CN105975046A - Photographing preview method and device - Google Patents
Photographing preview method and device Download PDFInfo
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- CN105975046A CN105975046A CN201610282541.7A CN201610282541A CN105975046A CN 105975046 A CN105975046 A CN 105975046A CN 201610282541 A CN201610282541 A CN 201610282541A CN 105975046 A CN105975046 A CN 105975046A
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- Prior art keywords
- resolution
- frame per
- taking pictures
- dump energy
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
- G06F1/3212—Monitoring battery levels, e.g. power saving mode being initiated when battery voltage goes below a certain level
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3265—Power saving in display device
Abstract
The embodiment of the invention provides a photographing preview method and device. After the remaining capacity of equipment is obtained, a set resolution ratio and/ or frame rate is lowered according to the remaining capacity, and the adjusted resolution ratio and/ or frame rate is adopted to carry out camera preview. Since a data size which needs to be processed is reduced after the set resolution ratio and/ or frame rate is lowered, the consumption of electric quantity can be reduced to a certain degree when the equipment operates, and the available time of the equipment can be prolonged especially when the remaining capacity is insufficient so as to solve the technical problem of high electric quantity consumption for the camera preview in the prior art.
Description
Technical field
The present invention relates to information technology, particularly relate to one and take pictures method for previewing and device.
Background technology
Along with the development of science and technology, the function taken pictures is entered not only by special camera installation
Row realizes, and in the mobile terminals such as mobile phone, camera applications is also the application that user commonly uses
Program.Utilizing this application program, user equally realizes taking pictures.In camera installation or movement
In the camera applications of terminal, all can show the image that camera lens is currently collected in real time, thus use
Can take pictures effect with preview in family.
Inventor, during realizing the present invention, finds that prior art has following defects that
Preview of taking pictures needs image is carried out Real-time Collection and display due to it, therefore, occupies relatively
Many electricity.Especially when dump energy deficiency, preview of taking pictures then accelerates the consumption of electricity,
The pot life causing equipment substantially shortens.
Summary of the invention
The present invention provides one to take pictures method for previewing and device, is used for solving taking pictures in prior art pre-
The technical problem that power consumption of looking at is higher.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
First aspect, it is provided that one is taken pictures method for previewing, including:
The dump energy of acquisition equipment；
According to described dump energy, resolution and/or the frame per second of preview of taking pictures are set to described residue
Resolution that electricity is corresponding and/or frame per second；
Resolution set by employing and/or frame per second are carried out taking pictures preview.
Second aspect, it is provided that one is taken pictures pre-viewing device, including:
Acquisition module, obtains the dump energy of equipment；
Turn down module, for according to described dump energy, by resolution and/or the frame per second of preview of taking pictures
It is set to resolution corresponding to described dump energy and/or frame per second；
Previewing module, for using set resolution and/or frame per second to carry out taking pictures preview.
Take pictures method for previewing and the device that the embodiment of the present invention provides, by obtaining the residue electricity of equipment
After amount, according to dump energy, the resolution set by reduction and/or frame per second, and after using adjustment
Resolution and/or frame per second carry out camera preview, due to reduce set by resolution and/or frame per second it
After, the data volume of process needed for decreasing, therefore, can be to a certain extent when equipment runs
Reduce the consumption of electricity, especially when dump energy deficiency, it is possible to the pot life of extension device,
Thus solve the technical problem that in prior art, camera preview power consumption is higher.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the present invention
Technological means, and can be practiced according to the content of description, and the present invention's be upper in order to allow
State and can become apparent with other objects, features and advantages, below especially exemplified by the concrete reality of the present invention
Execute mode.
Accompanying drawing explanation
By reading the detailed description of hereafter preferred implementation, various other advantage and benefit
Place will be clear from understanding for those of ordinary skill in the art.Accompanying drawing is only used for illustrating preferably
The purpose of embodiment, and it is not considered as limitation of the present invention.And at whole accompanying drawing
In, it is denoted by the same reference numerals identical parts.In the accompanying drawings:
The schematic flow sheet of a kind of method for previewing of taking pictures that Fig. 1 provides for the embodiment of the present invention one；
The schematic flow sheet of a kind of method for previewing of taking pictures that Fig. 2 provides for the embodiment of the present invention two；
The structural representation of a kind of pre-viewing device of taking pictures that Fig. 3 provides for the embodiment of the present invention three；
Fig. 4 takes pictures for the another kind that the embodiment of the present invention four provides the structural representation of pre-viewing device.
Detailed description of the invention
It is more fully described the exemplary embodiment of the disclosure below with reference to accompanying drawings.Although it is attached
Figure shows the exemplary embodiment of the disclosure, it being understood, however, that can be with various shapes
Formula realizes the disclosure and should not limited by embodiments set forth here.On the contrary, it is provided that these
Embodiment is able to be best understood from the disclosure, and can be by the scope of the present disclosure
Complete conveys to those skilled in the art.
Below in conjunction with the accompanying drawings embodiment of the present invention offer is taken pictures method for previewing and device is carried out
Describe in detail.
Embodiment one
The schematic flow sheet of a kind of method for previewing of taking pictures that Fig. 1 provides for the embodiment of the present invention one, this
The method that embodiment is provided can be performed by mobile terminal or special camera installation, this enforcement
This is not limited by example, as it is shown in figure 1, include:
Step 101, the dump energy of acquisition equipment.
Concrete, for mobile terminal or special camera installation, it is usually mounted with battery
Management application program, for the dump energy of display battery in real time, therefore, it can from battery management
Application gets the dump energy of equipment.
Step 102, according to dump energy, resolution and/or the frame per second of preview of taking pictures are set to institute
State resolution corresponding to dump energy and/or frame per second.
Resolution refers to the pixel number included in inches, and resolution determines image detail
Fine degree.Under normal circumstances, the resolution of image is the highest, and the pixel comprised is the most,
Image is the most clear, and picture quality is the best.But simultaneously, during image procossing,
Also the memory source taken and processor resource can be increased.Visible, during image preview, point
The preview effect of single frames picture can be affected greatly by resolution, if reducing resolution, then preview
The image that in journey, user is seen there will be fuzzy situation.Therefore, when individually adjusting resolution,
User still can watch preview image the most glibly, but can lose on image detail.
Frame per second is used for measuring display frame number per second.Therefore, the reduction of frame per second will not be to single frames picture
Preview effect impacts, but when frame per second is relatively low, user can feel that prolonging occurs in the preview image seen
Slow situation.During it is to say, individually adjust frame per second, user still can clearly watch preview
The details of image, but can postpone.
User can be according to self-demand, the flow process degree such as watched or the careful degree of image,
Arrange and one or two in resolution and frame per second is adjusted.
As a kind of possible implementation, when dump energy is less than predetermined threshold value, such as: pre-
If threshold value can be dump energy is the 20% of total electricity, then reduction resolution is to first resolution,
And/or reduce frame per second to the first frame per second.
If when overcharge makes dump energy be greater than or equal to described predetermined threshold value, heightening resolution
For second resolution, and/or, arranging frame per second is the second frame per second.
Wherein, first resolution is less than second resolution, and the first frame per second is less than the second frame per second.
Step 103, use set by resolution and/or frame per second carry out taking pictures preview.
Concrete, the preview of camera needs through two steps, and first step is the collection of image,
Second step is the display of image.Can be only in the gatherer process of image, set by employing
Resolution and/or frame per second, it is also possible to only during the display of image, the resolution set by employing
And/or frame per second.
Therefore, after the dump energy by acquisition equipment, set by dump energy reduction
Resolution and/or frame per second, and use the resolution after adjustment and/or frame per second to carry out camera preview, due to
After resolution set by reduction and/or frame per second, decrease the data volume of required process, therefore,
The consumption of electricity can be reduced to a certain extent, especially at dump energy not when equipment runs
During foot, it is possible to the pot life of extension device, thus solve camera preview power consumption in prior art
Measure higher technical problem.
Embodiment two
The schematic flow sheet of a kind of method for previewing of taking pictures that Fig. 2 provides for the embodiment of the present invention two, this
The method that embodiment is provided can be performed by terminal unit, and such as photographing unit, mobile phone etc. are mobile eventually
End, as in figure 2 it is shown, include:
Step 201, determine the value of the dump energy of battery.
When starting camera applications, can first obtain the value of the dump energy of present battery, and
In the running of follow-up camera applications, periodically obtain the value of the dump energy of present battery,
That is the method that the present embodiment is provided periodically is performed.
Step 202, value according to dump energy, determine the charge level belonging to dump energy, look into
Ask allocation list, determine resolution and frame per second that this charge level is corresponding.
Concrete, dump energy is divided to one of several charge level of presetting, in allocation list
Record has the resolution and frame per second that each charge level is corresponding, thus inquires about this allocation list, determines and works as
Resolution that charge level belonging to front dump energy is corresponding and frame per second.
In order to understand explanation the present embodiment, present embodiments providing the signal of allocation list, table 1 is for joining
Put table, as shown in table 1, allocation list have recorded each charge level, and each charge level pair
The resolution answered and frame per second, and the span of dump energy that this grade is comprised.
| Charge level | The span of dump energy | Resolution (pixel) | Frame per second (frame/second) |
| High electricity | More than 80% | 1024×768 | 30 |
| Medium electricity | 20% to 80% | 640×480 | 26 |
| Low electricity | Less than 20% | 320×240 | 24 |
Table 1 allocation list
Step 203, this resolution and frame per second is used to carry out taking pictures preview.
After dump energy by acquisition equipment, gradually reduce set dividing according to dump energy
Resolution and/or frame per second, and use the resolution after adjustment and/or frame per second to carry out camera preview, due to fall
After low set resolution and/or frame per second, the data volume of process needed for decreasing, therefore,
Equipment can reduce the consumption of electricity to a certain extent when running, especially not enough at dump energy
Time, it is possible to the pot life of extension device, thus solve camera preview power consumption in prior art
Higher technical problem.
Embodiment three
The structural representation of a kind of pre-viewing device of taking pictures that Fig. 3 provides for the embodiment of the present invention three, as
Shown in Fig. 3, including: acquisition module 21, turn down module 22 and previewing module 23.
Acquisition module 21, obtains the dump energy of equipment.
Turn down module 22, for according to described dump energy, by resolution and/or the frame of preview of taking pictures
Rate is set to resolution corresponding to described dump energy and/or frame per second.
Concrete, turn down module 22, specifically for when dump energy is less than predetermined threshold value, reducing
Resolution is to first resolution, and/or reduces frame per second to the first frame per second.
Previewing module 23, for using set resolution and/or frame per second to carry out taking pictures preview.
Concrete, previewing module 23 carries out figure specifically for the resolution set by employing and/or frame per second
The collection of picture and/or display.
After the acquisition module 21 in pre-viewing device of taking pictures obtains the dump energy of equipment, turn down module
Resolution and/or the frame per second of preview of taking pictures are set to described dump energy pair according to dump energy by 22
The resolution answered and/or frame per second, and used set resolution and/or frame per second by previewing module 23
Carry out taking pictures preview, owing to the resolution of preview of taking pictures and/or frame per second are set to described dump energy
After corresponding resolution and/or frame per second, decrease the data volume of required process, therefore, take pictures pre-
Device of looking at can reduce electricity at mobile terminal or special camera installation when running to a certain extent
The consumption of amount, especially when dump energy deficiency, it is possible to the pot life of extension device, thus
Solve the technical problem that preview power consumption of taking pictures in prior art is higher.
Embodiment four
As a kind of possible implementation, embodiments provide another kind take pictures preview dress
Putting, Fig. 4 takes pictures for the another kind that the embodiment of the present invention four provides the structural representation of pre-viewing device,
On the basis of Fig. 3, as shown in Figure 4, pre-viewing device of taking pictures further also includes: heighten module
24。
Heighten module 24, if for making described dump energy greater than or equal to described pre-through overcharge
If during threshold value, heightening resolution is second resolution, and/or, arranging frame per second is the second frame per second.
Wherein, first resolution is less than described second resolution, and described first frame per second is less than described the
Two frame per second.
After the acquisition module 21 in pre-viewing device of taking pictures obtains the dump energy of equipment, turn down module
Resolution and/or the frame per second of preview of taking pictures are set to described dump energy pair according to dump energy by 22
The resolution answered and/or frame per second, and used set resolution and/or frame per second by previewing module 23
Carry out taking pictures preview, owing to the resolution of preview of taking pictures and/or frame per second are set to described dump energy
After corresponding resolution and/or frame per second, decrease the data volume of required process, therefore, take pictures pre-
Device of looking at can reduce electricity at mobile terminal or special camera installation when running to a certain extent
The consumption of amount, especially when dump energy deficiency, it is possible to the pot life of extension device, thus
Solve the technical problem that preview power consumption of taking pictures in prior art is higher.Heighten module 24 simultaneously,
If for, when overcharge makes described dump energy greater than or equal to described predetermined threshold value, heightening point
Resolution is second resolution, and/or, arranging frame per second is the second frame per second, enhances the motility of adjustment
One of ordinary skill in the art will appreciate that: realize the whole of above-mentioned each method embodiment
Or part steps can be completed by the hardware that programmed instruction is relevant.Aforesaid program is permissible
It is stored in a computer read/write memory medium.This program upon execution, performs to include
State the step of each method embodiment；And aforesaid storage medium includes: ROM, RAM, magnetic
The various medium that can store program code such as dish or CD.
It is last it is noted that various embodiments above is only in order to illustrate technical scheme,
It is not intended to limit；Although the present invention being described in detail with reference to foregoing embodiments,
It will be understood by those within the art that: foregoing embodiments still can be remembered by it
The technical scheme carried is modified, or carries out the most some or all of technical characteristic
With replacing；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this
Invent the scope of each embodiment technical scheme.
Claims (8)
1. a method for previewing of taking pictures, it is characterised in that including:
The dump energy of acquisition equipment；
According to described dump energy, resolution and/or the frame per second of preview of taking pictures are set to described residue
Resolution that electricity is corresponding and/or frame per second；
Resolution set by employing and/or frame per second are carried out taking pictures preview.
Method for previewing of taking pictures the most according to claim 1, it is characterised in that described will take pictures
The resolution of preview and/or frame per second are set to resolution corresponding to described dump energy and/or frame per second bag
Include:
When described dump energy less than predetermined threshold value time, reduce resolution to first resolution, and/or
Reduce frame per second to the first frame per second.
Method for previewing of taking pictures the most according to claim 2, it is characterised in that described reduction divides
Resolution is to first resolution, and/or reduces frame per second to after the first frame per second, also includes:
If when overcharge makes described dump energy greater than or equal to described predetermined threshold value, heightening point
Resolution is second resolution, and/or, arranging frame per second is the second frame per second；Wherein said first resolution
Less than described second resolution, described first frame per second is less than described second frame per second.
4. according to the method for previewing of taking pictures described in any one of claim 1-3, it is characterised in that institute
State the resolution set by employing and/or the frame per second preview that carries out taking pictures include:
Resolution set by employing and/or frame per second carry out collection and/or the display of image.
5. a pre-viewing device of taking pictures, it is characterised in that including:
Acquisition module, obtains the dump energy of equipment；
Turn down module, for according to described dump energy, by resolution and/or the frame per second of preview of taking pictures
It is set to resolution corresponding to described dump energy and/or frame per second；
Previewing module, for using set resolution and/or frame per second to carry out taking pictures preview.
Pre-viewing device of taking pictures the most according to claim 5, it is characterised in that
Described turn down module, specifically for when described dump energy is less than predetermined threshold value, reduce point
Resolution is to first resolution, and/or reduces frame per second to the first frame per second.
Pre-viewing device of taking pictures the most according to claim 6, it is characterised in that described device is also
Including:
Heighten module, if for making described dump energy preset greater than or equal to described through overcharge
During threshold value, heightening resolution is second resolution, and/or, arranging frame per second is the second frame per second；Wherein
Described first resolution is less than described second resolution, and described first frame per second is less than described second frame per second.
8. according to the pre-viewing device of taking pictures described in any one of claim 5-7, it is characterised in that
Described previewing module, carries out image specifically for the resolution set by employing and/or frame per second
Gather and/or display.
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| CN201610282541.7A CN105975046A (en) | 2016-04-29 | 2016-04-29 | Photographing preview method and device |
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Cited By (16)
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| CN106528296A (en) * | 2016-11-21 | 2017-03-22 | 滁州职业技术学院 | Control method for running memory of mobile terminal, and mobile terminal |
| CN107197103A (en) * | 2017-07-06 | 2017-09-22 | 三星电子（中国）研发中心 | The power saving progress control method and device of intelligent terminal |
| CN107509025A (en) * | 2017-07-26 | 2017-12-22 | 维沃移动通信有限公司 | A kind of camera control method and mobile terminal |
| CN107659985A (en) * | 2017-08-09 | 2018-02-02 | 广东欧珀移动通信有限公司 | Reduce method, apparatus, storage medium and the mobile terminal of mobile terminal power consumption |
| CN108121524A (en) * | 2017-12-19 | 2018-06-05 | 广东欧珀移动通信有限公司 | The adjusting method and device, electronic equipment of electronic equipment image display preview frame per second |
| CN108322650A (en) * | 2018-02-08 | 2018-07-24 | 广东欧珀移动通信有限公司 | Video capture method and apparatus, electronic equipment, computer readable storage medium |
| CN108337442A (en) * | 2018-05-14 | 2018-07-27 | Oppo广东移动通信有限公司 | Shooting preview display methods, device, terminal and storage medium |
| CN108668022A (en) * | 2018-04-26 | 2018-10-16 | 深圳市明泰电讯有限公司 | A kind of face unlocking method under dark-state and its mobile terminal |
| CN108737761A (en) * | 2017-04-21 | 2018-11-02 | 腾讯科技（深圳）有限公司 | video recording method and device |
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| CN108881706A (en) * | 2017-05-16 | 2018-11-23 | 北京三星通信技术研究有限公司 | Control the method and device of multimedia equipment work |
| CN110475065A (en) * | 2019-08-19 | 2019-11-19 | 北京字节跳动网络技术有限公司 | Method, apparatus, electronic equipment and the storage medium of image procossing |
| CN110855963A (en) * | 2018-08-21 | 2020-02-28 | 视联动力信息技术股份有限公司 | Video data projection method and device |
| CN108810277B (en) * | 2018-06-15 | 2021-02-26 | Oppo广东移动通信有限公司 | Photographing preview method and device |
| WO2022095878A1 (en) * | 2020-11-04 | 2022-05-12 | 维沃移动通信（杭州）有限公司 | Photographing method and apparatus, and electronic device and readable storage medium |
| WO2024041006A1 (en) * | 2022-08-26 | 2024-02-29 | 荣耀终端有限公司 | Method for controlling frame rate of camera, and electronic device |
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| CN106528296A (en) * | 2016-11-21 | 2017-03-22 | 滁州职业技术学院 | Control method for running memory of mobile terminal, and mobile terminal |
| CN109992088A (en) * | 2016-11-21 | 2019-07-09 | 滁州职业技术学院 | A kind of mobile terminal |
| CN106528296B (en) * | 2016-11-21 | 2019-05-14 | 滁州职业技术学院 | A kind of control method of running of mobile terminal memory |
| CN108737761A (en) * | 2017-04-21 | 2018-11-02 | 腾讯科技（深圳）有限公司 | video recording method and device |
| CN108737761B (en) * | 2017-04-21 | 2021-08-10 | 腾讯科技（深圳）有限公司 | Video recording method and device |
| CN108881706B (en) * | 2017-05-16 | 2023-10-10 | 北京三星通信技术研究有限公司 | Method and device for controlling operation of multimedia equipment |
| CN108881706A (en) * | 2017-05-16 | 2018-11-23 | 北京三星通信技术研究有限公司 | Control the method and device of multimedia equipment work |
| CN107197103A (en) * | 2017-07-06 | 2017-09-22 | 三星电子（中国）研发中心 | The power saving progress control method and device of intelligent terminal |
| CN107509025A (en) * | 2017-07-26 | 2017-12-22 | 维沃移动通信有限公司 | A kind of camera control method and mobile terminal |
| CN107659985B (en) * | 2017-08-09 | 2021-03-09 | Oppo广东移动通信有限公司 | Method and device for reducing power consumption of mobile terminal, storage medium and mobile terminal |
| CN107659985A (en) * | 2017-08-09 | 2018-02-02 | 广东欧珀移动通信有限公司 | Reduce method, apparatus, storage medium and the mobile terminal of mobile terminal power consumption |
| CN108121524A (en) * | 2017-12-19 | 2018-06-05 | 广东欧珀移动通信有限公司 | The adjusting method and device, electronic equipment of electronic equipment image display preview frame per second |
| CN108121524B (en) * | 2017-12-19 | 2021-05-11 | Oppo广东移动通信有限公司 | Method and device for adjusting image display preview frame rate of electronic equipment and electronic equipment |
| CN108322650B (en) * | 2018-02-08 | 2020-03-27 | Oppo广东移动通信有限公司 | Video shooting method and device, electronic equipment and computer readable storage medium |
| CN108322650A (en) * | 2018-02-08 | 2018-07-24 | 广东欧珀移动通信有限公司 | Video capture method and apparatus, electronic equipment, computer readable storage medium |
| CN108733334A (en) * | 2018-03-13 | 2018-11-02 | 广东欧珀移动通信有限公司 | Image quality parameter adjusting method, device, terminal and storage medium |
| CN108733334B (en) * | 2018-03-13 | 2020-06-09 | Oppo广东移动通信有限公司 | Image quality parameter adjusting method, device, terminal and storage medium |
| CN108668022B (en) * | 2018-04-26 | 2020-11-27 | 四川酷比通信设备有限公司 | Face unlocking method in dark state and mobile terminal thereof |
| CN108668022A (en) * | 2018-04-26 | 2018-10-16 | 深圳市明泰电讯有限公司 | A kind of face unlocking method under dark-state and its mobile terminal |
| CN108337442A (en) * | 2018-05-14 | 2018-07-27 | Oppo广东移动通信有限公司 | Shooting preview display methods, device, terminal and storage medium |
| CN108810277B (en) * | 2018-06-15 | 2021-02-26 | Oppo广东移动通信有限公司 | Photographing preview method and device |
| CN110855963A (en) * | 2018-08-21 | 2020-02-28 | 视联动力信息技术股份有限公司 | Video data projection method and device |
| CN110475065B (en) * | 2019-08-19 | 2021-03-16 | 北京字节跳动网络技术有限公司 | Image processing method and device, electronic equipment and storage medium |
| CN110475065A (en) * | 2019-08-19 | 2019-11-19 | 北京字节跳动网络技术有限公司 | Method, apparatus, electronic equipment and the storage medium of image procossing |
| WO2022095878A1 (en) * | 2020-11-04 | 2022-05-12 | 维沃移动通信（杭州）有限公司 | Photographing method and apparatus, and electronic device and readable storage medium |
| WO2024041006A1 (en) * | 2022-08-26 | 2024-02-29 | 荣耀终端有限公司 | Method for controlling frame rate of camera, and electronic device |
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