CN106027942A - Frame rate control method and device - Google Patents
Frame rate control method and device Download PDFInfo
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- CN106027942A CN106027942A CN201610345490.8A CN201610345490A CN106027942A CN 106027942 A CN106027942 A CN 106027942A CN 201610345490 A CN201610345490 A CN 201610345490A CN 106027942 A CN106027942 A CN 106027942A
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- frame rate
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- vsync signal
- target frame
- signal acquisition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0127—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0127—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter
- H04N7/013—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter the incoming video signal comprising different parts having originally different frame rate, e.g. video and graphics
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- Signal Processing (AREA)
- Computer Graphics (AREA)
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Abstract
The embodiment of the invention discloses a frame rate control method and a frame rate control device. The frame rate control method comprises the steps of receiving a vertical synchronous (Vsync) signal acquisition request initiated by an application; acquiring a target frame rate corresponding to the Vsync signal acquisition request; and sending the Vsync signal of the target frame rate to the application. According to the method provided by the embodiment of the invention, the user need can be met, and the unnecessary power consumption is reduced.
Description
Technical field
The present embodiments relate to communication technical field, be specifically related to a kind of frame rate control method and device.
Background technology
At present, the frame per second of the vertical synchronization Vsync signal that terminal display screen uses is fixed value, usually
60Hz, i.e. asks for all Vsync signal acquisitions, all passes to apply the Vsync signal of 60Hz, should
Control to make the frequency of picture by the frame per second according to the Vsync signal received, according to making picture on display screen
The frequency of the FREQUENCY CONTROL display content refresh in face, the frame per second of Vsync signal determines the maximum display of application
Frame per second, the display frame rate of application the biggest (i.e. in the unit interval, the frequency of display content refresh is the highest), picture
Quality is the best, but power consumption is the biggest therewith.I.e. in prior art, please for all Vsync signal acquisitions
Seek the Vsync signal all returning identical frame per second, it practice, a lot of application is not required to reach the display of 60Hz
Frame per second just can meet user's request, and different application meets the maximum display frame rate reached required for user's request
The most identical, prior art does not differentiates between situation, the way of the unified Vsync signal configuring identical frame per second
Unnecessary power consumption can be increased.
Summary of the invention
In view of this, a kind of frame rate control method and device are embodiments provided, it is possible to meet user
Demand, reduces unwanted power consumption.
The frame rate control method that the embodiment of the present invention provides, including:
Receive the vertical synchronization Vsync signal acquisition request that application is initiated；
Obtain the target frame rate corresponding with the request of described Vsync signal acquisition；
The Vsync signal of described target frame rate is sent to described application.
Further, the request of described Vsync signal acquisition includes the mark of described application, described acquisition with
The target frame rate of described Vsync signal acquisition request correspondence includes:
Obtain the mark of the described application that the request of described Vsync signal acquisition includes；
The described target frame rate of the mark correspondence of described application is obtained according to default corresponding relation, described default right
The corresponding relation of mark and the target frame rate including application should be related to.
Further, described default corresponding relation includes mark and the operation scenario of application and the target of application
The corresponding relation of frame per second, described method also includes:
Determine the current operation scene of described application；
Mark and the current operation scene of described application of described application is obtained according to described default corresponding relation
Corresponding described target frame rate.
Further, during described default corresponding relation is stored in the memorizer that frame per second controls device.
Further, the request of described Vsync signal acquisition includes described target frame rate, described acquisition and institute
The target frame rate stating the request of Vsync signal acquisition corresponding includes:
Described target frame rate is obtained from described Vsync signal acquisition is asked.
The frame per second that the embodiment of the present invention provides controls device, including:
Receive unit, for receiving the vertical synchronization Vsync signal acquisition request that application is initiated；
Acquiring unit, for obtaining the target frame rate corresponding with the request of described Vsync signal acquisition；
Transmitting element, for sending the Vsync signal of described target frame rate to described application.
Further, the request of described Vsync signal acquisition includes the mark of described application, described acquisition list
Unit includes:
First obtains subelement, for obtaining the described application that the request of described Vsync signal acquisition includes
Mark；
Second acquisition subelement, be used for the basis default corresponding relation described application of acquisition identifies the described of correspondence
Target frame rate, described default corresponding relation includes the mark of application and the corresponding relation of target frame rate.
Further, described default corresponding relation includes mark and the operation scenario of application and the target of application
The corresponding relation of frame per second, described acquiring unit also includes:
Determine subelement, for determining the current operation scene of described application；
Described second obtains subelement is additionally operable to, and obtains the mark of described application according to described default corresponding relation
And the described target frame rate that the current operation scene of described application is corresponding.
Further, described device also includes:
Memory element, controls the memorizer of device for described default corresponding relation is stored in described frame per second
In.
Further, the request of described Vsync signal acquisition includes described target frame rate, described acquiring unit
Including:
3rd obtains subelement, obtains described target frame rate for asking from described Vsync signal acquisition.
In the embodiment of the present invention, after receiving the Vsync signal acquisition request that application is initiated, can obtain
The target frame rate corresponding with the request of this Vsync signal acquisition, then sends this target frame rate to this application
In Vsync signal, the i.e. embodiment of the present invention, can be different for different Vsync signal acquisition acquisition request
Target frame rate, sends the Vsync signal of different target frame per second, thus in the case of meeting user's request,
Decrease unwanted power consumption.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, institute in embodiment being described below
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only the present invention
Some embodiments, for those skilled in the art, on the premise of not paying creative work, also
Other accompanying drawing can be obtained according to these accompanying drawings.
Fig. 1 is one schematic flow sheet of frame rate control method that the embodiment of the present invention provides；
Fig. 2 is that the frame per second that the embodiment of the present invention provides controls one structural representation of device.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those skilled in the art are not making creative labor
The every other embodiment obtained under dynamic premise, broadly falls into the scope of protection of the invention.
The frame rate control method that the embodiment of the present invention provides can perform in frame per second controls device, and this device can
Being realized by software and/or hardware, typically can be integrated in terminal unit, this terminal unit can be to be provided with
The equipment such as the smart mobile phone of display screen, panel computer.The frame rate control method that the embodiment of the present invention provides can
Meet user's request, reduce unwanted power consumption.
Embodiment one
As it is shown in figure 1, the frame rate control method of the present embodiment comprises the steps:
The vertical synchronization Vsync signal acquisition request that step 101, reception application are initiated；
When application needs make picture according to Vsync signal system and refreshed on a display screen by the picture of making
During display, application can initiate the request of Vsync signal acquisition, described application such as wechat, likes strange skill, capital
East, Taobao etc., be not specifically limited herein.
Step 102, acquisition ask corresponding target frame rate with described Vsync signal acquisition；
Step 103, to described application send described target frame rate Vsync signal.
After application receives the Vsync signal of described target frame rate, according to the target frame rate control of Vsync signal
System makes the frequency of picture, according to the frequency of the FREQUENCY CONTROL display screen display content refresh making picture.
Process the following detailed description of obtaining the target frame rate corresponding with the request of described Vsync signal acquisition:
For example, it is possible to the Vsync signal required for being different application previously according to actual demand arranges different
Target frame rate (can arrange Vsync signal according to maximum display frame rate to be reached when meeting user's request
Target frame rate), the mark of application and the corresponding relation of the target frame rate of Vsync signal are i.e. set, application
Mark can be the information such as the title of application, code name, and set corresponding relation can be as shown in table 1 below:
| The mark of application | Jingdone district | Like strange skill | Subway cool run | |
| Target frame rate | 40 | 45 | 50 | 55 |
Table 1
Accordingly, the Vsync signal acquisition request that application is initiated can include the mark of described application,
After receiving the request of Vsync signal acquisition, frame per second controls device can obtain Vsync signal acquisition request bag
The mark of the described application included, obtains the target frame of the mark correspondence of described application according to above-mentioned corresponding relation
Rate.Such as, set corresponding relation is as shown in table 1, if initiating the application of Vsync signal acquisition request
For wechat, then can return, to wechat, the Vsync signal that frame per second is 40Hz；If initiating Vsync signal to obtain
The application taking request is Jingdone district, then can return the Vsync signal that frame per second is 45Hz to Jingdone district；If initiated
The application of Vsync signal acquisition request is subway cool run, then can return frame per second to subway cool run is 55Hz's
Vsync signal, can realize sending for different application the Vsync signal of different frame per second in this way,
Avoid the Vsync signal sending same frame per second (such as 60Hz) for all application, thus in satisfied use
On the premise of the demand of family, decrease unwanted power consumption.
Again for example, it is possible to distinguish the different operating scene of different application further, for different application not
The Vsync signal of different frame rate is sent under biconditional operation scene.In this case, need to need previously according to reality
Ask for the Vsync signal that different application is required under different operating scene, different target frame rate is set (can
Maximum display frame rate to be reached during to meet user's request under different operating scene according to different application
The target frame rate of Vsync signal is set), the mark of application is i.e. set and the operation scenario of application is believed with Vsync
Number the corresponding relation of target frame rate, the mark of application can be the information such as the title of application, code name, set
The corresponding relation put can be as shown in table 2 below:
Table 2
Accordingly, the Vsync signal acquisition request that application is initiated can include the mark of described application,
After receiving the request of Vsync signal acquisition, frame per second controls device can obtain Vsync signal acquisition request bag
The mark of the described application included, it is then determined that the current operation scene of application, operation scenario can be by touching
Detection determines and (is such as not detected by touching and is i.e. defined as finger and leaves, detect that moment touches and i.e. determine
For clicking on event, detect that touch sliding speed is i.e. defined as sliding at a slow speed less than pre-set velocity threshold value, detection
Quick sliding i.e. it is defined as more than pre-set velocity threshold value to touching sliding speed), finally according to above-mentioned corresponding pass
System obtains the target frame rate that the current operation scene of the mark of described application and described application is corresponding.With table 2 it is
Example, if the application initiating the request of Vsync signal acquisition is wechat, if applying for wechat, determining and working as
Front operation scenario is that finger leaves, then can return, to wechat, the Vsync signal that frame per second is 37Hz；If
Apply for wechat, determine that current operation scenario is click event, then can return frame per second to wechat is
The Vsync signal of 38Hz；If for wechat apply, determine current operation scenario for slide at a slow speed, then
The Vsync signal that frame per second is 39Hz can be returned to wechat；If applied for wechat, determine current behaviour
It is quick sliding as scene, then can return, to wechat, the Vsync signal that frame per second is 40Hz.
In both the above example, in form, institute's column data and operation scenario are by way of example only, and it is right to be not intended that
The restriction of the specific embodiment of the invention.
In other cases, the request of Vsync signal acquisition inherently carries target frame rate, such as one
Video includes various video file, and during this video playback, every kind of video file inherently can be taken
Band target frame rate, under this situation, directly can obtain target frame rate from Vsync signal acquisition is asked.
The such as when video file of 24Hz is play request Vsync signal, then directly can return frame per second to it is 24Hz
Vsync signal, request Vsync signal when the video file of 50Hz is play, can be directly to its return frame
Rate is the Vsync signal of 50Hz.
In the present embodiment, after receiving the Vsync signal acquisition request that application is initiated, can obtain and be somebody's turn to do
The target frame rate that the request of Vsync signal acquisition is corresponding, then sends the Vsync of this target frame rate to this application
In signal, i.e. the present embodiment, understand the target frame rate different for different Vsync signal acquisition acquisition request,
Send the Vsync signal of different target frame per second, thus in the case of meeting user's request, decrease and be not required to
The power consumption wanted.
Embodiment two
In order to preferably implement above method, present invention also offers a kind of frame per second and control device, such as Fig. 2 institute
Showing, the device of the present embodiment includes:
Receive unit 201, for receiving the vertical synchronization Vsync signal acquisition request that application is initiated；
Acquiring unit 202, for obtaining the target frame rate corresponding with the request of described Vsync signal acquisition；
Transmitting element 203, for sending the Vsync signal of described target frame rate to described application.
In a specific embodiment, the request of described Vsync signal acquisition includes the mark of described application,
Described acquiring unit 202 includes:
First obtain subelement 2021, for obtain described Vsync signal acquisition request include described should
Mark；
Second obtains subelement 2023, is used for according to the mark correspondence presetting the corresponding relation described application of acquisition
Described target frame rate, described default corresponding relation includes the mark of application and the corresponding relation of target frame rate.
Further, in a specific embodiment, described default corresponding relation includes the mark of application
And the corresponding relation of operation scenario and the target frame rate of application, described acquiring unit 202 also includes:
Determine subelement 2022, for determining the current operation scene of described application；
Obtain subelement 2021 first obtain the mark of described application and described determine that subelement 2022 determines
After the current operation scene of described application, described second obtains subelement 2023 is additionally operable to, according to described pre-
If the described target that the current operation scene of the mark of the corresponding relation described application of acquisition and described application is corresponding
Frame per second.
In a specific embodiment, described device also includes that memory element 204, memory element 204 are used for
Described default corresponding relation is stored in the memorizer that described frame per second controls device.
In a specific embodiment, the request of described Vsync signal acquisition includes described target frame rate,
Described acquiring unit 202 includes the 3rd acquisition subelement 2024, and the 3rd obtains subelement 2024 for from described
The request of Vsync signal acquisition obtains described target frame rate.
It should be noted that the step not being described in detail in the present embodiment and corresponding beneficial effect all see
Description corresponding in preceding method embodiment, here is omitted.
In the present embodiment, after receiving unit and receiving the Vsync signal acquisition request that application is initiated, obtain
Taking unit and can obtain the target frame rate corresponding with the request of this Vsync signal acquisition, then transmitting element should to this
With the Vsync signal of this target frame rate of transmission, i.e. in the present embodiment, meeting is for different Vsync signal acquisitions
The target frame rate that acquisition request is different, sends the Vsync signal of different target frame per second, thus is meeting user
In the case of demand, decrease unwanted power consumption.
In several embodiments provided herein, it should be understood that disclosed system, device and side
Method, can realize by another way.Such as, device embodiment described above is only schematically
, such as, the division of described unit, be only a kind of logic function and divide, actual can have when realizing another
Outer dividing mode, the most multiple unit or assembly can in conjunction with or be desirably integrated into another system, or
Some features can be ignored, or does not performs.Another point, shown or discussed coupling each other or straight
Connect coupling or communication connection can be the INDIRECT COUPLING by some interfaces, device or unit or communication connection,
Can be electrical, machinery or other form.The described unit that illustrates as separating component can be or also
Can not be physically separate, the parts shown as unit can be or may not be physics list
Unit, i.e. may be located at a place, or can also be distributed on multiple NE.Can be according to reality
Need select some or all of unit therein to realize the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit,
Can also be that unit is individually physically present, it is also possible to two or more unit are integrated in a unit
In.Above-mentioned integrated unit both can realize to use the form of hardware, it would however also be possible to employ SFU software functional unit
Form realizes.If described integrated unit realizes and as independent product using the form of SFU software functional unit
When selling or use, can be stored in a computer read/write memory medium.Based on such understanding,
Part that prior art is contributed by technical scheme the most in other words or this technical scheme
Completely or partially can embody with the form of software product, this computer software product is stored in one
In storage medium, including some instructions with so that a computer equipment (can be personal computer, take
Business device, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.
And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD
Etc. the various media that can store program code.
The above, above example only in order to technical scheme to be described, is not intended to limit；To the greatest extent
The present invention has been described in detail by pipe with reference to previous embodiment, and those of ordinary skill in the art should manage
Solve: the technical scheme described in foregoing embodiments still can be modified by it, or to wherein part
Technical characteristic carries out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution take off
Spirit and scope from various embodiments of the present invention technical scheme.
Claims (10)
1. a frame rate control method, it is characterised in that including:
Receive the vertical synchronization Vsync signal acquisition request that application is initiated；
Obtain the target frame rate corresponding with the request of described Vsync signal acquisition；
The Vsync signal of described target frame rate is sent to described application.
Method the most according to claim 1, it is characterised in that in the request of described Vsync signal acquisition
Including the mark of described application, the target frame rate bag that described acquisition is corresponding with the request of described Vsync signal acquisition
Include:
Obtain the mark of the described application that the request of described Vsync signal acquisition includes；
The described target frame rate of the mark correspondence of described application is obtained according to default corresponding relation, described default right
The corresponding relation of mark and the target frame rate including application should be related to.
Method the most according to claim 2, it is characterised in that described default corresponding relation includes should
Mark and the corresponding relation of operation scenario and target frame rate of application, described method also includes:
Determine the current operation scene of described application；
Mark and the current operation scene of described application of described application is obtained according to described default corresponding relation
Corresponding described target frame rate.
The most according to the method in claim 2 or 3, it is characterised in that described default corresponding relation stores
In frame per second controls the memorizer of device.
Method the most according to claim 1, it is characterised in that in the request of described Vsync signal acquisition
Including described target frame rate, described acquisition asks corresponding target frame rate to include with described Vsync signal acquisition:
Described target frame rate is obtained from described Vsync signal acquisition is asked.
6. a frame per second controls device, it is characterised in that including:
Receive unit, for receiving the vertical synchronization Vsync signal acquisition request that application is initiated；
Acquiring unit, for obtaining the target frame rate corresponding with the request of described Vsync signal acquisition；
Transmitting element, for sending the Vsync signal of described target frame rate to described application.
Device the most according to claim 6, it is characterised in that in the request of described Vsync signal acquisition
Including the mark of described application, described acquiring unit includes:
First obtains subelement, for obtaining the described application that the request of described Vsync signal acquisition includes
Mark；
Second acquisition subelement, be used for the basis default corresponding relation described application of acquisition identifies the described of correspondence
Target frame rate, described default corresponding relation includes the mark of application and the corresponding relation of target frame rate.
Device the most according to claim 7, it is characterised in that described default corresponding relation includes should
Mark and the corresponding relation of operation scenario and target frame rate of application, described acquiring unit also includes:
Determine subelement, for determining the current operation scene of described application；
Described second obtains subelement is additionally operable to, and obtains the mark of described application according to described default corresponding relation
And the described target frame rate that the current operation scene of described application is corresponding.
9. according to the device described in claim 7 or 8, it is characterised in that described device also includes:
Memory element, controls the memorizer of device for described default corresponding relation is stored in described frame per second
In.
Device the most according to claim 6, it is characterised in that in the request of described Vsync signal acquisition
Including described target frame rate, described acquiring unit includes:
3rd obtains subelement, obtains described target frame rate for asking from described Vsync signal acquisition.
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