CN105117191A - Method and apparatus for controlling display of mobile terminal - Google Patents
Method and apparatus for controlling display of mobile terminal Download PDFInfo
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- CN105117191A CN105117191A CN201510567694.1A CN201510567694A CN105117191A CN 105117191 A CN105117191 A CN 105117191A CN 201510567694 A CN201510567694 A CN 201510567694A CN 105117191 A CN105117191 A CN 105117191A
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Abstract
The embodiment of the invention discloses a method and an apparatus for controlling display of a mobile terminal, wherein the method comprises: acquiring frame datum corresponding to display images within preset time period; determining the target frame rate based on the variation tendency between the frame datum corresponding to different display images; and refreshing the display by controlling a display screen based on the target frame rate. According to the embodiment of the invention, by adopting the technical solution, the frame rate is regulated dynamically based on the variation tendency of the frame datum; and the display screen is controlled to refresh the display images based on the regulated frame rate, thus free phenomenon is avoided from occurring while reducing system power consumption; and user experience is improved.
Description
Technical field
The embodiment of the present invention relates to technical field of mobile terminals, particularly relates to a kind of display control method and device of mobile terminal.
Background technology
At present, the processor core calculation of mobile terminal gets more and more, the size of display screen is increasing, the function that can realize also gets more and more, mobile phone users can spend a large amount of time to use mobile terminal every day, so the display response speed of mobile terminal and power problems have become the problem that user is concerned about most.
Mobile phone users is generally liked using mobile terminal to browse webpage, check microblogging or micro-letter, read novel and play games; these usage behaviors can continue the long time usually; user is when operating mobile terminal, and the change of the displaying contents of the screen seen may be sometimes fast and sometimes slow.To check microblogging, when the displaying contents of screen is the interested content of user, user will read over, and finger slowly slides on the touchscreen, and the change of displaying contents is slower; When screen display content is the unconcerned content of user, user will skim over this part content by quick sliding on the touchscreen, and so the change of displaying contents is very fast.While the screen display content change that user sees, system is also constantly refreshing display image, the frequency refreshed can be described as frame per second, in existing mobile terminal, frame per second is a fixed value in writing system bottom (driving layer), is generally 60Hz and (is equivalent to show 60 two field pictures in 1 second, namely refresh 60 times in 1 second) left and right, for the situation that displaying contents change is slower, this frame per second is comparatively large, can increase unnecessary power consumption; Change situation faster for displaying contents, this frame per second is less, can cause Caton phenomenon, and user's experience is not good.Therefore, mobile terminal display and control scheme of the prior art cannot be met consumers' demand.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of display control method and device of mobile terminal, cannot take into account to solve existing mobile terminal display and control scheme the problem reducing system power dissipation and avoid occurring Caton phenomenon.
On the one hand, embodiments provide a kind of display control method of mobile terminal, comprising:
Obtain the frame data that in preset time period, display image is corresponding;
According to the variation tendency determination target frame rate between the frame data that different display images is corresponding;
Control display screen according to described target frame rate and carry out refreshing display.
On the other hand, embodiments provide a kind of display control unit of mobile terminal, comprising:
Frame data acquisition module, shows frame data corresponding to image for obtaining in preset time period;
Target frame rate determination module, for the variation tendency determination target frame rate between the frame data that the display image according to different is corresponding;
Display control module, carries out refreshing display for controlling display screen according to described target frame rate.
The display and control scheme of the mobile terminal provided in the embodiment of the present invention, obtain the frame data that in preset time period, display image is corresponding, according to the variation tendency determination target frame rate between the frame data that different display images is corresponding, then carry out refreshing display according to target frame rate control display screen.By adopting technique scheme, can according to the variation tendency dynamic conditioning frame per second of frame data, and control display screen according to the frame per second refreshing display image after adjustment, farthest can reduce system power dissipation while avoiding occurring Caton phenomenon, promote Consumer's Experience.
Accompanying drawing explanation
The schematic flow sheet of the display control method of a kind of mobile terminal that Fig. 1 provides for the embodiment of the present invention one;
The schematic flow sheet of the display control method of a kind of mobile terminal that Fig. 2 provides for the embodiment of the present invention two;
The schematic flow sheet of the display control method of a kind of preferred mobile terminal that Fig. 3 provides for the embodiment of the present invention three;
The structured flowchart of the display control unit of a kind of mobile terminal that Fig. 4 provides for the embodiment of the present invention four.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not entire infrastructure.
Before in further detail exemplary embodiment being discussed, it should be mentioned that some exemplary embodiments are described as the process or method described as process flow diagram.Although every step is described as the process of order by process flow diagram, many steps wherein can be implemented concurrently, concomitantly or simultaneously.In addition, the order of every step can be rearranged.When its step completes, described process can be terminated, but can also have the additional step do not comprised in the accompanying drawings.Described process can correspond to method, function, code, subroutine, subroutine etc.
Embodiment one
The schematic flow sheet of the display control method of a kind of mobile terminal that Fig. 1 provides for the embodiment of the present invention one, the method can be performed by the display control unit of mobile terminal, and this device can by software and/or hardware implementing, and general accessible site in the terminal.As shown in Figure 1, the method comprises:
The frame data that in step 101, acquisition preset time period, display image is corresponding.
In the present embodiment, described mobile terminal specifically can be the terminals such as smart mobile phone, panel computer and the notebook computer being provided with display screen.The method of the present embodiment is applicable to display and control when mobile terminal is in various duty, such as user uses mobile terminal to browse webpage, check microblogging or micro-letter, read novel, play games and watch the situations such as video under, the method for the present embodiment all can be used to carry out display and control.
Exemplary, preset time period can be arranged by system default, also can be arranged according to the actual requirements by user.Preset time period can be arranged continuously, also can be arranged by interval.Such as, the duration that can arrange preset time period is 0.5s (second), when preset time period is arranged continuously, the frame data that in each 0.5s, display image is corresponding can be obtained, can be equivalent to from 0s, obtain the frame data that in 0-0.5s, 0.5s-1s and 1s-1.5s equal time section, display image is corresponding respectively; When preset time period is arranged by interval, the frame data that the 0.5s interior display image of certain time length of being separated by is corresponding can be obtained, suppose that above-mentioned certain time length is 1s, then can be equivalent to from 0s, obtain the frame data that in 0-0.5s, 1.5s-2s and 3s-3.5s equal time section, display image is corresponding respectively.
Exemplary, frame data specifically can be data content corresponding to a complete frame display image.In 1s, display screen needs display multiframe display image, and the frame number that multiframe display image is corresponding is frame per second.Such as, frame per second is 60Hz, and be equivalent to display 60 two field pictures in 1s, namely in 1 second, display screen refreshes display 60 times.Obtain in preset time period show frame data corresponding to image time, the frame data that whole display images in preset time period are corresponding can be obtained, also can obtain the frame data that part display image in preset time period is corresponding.
Step 102, according to the variation tendency determination target frame rate between frame data corresponding to different display images.
Exemplary, multiple candidate's frame per second can be preset, and set up the corresponding relation between different variation tendencies and candidate's frame per second, specifically can be arranged by system default or be arranged voluntarily as required by user.Such as, presetting candidate's frame per second is 40Hz and 120Hz, and when the variation tendency between the frame data that different display images is corresponding is for changing very fast, corresponding candidate's frame per second is 120Hz; When variation tendency between the frame data that different display images is corresponding is for changing slower, corresponding candidate's frame per second is 40Hz.For the standard weighing variation tendency, those skilled in the art can design according to practical situations, do not do concrete restriction at this.
Step 103, according to target frame rate control display screen carry out refreshings show.
Exemplary, after determining target frame rate, control display screen according to target frame rate and carry out refreshing display.Such as, when target frame rate is 120Hz, controls display screen and refresh display image according to 120Hz, namely refresh 120 times in 1s.In the ensuing time, the sustainable target frame rate determining next preset time period according to above-mentioned steps, when the target frame rate of next preset time period is not identical with current frame rate, be adjusted to and carry out refreshing display according to the target frame rate of next preset time period, reach the object of dynamic conditioning frame per second.
The display control method of the mobile terminal that the embodiment of the present invention one provides, obtain the frame data that in preset time period, display image is corresponding, according to the variation tendency determination target frame rate between the frame data that different display images is corresponding, then carry out refreshing display according to target frame rate control display screen.By adopting technique scheme, according to the variation tendency dynamic conditioning frame per second of frame data, and display screen can be controlled according to the frame per second refreshing display image after adjustment, farthest can reduce system power dissipation while avoiding occurring Caton phenomenon.
On the basis of above-described embodiment, preferably, with the data that the display image in array form record frame buffer zone (framebuffer) is corresponding, these data are designated as array form frame data, and obtain the array form frame data that in preset time period, display image is corresponding.The benefit done like this is, in present mobile terminal, the data that display image is corresponding are directly sent to system bottom (driving layer) by system upper strata (application layer) usually, only in framebuffer, carry out buffer memory, and can't go on record, with these data of array form record in the present embodiment, and these data are designated as array form frame data, conveniently can compare different frame data, thus obtain the variation tendency of frame data fast.
On the basis of above-described embodiment, obtain the frame data that in preset time period, display image is corresponding, can comprise: when detect display image in only comprise word time, obtain USA standard code for information interchange (AmericanStandardCodeforInformationInterchange, the ASCII) data of the word comprised in frame data corresponding in display image in preset time period; According to the variation tendency determination target frame rate between the frame data that different display images is corresponding, can comprise: according to the variation tendency determination target frame rate between the word ASCII character data that different display images is corresponding.The benefit done like this is, when show in image only comprise word time, according to the variation tendency determination target frame rate of ASCII character data corresponding to word, can reduce calculated amount, improve the efficiency of dynamic conditioning frame per second.
Embodiment two
The schematic flow sheet of the display control method of a kind of mobile terminal that Fig. 2 provides for the embodiment of the present invention two, the present embodiment is optimized based on above-described embodiment, in the present embodiment, step " is obtained the frame data that display image is corresponding in preset time period " and " the variation tendency determination target frame rate according between the frame data that different display images is corresponding " are optimized for respectively: " obtaining the frame data that the display image of default sequence number in preset time period is corresponding " and " calculate every two diversity factoies closest to frame data corresponding to the display image of sequence number; According to diversity factor determination target frame rate ".
Accordingly, the method for the present embodiment comprises the steps:
The frame data that the display image of sequence number is corresponding are preset in step 201, acquisition preset time period.
Exemplary, suppose that the duration of preset time period is set to 1s, preset time period is arranged continuously, and current frame rate is 60Hz, and so comprise 60 frame display images in 1s, the sequence number be corresponding in turn to is No. 1 to No. 60.Suppose from 0s, 0s-1s is first time period, and display picture numbers wherein can be designated as 1-1,1-2,1-3 successively ... 1-60; 1s-2s was the second time period, and display picture numbers wherein can be designated as 2-1,2-2,2-3 successively ... 2-60; The sequence number of subsequent time period by that analogy.In this step, can obtain the frame data that the display image of default sequence number in preset time period is corresponding, the value of the number N of display image can adjust according to actual conditions.Wherein, default sequence number can be continuous print sequence number, also can be the sequence number at interval.For first time period, N=6 can be continuous print 6 display image, such as 1-1,1-2,1-3,1-4,1-5 and 1-6; Also can be 6 displays image, such as 1-1,1-3,1-5,1-7,1-9 and the 1-11 at interval; Also can be first 3 and latter 3, such as 1-1,1-2,1-3,1-58,1-59 and 1-60; Also 6 can be arranged at random.
Step 202, calculate every two diversity factoies closest to frame data corresponding to the display image of sequence number.
Exemplary, this step can comprise: compare closest to the former frame data in frame data corresponding to the display image of sequence number and rear frame data every two, and according to the variance data in comparative result determination former frame data; Calculate the proportion of variance data in former frame data in former frame data, and described ratio is designated as the diversity factor of former frame data and rear frame data.
As the citing in step 201, the display image corresponding when obtained frame data is continuous print, as 1-1,1-2,1-3,1-4,1-5 and 1-6, calculate the diversity factor that 1-1 and 1-2,1-2 and 1-3,1-3 and 1-4,1-4 and 1-5 and 1-5 and 1-6 show frame data corresponding to image so respectively; The display image corresponding when obtained frame data is discontinuous, as 1-1,1-3,1-5,1-7,1-9 and 1-11, calculate the diversity factor that 1-1 and 1-3,1-3 and 1-5,1-5 and 1-7,1-7 and 1-9 and 1-9 and 1-11 show frame data corresponding to image so respectively.When calculating 1-1 and 1-2 and showing the diversity factor of frame data corresponding to image, No. 1-1 frame data showing image corresponding are former frame data, No. 1-2 frame data showing image corresponding are rear frame data, two Framed Data are compared, by the variance data be designated as with data not identical in rear frame data in former frame data in former frame data, calculate the proportion of this variance data in described former frame data again, and this ratio is designated as the diversity factor of former frame data and rear frame data.
Step 203, according to diversity factor determination target frame rate.
Exemplary, this step can comprise: the magnitude relationship judging described diversity factor and default diversity factor threshold value, and according to frame per second grade corresponding to judged result, current frame rate and candidate's frame per second rank list determination target frame rate.
Exemplary, default candidate's frame per second rank list can be pre-set.Such as, can arrange Three Estate in candidate's frame per second rank list, candidate's frame per second that the first estate is corresponding is 30Hz; Candidate's frame per second corresponding to the second grade is 60Hz; Candidate's frame per second corresponding to the tertiary gradient is 120Hz.Wherein, the number of degrees in candidate's frame per second rank list, and the numerical value of candidate's frame per second corresponding to each grade can adjust according to actual conditions, does not do concrete restriction at this.
Exemplary, calculate respectively in step 202. every two closest to the diversity factor of frame data corresponding to the display image of sequence number, multiple diversity factor numerical value can be obtained, these diversity factor numerical value and default diversity factor threshold value are compared.Wherein, presetting diversity factor threshold value can adjust according to actual conditions, does not do concrete restriction at this.Such as, preset diversity factor threshold value and be set to 50%, the diversity factor numerical value calculated is respectively 51%, 53%, 56%, 59% and 60%, all exceedes default diversity factor threshold value, illustrates that displaying contents change is very fast, needs to heighten frame per second grade.If current frame rate is 30Hz (corresponding the first estate), then corresponding for the second grade candidate's frame per second can be defined as target frame rate, namely target frame rate is 60Hz; If current frame rate 60Hz (corresponding second grade), then corresponding for tertiary gradient candidate's frame per second can be defined as target frame rate, namely target frame rate is 120Hz; If current frame rate is 120Hz (the corresponding tertiary gradient), has been highest ranking, then do not need to adjust, target frame rate is 120Hz.In like manner, when the diversity factor numerical value calculated all is less than 50%, can using the candidate frame per second more corresponding than the low one-level of the corresponding grade of current frame rate as target frame rate.Exemplary, if most of diversity factor numerical value exceedes default diversity factor threshold value, individual difference number of degrees value does not exceed default diversity factor threshold value, can determine final judged result according to great majority.For the situation that display image corresponding to frame data obtained is front 3 and latter 3, also can treat with a certain discrimination corresponding diversity factor numerical value, as the first judged result can be determined according to the first two diversity factor numerical value, determine the second judged result according to latter two diversity factor numerical value, in the middle of considering two according to preset rules, judged result determines final judged result.Such as, when the first judged result is identical with the second judged result, can directly determine final judged result; When the first current diversity factor interval is not identical with the second current diversity factor interval, the second judged result can be defined as final judged result.
Further, preset diversity factor threshold value and can be set to multiple.Such as, the first diversity factor threshold value is the 50%, second diversity factor threshold value is 30%.When the diversity factor numerical value calculated is greater than 50%, frame per second grade can be promoted a grade; When the diversity factor numerical value calculated is greater than 30% and is less than 50%, frame per second grade can not be adjusted; When the diversity factor numerical value calculated is less than 30%, frame per second grade can be reduced a grade.
Step 204, according to target frame rate control display screen carry out refreshings show.
The embodiment of the present invention two is on the basis of embodiment one, to determining that the process of target frame rate has carried out further optimization, first obtain the frame data that the display image of default sequence number in preset time period is corresponding, calculating every two diversity factoies closest to frame data corresponding to the display image of sequence number, last according to diversity factor determination target frame rate, the accuracy determining target frame rate can be improved.
Embodiment three
The schematic flow sheet of the display control method of a kind of preferred mobile terminal that Fig. 3 provides for the embodiment of the present invention three.Be described for smart mobile phone in the method.As shown in Figure 3, the method comprises:
Whether step 301, detection of handset are in the applicable scene dynamically updating frame per second function, if so, then perform step 302; Otherwise, continue to perform this step.
Exemplary, this step can realize in the application layer of mobile phone.The applicable scene dynamically updating frame per second function can be arranged by system default, also can be arranged voluntarily by user.As user uses mobile phone to browse webpage, checks microblogging or micro-letter, reads novel, plays games and watch the applicable scene that the situations such as video all can be set to dynamically update frame per second function.
Step 302, with data corresponding to the display image in array form record frame buffer zone, these data are designated as frame data.
Exemplary, this step can realize at the driving layer of mobile phone.The data recorded in this step can be designated as array form frame data, for convenience of description, referred to as frame data.Can comprise the binary data that in display image, each pixel is corresponding in described frame data, data layout can be rgb format; When comprising word in display image, the ASCII character data that word is corresponding also can be comprised.
Whether step 303, detection display image only comprise word, if so, then perform step 304; Otherwise perform step 306.
Exemplary, this step can realize in the application layer of mobile phone.Such as, when user uses e-book application software to read novel or uses office software to check document, can judge in application layer only to comprise word in display image, can notify to drive layer directly according to the variation tendency determination target frame rate of ASCII character data corresponding to word, reduce calculated amount.
The word ASCII character data comprised in frame data corresponding in the display image of sequence number are preset in the front 0.5s of step 304, acquisition current time.
Exemplary, this step can realize at the driving layer of mobile phone.Preferably, in this step, front 5 frames that can obtain in 0.5s show images and rear 5 frames show word ASCII character data corresponding to images.
Step 305, calculate every two closest to the diversity factor between word ASCII character data corresponding to the display image of sequence number, perform step 308.
Exemplary, this step can realize at the driving layer of mobile phone.Concrete computation process can refer to the declaratives in embodiment two step 202.
The frame data that the display image of sequence number is corresponding are preset in the front 0.5s of step 306, acquisition current time.
Exemplary, this step can realize at the driving layer of mobile phone.Preferably, in this step, front 5 frames that can obtain in 0.5s show images and rear 5 frames show frame data corresponding to images.
Step 307, calculate every two diversity factoies closest to frame data corresponding to the display image of sequence number.
Exemplary, this step can realize at the driving layer of mobile phone.Concrete computation process can refer to the declaratives in embodiment two step 202.
Step 308, according to diversity factor determination target frame rate.
Exemplary, this step can realize at the driving layer of mobile phone.For convenience of explanation, can arrange candidate's frame per second is 40Hz and 120Hz.When the diversity factor numerical value calculated according to front 5 frames word ASCII character data corresponding to display images or frame data is greater than 50%, and when being also greater than 50% according to the diversity factor numerical value that rear 5 frames word ASCII character data corresponding to display images or frame data are calculated, illustrate that front 5 frames and rear 5 frame gaps are all larger in this 0.5s, user is at fast browsing displaying contents, if current frame rate is 40Hz, can determine that target frame rate is 120Hz, thus avoid Caton phenomenon to occur; When the diversity factor numerical value calculated according to front 5 frames word ASCII character data corresponding to display images or frame data is less than 50%, and when being also less than 50% according to the diversity factor numerical value that rear 5 frames word ASCII character data corresponding to display images or frame data are calculated, illustrate that front 5 frames and rear 5 frame gaps are all less in this 0.5s, user is in slow browse displays content, if current frame rate is 120Hz, can determine that target frame rate is 40Hz, thus reach the object reducing power consumption.In addition, if front 5 frame gaps are comparatively large, then 5 frame gaps are less, or front 5 frame gaps are less when then 5 frame gaps are larger, can adjust frame per second, continue to determine target frame rate in next 0.5s.
Step 309, according to target frame rate control display screen carry out refreshings show.
Exemplary, this step can realize at the driving layer of mobile phone.Concrete, can be arranged by the devicedriver register of display system, such as, target frame rate can be write in this register.
The embodiment of the present invention three is done to optimize on the basis of above-described embodiment, first judge whether only comprise word in display image in application layer, if so, then can notify to drive layer directly according to the variation tendency determination target frame rate of ASCII character data corresponding to word, reduce calculated amount; If not, then according to the variation tendency determination target frame rate of whole frame data.
Embodiment four
The structured flowchart of the display control unit of a kind of mobile terminal that Fig. 4 provides for the embodiment of the present invention four, this device can by software and/or hardware implementing, generally in the terminal integrated, the display control method by performing mobile terminal controls the display of mobile terminal.As shown in Figure 4, this device comprises frame data acquisition module 401, target frame rate determination module 402 and display control module 403.
Wherein, frame data acquisition module 401, shows frame data corresponding to image for obtaining in preset time period; Target frame rate determination module 402, for the variation tendency determination target frame rate between the frame data that the display image according to different is corresponding; Display control module 403, carries out refreshing display for controlling display screen according to described target frame rate.
On the basis of above-described embodiment, described frame data acquisition module specifically can be used for: obtain the frame data that the display image of default sequence number in preset time period is corresponding.Described target frame rate determination module can comprise diversity factor computing unit and target frame rate determining unit.Wherein, diversity factor computing unit, for calculating every two diversity factoies closest to frame data corresponding to the display image of sequence number; Target frame rate determining unit, for according to described diversity factor determination target frame rate.
On the basis of above-described embodiment, described diversity factor computing unit can comprise variance data determination subelement and diversity factor computation subunit.Wherein, variance data determination subelement, for comparing closest to the former frame data in frame data corresponding to the display image of sequence number and rear frame data every two, and determines the variance data in described former frame data according to comparative result; Diversity factor computation subunit, for calculating the proportion of variance data in described former frame data in described former frame data, and is designated as the diversity factor of described former frame data and described rear frame data by described ratio.
On the basis of above-described embodiment, described target frame rate determining unit specifically can be used for: the magnitude relationship judging described diversity factor and default diversity factor threshold value, and according to frame per second grade corresponding to judged result, current frame rate and candidate's frame per second rank list determination target frame rate.
On the basis of above-described embodiment, described frame data acquisition module can comprise record cell and array form Frame acquiring unit.Wherein, described data, for data corresponding to the display image in array form record frame buffer zone, are designated as array form frame data by record cell; Array form Frame acquiring unit, shows array form frame data corresponding to image for obtaining in preset time period.
On the basis of above-described embodiment, described frame data acquisition module specifically can be used for: word ASCII character data capture unit, for when detect only comprise word in display image time, obtain the word ASCII character data comprised in frame data corresponding in display image in preset time period; Described target frame rate determination module specifically can be used for: according to the variation tendency determination target frame rate between the word ASCII character data that different display images is corresponding.
The said goods can perform the method that any embodiment of the present invention provides, and possesses the corresponding functional module of manner of execution and beneficial effect.The not ins and outs of detailed description in the present embodiment, the method that can provide see any embodiment of the present invention.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (12)
1. a display control method for mobile terminal, is characterized in that, comprising:
Obtain the frame data that in preset time period, display image is corresponding;
According to the variation tendency determination target frame rate between the frame data that different display images is corresponding;
Control display screen according to described target frame rate and carry out refreshing display.
2. method according to claim 1, is characterized in that, the frame data that in described acquisition preset time period, display image is corresponding, comprising:
Obtain the frame data that the display image of default sequence number in preset time period is corresponding;
Variation tendency determination target frame rate between the described frame data corresponding according to different display images, comprising:
Calculate every two diversity factoies closest to frame data corresponding to the display image of sequence number;
According to described diversity factor determination target frame rate.
3. method according to claim 2, is characterized in that, described calculating every two closest to the diversity factor of frame data corresponding to the display image of sequence number, comprising:
Every two are compared closest to the former frame data in frame data corresponding to the display image of sequence number and rear frame data, and determines the variance data in described former frame data according to comparative result;
Calculate the proportion of variance data in described former frame data in described former frame data, and described ratio is designated as the diversity factor of described former frame data and described rear frame data.
4. method according to claim 2, is characterized in that, described according to described diversity factor determination target frame rate, comprising:
Judge the magnitude relationship of described diversity factor and default diversity factor threshold value, and according to frame per second grade corresponding to judged result, current frame rate and candidate's frame per second rank list determination target frame rate.
5. method according to claim 1, is characterized in that, the frame data that in described acquisition preset time period, display image is corresponding, comprising:
With the data that the display image in array form record frame buffer zone is corresponding, described data are designated as array form frame data;
Obtain the array form frame data that in preset time period, display image is corresponding.
6. method according to claim 1, is characterized in that, the frame data that in described acquisition preset time period, display image is corresponding, comprising:
When detect only comprise word in display image time, obtain the word ASCII character data comprised in frame data corresponding in display image in preset time period;
Variation tendency determination target frame rate between the described frame data corresponding according to different display images, comprising:
According to the variation tendency determination target frame rate between the word ASCII character data that different display images is corresponding.
7. a display control unit for mobile terminal, is characterized in that, comprising:
Frame data acquisition module, shows frame data corresponding to image for obtaining in preset time period;
Target frame rate determination module, for the variation tendency determination target frame rate between the frame data that the display image according to different is corresponding;
Display control module, carries out refreshing display for controlling display screen according to described target frame rate.
8. device according to claim 7, is characterized in that,
Described frame data acquisition module, specifically for:
Obtain the frame data that the display image of default sequence number in preset time period is corresponding;
Described target frame rate determination module comprises:
Diversity factor computing unit, for calculating every two diversity factoies closest to frame data corresponding to the display image of sequence number;
Target frame rate determining unit, for according to described diversity factor determination target frame rate.
9. device according to claim 8, is characterized in that, described diversity factor computing unit comprises:
Variance data determination subelement, for comparing closest to the former frame data in frame data corresponding to the display image of sequence number and rear frame data every two, and determines the variance data in described former frame data according to comparative result;
Diversity factor computation subunit, for calculating the proportion of variance data in described former frame data in described former frame data, and is designated as the diversity factor of described former frame data and described rear frame data by described ratio.
10. device according to claim 8, is characterized in that, described target frame rate determining unit, specifically for:
Judge the magnitude relationship of described diversity factor and default diversity factor threshold value, and according to frame per second grade corresponding to judged result, current frame rate and candidate's frame per second rank list determination target frame rate.
11. devices according to claim 7, is characterized in that, described frame data acquisition module comprises:
Described data, for data corresponding to the display image in array form record frame buffer zone, are designated as array form frame data by record cell;
Array form Frame acquiring unit, shows array form frame data corresponding to image for obtaining in preset time period.
12. devices according to claim 7, is characterized in that,
Described frame data acquisition module, specifically for:
Word ASCII character data capture unit, for when detect only comprise word in display image time, obtain the word ASCII character data comprised in frame data corresponding in display image in preset time period;
Described target frame rate determination module, specifically for:
According to the variation tendency determination target frame rate between the word ASCII character data that different display images is corresponding.
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