components of the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
- H04N21/4854—End-user interface for client configuration for modifying image parameters, e.g. image brightness, contrast
Abstract
The present invention relates to optimization processing field more particularly to a kind of optimization methods and system of video playing power consumption.Wherein optimization method includes: to obtain the first resolution of a frame image and the display resolution of display terminal in video to be played；If first resolution is less than the display resolution of display terminal, the pixel value of each pixel of video to be played is increased into preset threshold, extends the first resolution of video to be played in such a way that column fill black pixel point using interlacing.Extend the first resolution of video to be played instead of difference arithmetic mode in the prior art every the mode of column filling black pixel point by using interlacing, it realizes and reduces the power consumption that low-resolution video plays on high-resolution equipment, and it is highlighted by the way that the pixel value of each pixel of video to be played is increased preset threshold realization, the loss of black pixel point bring image quality is made up, the power consumption of reduction video playing in the case where guaranteeing image quality close to original image quality.
Description
Technical field
The present invention relates to optimization processing field more particularly to a kind of optimization methods and system of video playing power consumption.
Background technique
With the development of mobile communication and people's living standards continue to improve, the use of mobile phone especially smart phone is got over
Come more universal.User can be used smart phone online and see video.The video of current many low resolution is enterprising in smart phone
Row video playing requires to expand by difference arithmetic since the display resolution of smart phone and the resolution ratio of video are different
Display resolution of the pixel by the increase resolution of original video extremely with smart phone is filled, however uses above method solution that can lead
It causes smart phone that more electricity are lost, the optimization problem of video playing power consumption is solved there is presently no better method.
Summary of the invention
It a kind of is reduced in the case where guaranteeing image quality close to original image quality the technical problems to be solved by the present invention are: providing
The optimization method and system for the power consumption that low-resolution video plays.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows:
A kind of optimization method of video playing power consumption, comprising:
Obtain the display resolution of the first resolution of a frame image and display terminal in video to be played；
If the first resolution is less than the display resolution of the display terminal, by each picture of video to be played
The pixel value of vegetarian refreshments increases preset threshold, extends the first of video to be played in such a way that column fill black pixel point using interlacing
It is played on the display terminal after resolution ratio.
Another technical solution that the present invention uses are as follows:
A kind of optimization system of video playing power consumption, including obtain module and expansion module；
The acquisition module, for obtaining the display of the first resolution and display terminal of a frame image in video to be played
Resolution ratio；
The expansion module will be to if being less than the display resolution of the display terminal for the first resolution
The pixel value for playing each pixel of video increases preset threshold, is expanded in such a way that column fill black pixel point using interlacing
It is played on the display terminal after opening up the first resolution of video to be played.
The beneficial effects of the present invention are:
The optimization method and system of video playing power consumption provided by the invention, suitable for working as first point of video to be played
When resolution is less than the display resolution of display terminal, as low-resolution video needs to treat when playing on high-resolution equipment
The first resolution for playing video is extended, and the mode by using interlacing every column filling black pixel point replaces the prior art
Middle difference arithmetic mode is realized to extend the first resolution of video to be played and reduces low-resolution video in high-resolution equipment
The power consumption of upper broadcasting, and highlighted by the way that the pixel value of each pixel of video to be played is increased preset threshold realization
Effect, and then compensate for the loss of black pixel point bring image quality guarantees image quality close to original image quality, and realization is guaranteeing that image quality connects
The power consumption that low-resolution video plays is reduced in the case where nearly original image quality.Video playing power consumption provided by the invention it is excellent
Change method and system and overcomes the technology prejudice that will affect image quality using black pixel point in the prior art.
Detailed description of the invention
Fig. 1 is the step flow chart of the optimization method of video playing power consumption of the invention；
Fig. 2 is the schematic diagram that first resolution is 3x2 in embodiments of the present invention；
Fig. 3 is the schematic diagram that the display resolution of display terminal in embodiments of the present invention is 6x4；
Fig. 4 is the schematic diagram of embodiments of the present invention；
Fig. 5 is the structural block diagram of the optimization system of video playing power consumption of the invention；
Label declaration:
1, module is obtained；2, expansion module.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, below in conjunction with embodiment and cooperate attached
Figure is explained.
The most critical design of the present invention is: being replaced in the prior art in such a way that column fill black pixel point using interlacing
Difference arithmetic mode extends the resolution ratio of video to be played, and by by the pixel of each pixel of video to be played
Value increases preset threshold, realizes the consumption that low-resolution video broadcasting can be reduced in the case where guaranteeing image quality close to original image quality
Electricity.
Please refer to Fig. 1, a kind of optimization method of video playing power consumption provided by the invention, comprising:
Obtain the display resolution of the first resolution of a frame image and display terminal in video to be played；
If the first resolution is less than the display resolution of the display terminal, by each picture of video to be played
The pixel value of vegetarian refreshments increases preset threshold, extends the first of video to be played in such a way that column fill black pixel point using interlacing
It is played on the display terminal after resolution ratio.
As can be seen from the above description, the beneficial effects of the present invention are:
The optimization method of video playing power consumption provided by the invention is small suitable for the first resolution when video to be played
When the display resolution of display terminal, as low-resolution video is needed when playing on high-resolution equipment to view to be played
The first resolution of frequency is extended, and the mode by using interlacing every column filling black pixel point replaces difference in the prior art
Algorithmic approach realizes that reduce low-resolution video plays on high-resolution equipment to extend the first resolution of video to be played
Power consumption, and highlight effect by the way that the pixel value of each pixel of video to be played is increased preset threshold realization,
And then the loss of black pixel point bring image quality is compensated for, guarantee image quality close to original image quality, realizes and guaranteeing image quality close to original
The power consumption that low-resolution video plays is reduced in the case where having image quality.The optimization side of video playing power consumption provided by the invention
Method and system overcome the technology prejudice that will affect image quality using black pixel point in the prior art.
Further, further includes: the preset threshold is 1 to 4.The optimal value of the preset threshold is 2.
Seen from the above description, rise in value to the pixel value of each pixel of video to be played, as each picture
The RGB of vegetarian refreshments uniformly adds preset threshold, in a specific embodiment, (R, G, B)=(1,2,3) of a certain pixel A, such as increase
Value 2, (R, G, B)=(3,4,5) of the pixel A after increment；Wherein selected threshold is related with the extension size of ratio value, if expanding
It is bigger to open up ratio value, then threshold value value is bigger；If it is smaller to extend ratio value, then threshold value value is smaller；It should be understood that
Video to be played before being not filled by black pixel point can be described as former video to be played herein；It is above-mentioned to former video to be played
In the value-added effect of pixel of each pixel be to promote the brightness of former video to be played, if without highlighting, in filling black
It will affect the image quality of entire video after pixel, although highlighting can be such that power consumption is promoted, replaced now using black pixel point
On the basis of having the mode using color pixel cell, integrally it is still able to reduce power consumption.Therefore aforesaid operations enable to
Guarantee image quality close to the power consumption for reducing low-resolution video broadcasting in the case where original image quality.
Further, if the first resolution be equal to display terminal display resolution a quarter, using every
A line divides the display that the first resolution of video to be played extends to display terminal every the mode of a column filling black pixel point
Resolution.
Seen from the above description, in the above-described embodiment, first resolution is 960 × 540, the display point of display terminal
Resolution is 1920 × 1080, and the as described first resolution is equal to a quarter of the display resolution of display terminal；Such as it is aobvious
The display resolution for showing terminal is 6 × 4, as shown in Fig. 2, first resolution is 3 × 2, is filled out every a line every a column by above-mentioned
The first resolution of video to be played is extended to the display resolution of display terminal by the mode for filling black pixel point, is obtained such as figure
Shown in 3, the black pixel point of filling is indicated without the box of small circle, obtained resolution ratio is 6 × 4, can shown
Display all over the screen in terminal.
Further, if the first resolution is less than a quarter of the display resolution of display terminal, first is obtained
The first level pixel value and the first vertical pixel value of resolution ratio obtain the of the display resolution of a quarter of display terminal
Two horizontal pixel values and the second vertical pixel value；
The second horizontal pixel value is calculated divided by first level pixel value, obtains horizontal proportion value；
The second vertical pixel value is calculated divided by the first vertical pixel value, obtains vertical scale value；
The size of comparison level ratio value and vertical scale value；
If horizontal proportion value is greater than vertical scale value, difference arithmetic is used to differentiate with vertical scale value scaling first
Rate obtains second resolution；
Using extending the second resolution by the way of a column filling black pixel point every a line, third resolution ratio is obtained
Video to be played；
The video to be played of the third resolution ratio plays between two parties in the display area of the display terminal；
If horizontal proportion value is less than vertical scale value, difference arithmetic is used to differentiate with horizontal proportion value scaling first
Rate obtains the 4th resolution ratio；
Using extending the 4th resolution ratio by the way of a column filling black pixel point every a line, the 5th resolution ratio is obtained
Video to be played；
The video to be played of 5th resolution ratio plays between two parties on the display terminal.
Seen from the above description, in the above-described embodiment, solution be video to be played first resolution width with
When the width of the display resolution of high ratio and display terminal is with high ratio difference, as using same ratio coefficient into
It is not all over the screen to will appear width Shi Ergao all over the screen when row extension, or high Shi Erkuan all over the screen not all over the screen, if width is all over the screen, height is carried out slotting
Value-based algorithm filler pixels point, as image longitudinal stretching；If when high all over the screen, carrying out interpolation algorithm filler pixels point to width, as
Image cross directional stretch, such as personage can be made to become slender perhaps short and stout therefore either longitudinal stretching or transverse direction in image
Stretching can all reduce image quality.
And if above-mentioned embodiment is a quarter for the display resolution that the first resolution is less than display terminal
When (i.e. the display resolution of display terminal is 1920 × 1080, and first resolution is lower than 960 × 540, such as 900 × 520), first adopt
It is extended in such a way that column fill black pixel point with existing difference arithmetic, then using interlacing provided in the present invention；
Wherein first use existing difference arithmetic specifically:
Calculate vertical scale value (960/900=1.067) and horizontal proportion value (540/520=1.038), as horizontal ratio
Example value is less than vertical scale value；
If horizontal proportion value is less than vertical scale value, difference arithmetic is used to differentiate with horizontal proportion value scaling first
Rate obtains the 4th resolution ratio；4th resolution ratio is (900 × 540/520) × (520 × 540/520)=934 × 540；
Using extending the 4th resolution ratio by the way of a column filling black pixel point every a line, the 5th resolution ratio is obtained
Video to be played；The 4th definition pixel point is as expanded to 1920 × 1080, due to keep the wide ratio between height
Example, so 934 × 540 expand to 1868 × 1080；
The case where constant rate between the width and height for keeping former video to be played, due to that all over the screen can not play, therefore will
Former video to be played is moved on the display terminal to be played between two parties, and concrete operations are as follows:
If above-mentioned situation is high Shi Erkuan all over the screen not all over the screen, specifically as shown in figure 4, as in display terminal display screen
Plane right-angle coordinate is established in display area, wherein the upper left corner for defining display area is (0,0), above-mentioned a height of vertical seat
Mark, width is abscissa, therefore starts filling original from the pixel position of display area (26,0) from (1920-1868)/2=26
(0,0) pixel of video to be played fills (27,0) (27,1) (26,1) this 3 with black pixel point, display area (28,
0) (1,0) pixel of the former video to be played of pixel position filling, and so on.Wherein display area 0 column~25 column and
~1919 column of 1893 column are filled with black pixel point, and the video to be played after can making extension is broadcast between two parties on the display terminal
It puts.
Referring to Fig. 5, the present invention also provides a kind of video playing power consumption optimization system, including obtain 1 He of module
Expansion module 2；
The acquisition module 1, for obtaining the aobvious of the first resolution of a frame image and display terminal in video to be played
Show resolution ratio；
The expansion module 2 will be to if being less than the display resolution of the display terminal for the first resolution
The pixel value for playing each pixel of video increases preset threshold, is expanded in such a way that column fill black pixel point using interlacing
It is played on the display terminal after opening up the first resolution of video to be played.
As can be seen from the above description, the beneficial effects of the present invention are:
The optimization system of video playing power consumption provided by the invention is small suitable for the first resolution when video to be played
When the display resolution of display terminal, as low-resolution video is needed when playing on high-resolution equipment to view to be played
The first resolution of frequency is extended, and the mode by using interlacing every column filling black pixel point replaces difference in the prior art
Algorithmic approach realizes that reduce low-resolution video plays on high-resolution equipment to extend the first resolution of video to be played
Power consumption, and highlight effect by the way that the pixel value of each pixel of video to be played is increased preset threshold realization,
And then the loss of black pixel point bring image quality is compensated for, guarantee image quality close to original image quality, realizes and guaranteeing image quality close to original
The power consumption that low-resolution video plays is reduced in the case where having image quality.The optimization side of video playing power consumption provided by the invention
Method and system overcome the technology prejudice that will affect image quality using black pixel point in the prior art.
Further, the preset threshold is 1 to 4.The preset threshold is 2.
Seen from the above description, rise in value to the pixel value of each pixel of video to be played, as each picture
The RGB of vegetarian refreshments uniformly adds preset threshold, in a specific embodiment, (R, G, B)=(1,2,3) of a certain pixel A, such as increase
Value 2, (R, G, B)=(3,4,5) of the pixel A after increment；Wherein selected threshold is related with the size of the value of above-mentioned power side,
If the value of power side is bigger, then threshold value value is bigger；If the value of power side is smaller, then threshold value value is smaller；It needs to illustrate
: the video to be played before being not filled by black pixel point can be described as former video to be played herein；It is above-mentioned to original wait broadcast
The value-added effect of pixel for putting each pixel in video is to promote the brightness of former video to be played, if filling out without highlighting
It will affect the image quality of entire video after filling black pixel point, although highlighting can be such that power consumption is promoted, using black pixel point
On the basis of the existing mode using color pixel cell, integrally it is still able to reduce power consumption.Therefore aforesaid operations can
So that reducing the power consumption of low-resolution video broadcasting in the case where guaranteeing image quality close to original image quality.
Further, the expansion module, if being also used to the display resolution of the first resolution equal to display terminal
A quarter then extremely shows the resolution extension of video to be played by the way of a column filling black pixel point using every a line
The display resolution of terminal.
Seen from the above description, if the first resolution is equal to the power of a quarter of the display resolution of display terminal
Power, power side are positive integer；In the above-described embodiment, first resolution is 960 × 540, and the display of display terminal is differentiated
Rate is 1920 × 1080, and the as described first resolution is equal to a quarter of the display resolution of display terminal, wherein power
Side is 1；Such as the display resolution of display terminal be 6 × 4, as shown in Fig. 2, first resolution be 3 × 2, by it is above-mentioned every
A line every a column filling black pixel point mode by the display resolution of the resolution extension of video to be played to display terminal,
It obtains as shown in figure 3, indicating the black pixel point of filling without the box of small circle, obtained resolution ratio is 6 × 4, i.e.,
It can the display all over the screen on display terminal.
It further, further include playing module；
The playing module includes acquiring unit, the first computing unit, the second computing unit, comparing unit, the first scaling
Unit, the first expanding element, the first broadcast unit, the second unit for scaling, the second expanding element and the second broadcast unit；
The acquiring unit, if being less than a quarter of the display resolution of display terminal for the first resolution,
The first level pixel value and the first vertical pixel value for obtaining first resolution obtain the display point of a quarter of display terminal
Second horizontal pixel value of resolution and the second vertical pixel value；
First computing unit obtains horizontal ratio for calculating the second horizontal pixel value divided by first level pixel value
Example value；
Second computing unit is vertically compared for calculating the second vertical pixel value divided by the first vertical pixel value
Example value；
The comparing unit, the size for comparison level ratio value and vertical scale value；
First unit for scaling uses difference arithmetic with described if being greater than vertical scale value for horizontal proportion value
Vertical scale value scales first resolution, obtains second resolution；
First expanding element, for using every a line every one column filling black pixel point by the way of extend described second
Resolution ratio obtains the video to be played of third resolution ratio；
First broadcast unit, the video to be played for the third resolution ratio is in the viewing area of the display terminal
Domain plays between two parties；
Second unit for scaling uses difference arithmetic with described if being less than vertical scale value for horizontal proportion value
Horizontal proportion value scales first resolution, obtains the 4th resolution ratio；
Second expanding element, for using every a line every one column filling black pixel point by the way of extend the described 4th
Resolution ratio obtains the video to be played of the 5th resolution ratio；
Second broadcast unit, the video to be played for the 5th resolution ratio are broadcast between two parties on the display terminal
It puts.
Seen from the above description, in the above-described embodiment, solution be video to be played resolution ratio width with it is high
When the width of the display resolution of ratio and display terminal is with high ratio difference, as expanded using same ratio coefficient
It is not all over the screen to will appear width Shi Ergao all over the screen when exhibition, or high Shi Erkuan all over the screen not all over the screen carries out interpolation calculation to height if width is all over the screen
Method filler pixels point, as image longitudinal stretching；If when high all over the screen, carrying out interpolation algorithm filler pixels point, as image to width
Cross directional stretch, such as personage can be made to become slender perhaps short and stout therefore either longitudinal stretching or cross directional stretch in image
Image quality will be reduced.
And if above-mentioned embodiment is a quarter for the display resolution that the first resolution is less than display terminal
When (i.e. the display resolution of display terminal is 1920 × 1080, and first resolution is lower than 960 × 540, such as 900 × 520), first adopt
It is extended in such a way that column fill black pixel point with existing difference arithmetic, then using interlacing provided in the present invention；
Wherein first use existing difference arithmetic specifically:
Calculate vertical scale value (960/900=1.067) and horizontal proportion value (540/520=1.038), as horizontal ratio
Example value is less than vertical scale value；
If horizontal proportion value is less than vertical scale value, difference arithmetic is used to differentiate with horizontal proportion value scaling first
Rate obtains the 4th resolution ratio；4th resolution ratio is (900 × 540/520) × (520 × 540/520)=934 × 540；
Using extending the 4th resolution ratio by the way of a column filling black pixel point every a line, the 5th resolution ratio is obtained
Video to be played；The 4th definition pixel point is as expanded to 1920 × 1080, due to keep the wide ratio between height
Example, so 934 × 540 expand to 1868 × 1080；
The case where constant rate between the width and height for keeping former video to be played, due to that all over the screen can not play, therefore will
Former video to be played, which is moved on the display terminal, to be shown centered on, and concrete operations are as follows:
If above-mentioned situation is high Shi Erkuan all over the screen not all over the screen, specifically as shown in figure 4, as in display terminal display screen
Plane right-angle coordinate is established in display area, wherein the upper left corner for defining display area is (0,0), above-mentioned a height of vertical seat
Mark, width is abscissa, therefore starts filling original from the pixel position of display area (26,0) from (1920-1868)/2=26
(0,0) pixel of video to be played fills (27,0) (27,1) (26,1) this 3 with black pixel point, display area (28,
0) (1,0) pixel of the former video to be played of pixel position filling, and so on.Wherein display area 0 column~25 column and
~1919 column of 1893 column are filled with black pixel point, and the video to be played after can making extension is shown between two parties on the display terminal
Show.
The embodiment of the present invention one are as follows:
The whole process of the optimization method of video playing power consumption of the invention is as follows:
By obtain the resolution ratio of former video to be played and the resolution ratio of display terminal and compared with, if former video to be played
Resolution ratio lower than display terminal a quarter resolution ratio, then first former each frame image of video to be played is passed through existing
Difference arithmetic be converted to mobile phone a quarter or four index multiple point one resolution ratio, and keep wide high proportion.Wherein
The display terminal can be smart phone.
Then, former Video Expansion to be played is arrived into display terminal resolution ratio, the method for extension be by each pixel left side,
Under, 3 pixels of lower-left are filled respectively with black pixel point.
The finally rgb value unification by the color of each pixel of former video to be played plus 2, improves its brightness value, with
Supplement the brightness of surrounding black loss.
Such as: a display terminal resolution ratio is 1920 × 1080, and former video resolution to be played is lower than 960 × 540, than
In this way 900 × 520, vertical scale value (960/900=1.067) and horizontal proportion value (540/520=1.038) are calculated, as
Horizontal proportion value is less than vertical scale value, obtains vertically and horizontally medium and small ratio and is converted, then the ratio after converting is
(900*540/520) × (520*540/520)=934 × 540, then first pass through difference arithmetic, by the resolution of former video to be played
Rate is converted to 934 × 540.
Using extending the 4th resolution ratio by the way of a column filling black pixel point every a line, the 5th resolution ratio is obtained
Video to be played；The 4th definition pixel point is as expanded to 1920 × 1080, due to keep the wide ratio between height
Example, so 934 × 540 expand to 1868 × 1080；
The case where constant rate between the width and height for keeping former video to be played, due to that all over the screen can not play, therefore will
Former video to be played, which is moved on the display terminal, to be shown centered on, and concrete operations are as follows:
If above-mentioned situation is high Shi Erkuan all over the screen not all over the screen, specifically as shown in figure 4, as in display terminal display screen
Plane right-angle coordinate is established in display area, wherein the upper left corner for defining display area is (0,0), above-mentioned a height of vertical seat
Mark, width is abscissa, therefore starts filling original from the pixel position of display area (0,26) from (1920-1868)/2=26
(0,0) pixel of video to be played fills (0,27) (1,27) (1,26) this 3 with black pixel point, display area (0,
28) (0,1) pixel of the former video to be played of pixel position filling, and so on.Wherein display area 0 column~25 column and
~1919 column of 1893 column are filled with black pixel point, and the video to be played after can making extension is shown between two parties on the display terminal
Show.
Finally, by the rgb value unification plus 2 of the pixel of the original video to be played of (0,26) (0,28), such as it is former (R, G, B)
=(1,2,3) is (3,4,5) after then converting.The above-mentioned value-added effect of pixel to each pixel in former video to be played is to mention
The brightness for rising former video to be played, if will affect the image quality of entire video after filling black pixel point without highlighting, although
Highlighting can be such that power consumption is promoted, but using black pixel point replace it is existing using color pixel cell by the way of on the basis of, it is whole
Body is still able to reduce power consumption.Therefore aforesaid operations enable to reduce in the case where guaranteeing image quality close to original image quality low
The power consumption that resolution video plays.
In conclusion the optimization method and system of a kind of video playing power consumption provided by the invention, suitable for when wait broadcast
Put video first resolution be less than display terminal display resolution when, as low-resolution video is on high-resolution equipment
The first resolution to video to be played is needed to be extended when broadcasting, by using interlacing every the side of column filling black pixel point
Formula extends the first resolution of video to be played instead of difference arithmetic mode in the prior art, realizes and reduces low-resolution video
The power consumption played on high-resolution equipment, and it is pre- by increasing the pixel value of each pixel of video to be played
If threshold value realization highlights effect, and then compensates for the loss of black pixel point bring image quality, guarantee image quality is real close to original image quality
Guarantee image quality close to the power consumption for reducing low-resolution video broadcasting in the case where original image quality now.Video provided by the invention
The optimization method and system for playing power consumption overcome the technology prejudice that will affect image quality using black pixel point in the prior art.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, similarly include
In scope of patent protection of the invention.
Claims (8)
1. a kind of optimization method of video playing power consumption characterized by comprising
Obtain the display resolution of the first resolution of a frame image and display terminal in video to be played；
If the first resolution is less than the display resolution of the display terminal, by each pixel of video to be played
Pixel value increase preset threshold, using interlacing every column fill black pixel point by the way of extend video to be played first differentiate
It is played on the display terminal after rate；
If the first resolution is less than a quarter of the display resolution of display terminal, the first water of first resolution is obtained
Flat pixel value and the first vertical pixel value, obtain the display resolution of a quarter of display terminal the second horizontal pixel value and
Second vertical pixel value；
The second horizontal pixel value is calculated divided by first level pixel value, obtains horizontal proportion value；
The second vertical pixel value is calculated divided by the first vertical pixel value, obtains vertical scale value；
The size of comparison level ratio value and vertical scale value；
If horizontal proportion value is greater than vertical scale value, interpolation algorithm is used to scale first resolution with the vertical scale value,
Obtain second resolution；
Using every a line every one column filling black pixel point by the way of extend the second resolution, obtain third resolution ratio to
Play video；
The video to be played of the third resolution ratio plays between two parties in the display area of the display terminal；
If horizontal proportion value is less than vertical scale value, interpolation algorithm is used to scale first resolution with the horizontal proportion value,
Obtain the 4th resolution ratio；
Using every a line every one column filling black pixel point by the way of extend the 4th resolution ratio, obtain the 5th resolution ratio to
Play video；
The video to be played of 5th resolution ratio plays between two parties on the display terminal.
2. the optimization method of video playing power consumption according to claim 1, which is characterized in that the preset threshold is 1
To 4.
3. the optimization method of video playing power consumption according to claim 2, which is characterized in that the preset threshold is 2.
4. the optimization method of video playing power consumption according to claim 1, which is characterized in that if the first resolution
Equal to a quarter of the display resolution of display terminal, then using will be to by the way of a column filling black pixel point every a line
The first resolution for playing video extends to the display resolution of display terminal.
5. a kind of optimization system of video playing power consumption, which is characterized in that including obtaining module and expansion module；
The acquisition module, the display for obtaining the first resolution of a frame image and display terminal in video to be played are differentiated
Rate；
The expansion module will be to be played if being less than the display resolution of the display terminal for the first resolution
The pixel value of each pixel of video increases preset threshold, using interlacing extended in such a way that column fill black pixel point to
It is played on the display terminal after playing the first resolution of video；
It further include playing module；
The playing module include acquiring unit, the first computing unit, the second computing unit, comparing unit, the first unit for scaling,
First expanding element, the first broadcast unit, the second unit for scaling, the second expanding element and the second broadcast unit；
The acquiring unit obtains if being less than a quarter of the display resolution of display terminal for the first resolution
The first level pixel value and the first vertical pixel value of first resolution, obtain the display resolution of a quarter of display terminal
The second horizontal pixel value and the second vertical pixel value；
First computing unit obtains horizontal proportion value for calculating the second horizontal pixel value divided by first level pixel value；
Second computing unit obtains vertical scale value for calculating the second vertical pixel value divided by the first vertical pixel value；
The comparing unit, the size for comparison level ratio value and vertical scale value；
First unit for scaling uses interpolation algorithm with described vertical if being greater than vertical scale value for horizontal proportion value
Ratio value scales first resolution, obtains second resolution；
First expanding element, for using every a line every one column filling black pixel point by the way of extend it is described second differentiate
Rate obtains the video to be played of third resolution ratio；
First broadcast unit, the video to be played for the third resolution ratio are occupied in the display area of the display terminal
Middle broadcasting；
Second unit for scaling uses interpolation algorithm with the level if being less than vertical scale value for horizontal proportion value
Ratio value scales first resolution, obtains the 4th resolution ratio；
Second expanding element, for using every a line every one column filling black pixel point by the way of extend it is described 4th differentiate
Rate obtains the video to be played of the 5th resolution ratio；
Second broadcast unit, the video to be played for the 5th resolution ratio play between two parties on the display terminal.
6. the optimization system of video playing power consumption according to claim 5, which is characterized in that the preset threshold is 1
To 4.
7. the optimization system of video playing power consumption according to claim 6, which is characterized in that the preset threshold is 2.
8. the optimization system of video playing power consumption according to claim 5, which is characterized in that the expansion module, also
If being equal to a quarter of the display resolution of display terminal for the first resolution, filled using every a line every a column
The first resolution of video to be played is extended to the display resolution of display terminal by the mode of black pixel point.
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