CN107465870A - The replacement method and system of external camera - Google Patents
The replacement method and system of external camera Download PDFInfo
- Publication number
- CN107465870A CN107465870A CN201710644563.8A CN201710644563A CN107465870A CN 107465870 A CN107465870 A CN 107465870A CN 201710644563 A CN201710644563 A CN 201710644563A CN 107465870 A CN107465870 A CN 107465870A
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- camera
- usb
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- driven
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
- H04N23/663—Remote control of cameras or camera parts, e.g. by remote control devices for controlling interchangeable camera parts based on electronic image sensor signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/45—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Studio Devices (AREA)
Abstract
The invention provides the replacement method of external camera and system, including：Obtain sampled images solicited message；Camera is judged whether according to sampled images solicited message；If there is camera, it is determined that the number and type of camera；If the number of camera is multiple and a general-purpose serial bus USB camera at least be present, the second parameter of the first parameter of USB camera and front camera is interacted；Pass through the kernel-driven of the interface interchange USB camera of front camera；By the kernel-driven of USB camera by the image information display that USB camera gathers on the application interface of Android system, fixing camera can be replaced according to the insertion situation of external USB camera, and ensure the complete of smart machine, and do not need restarting equipment.
Description
Technical field
The present invention relates to Android technical field, more particularly, to the replacement method and system of external camera.
Background technology
As the development of Android (Android) smart machine, applications of the Android in terms of camera are also more and more various
Change, use occasion and demand are also more and more.The smart machine based on android system can only generally support two on the market at present
Individual camera, respectively as front and rear camera, but in having the application scenario of particular/special requirement to camera, original equipment collection
Into dual camera may can not meet the needs of user in pixel, angle, frame per second etc., this just need user renewal from
The environment that oneself uses, configuration meet the camera of oneself demand.
In order to configure the camera for meeting oneself demand, user can tear machine open and replace with new camera, and ensure in system only
There are two fixed cameras to be called, but take this mode, than relatively low, domestic consumer is difficult to realize operability.
In addition, after Android system startup, new camera access is determined whether, if so, then making kernel-driven
Equipment is restarted, one of them fixed webcam driver is not loaded with during startup, aforesaid way is taken, although may insure
The integrality of smart machine, but restarting equipment is had to, such user can be influenceed when carrying out business operation by interrupting, and use
Family experience is poor.
The content of the invention
In view of this, can be according to external it is an object of the invention to provide the replacement method of external camera and system
The insertion situation of USB camera replaces fixing camera, and ensures the complete of smart machine, and does not need restarting equipment.
In a first aspect, the embodiments of the invention provide the replacement method of external camera, methods described includes：
Obtain sampled images solicited message；
Camera is judged whether according to the sampled images solicited message；
If there is the camera, it is determined that the number and type of the camera；
If the number of the camera is multiple and a general-purpose serial bus USB camera at least be present, by institute
State the first parameter of USB camera and the second parameter of front camera interacts；
Pass through the kernel-driven of USB camera described in the interface interchange of the front camera；
By the kernel-driven of the USB camera by the image information display that the USB camera gathers in Android system
On the application interface of system.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the first of first aspect, wherein, institute
If the number for stating the camera is multiple and at least included in the presence of a general-purpose serial bus USB camera：
If the number of the camera be three and one of them be the USB camera, shooting described in other two
Head is respectively the front camera and rear camera.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of second of first aspect, wherein, institute
State by the second parameter of the first parameter of the USB camera and front camera interact including：
The front camera reads first parameter of the USB camera；
First parameter is stored in the storage area of the front camera, and second parameter is stored in institute
In the storage area for stating USB camera.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the third of first aspect, wherein, institute
State and camera is judged whether according to the sampled images solicited message, in addition to：
If there is no the camera, then display reports an error and reminds letter on the application interface of the Android system
Breath.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 4th of first aspect kind, wherein, institute
Stating method also includes：
If the number of the camera is two and respectively described USB camera and the front camera, directly
Connect the kernel-driven for calling the USB camera；
By the kernel-driven of the USB camera by the image information display that the USB camera gathers in Android system
On the application interface of system.
Second aspect, the embodiment of the present invention also provide the replacement system of external camera, and the system includes:
Acquiring unit, for obtaining sampled images solicited message；
Judging unit, for judging whether camera according to the sampled images solicited message；
Determining unit, for it the camera be present in the case of, determine the number and type of the camera；
Interactive unit, for being multiple in the number of the camera and at least being taken the photograph in the presence of a general-purpose serial bus USB
In the case of as head, the second parameter of the first parameter of the USB camera and front camera is interacted；
First call unit, the kernel-driven for USB camera described in the interface interchange by the front camera；
First display unit, the image for gathering the USB camera for the kernel-driven by the USB camera
Presentation of information is on the application interface of Android system.
With reference to second aspect, the embodiments of the invention provide the possible embodiment of the first of second aspect, wherein, institute
Stating interactive unit includes：
If the number of the camera be three and one of them be the USB camera, shooting described in other two
Head is respectively the front camera and rear camera.
With reference to second aspect, the embodiments of the invention provide the possible embodiment of second of second aspect, wherein, institute
Stating interactive unit also includes：
The front camera reads first parameter of the USB camera；First parameter is stored in institute
In the storage area for stating front camera, and second parameter is stored in the storage area of the USB camera.
With reference to second aspect, the embodiments of the invention provide the possible embodiment of the third of second aspect, wherein, institute
Stating judging unit also includes：
If there is no the camera, then display reports an error and reminds letter on the application interface of the Android system
Breath.
With reference to second aspect, the embodiments of the invention provide the possible embodiment of the 4th of second aspect kind, wherein, institute
Stating system also includes：
Second call unit, for being two and respectively described USB camera and described in the number of the camera
Front camera, then directly invoke the kernel-driven of the USB camera；
Second display unit, the image for gathering the USB camera for the kernel-driven by the USB camera
Presentation of information is on the application interface of Android system.
The embodiments of the invention provide the replacement method of external camera and system, including：Obtain sampled images request letter
Breath；Camera is judged whether according to sampled images solicited message；If there is camera, it is determined that the number of camera and
Type；If the number of camera is multiple and a general-purpose serial bus USB camera at least be present, by USB camera
The first parameter and the second parameter of front camera interact；Pass through the interface interchange USB camera of front camera
Kernel-driven；By the kernel-driven of USB camera by the image information display that USB camera gathers Android system application
On interface, fixing camera can be replaced according to the insertion situation of external USB camera, and ensure the complete of smart machine, with
And restarting equipment is not needed.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages are in specification, claims
And specifically noted structure is realized and obtained in accompanying drawing.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the replacement method flow chart of external camera provided in an embodiment of the present invention；
Fig. 2 be external camera provided in an embodiment of the present invention replacement method in step S105 flow chart；
Fig. 3 is the replacement system schematic diagram of external camera provided in an embodiment of the present invention；
Fig. 4 is the replacement system schematic diagram of another external camera provided in an embodiment of the present invention.
Icon：
10- acquiring units；20- judging units；30- determining units；40- interactive units；The call units of 50- first；60-
One display unit；The call units of 70- second；The display units of 80- second.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Technical scheme be clearly and completely described, it is clear that described embodiment is part of the embodiment of the present invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
For ease of understanding the present embodiment, the embodiment of the present invention is described in detail below.
Embodiment one：
Fig. 1 is the replacement method flow chart of external camera provided in an embodiment of the present invention.
Reference picture 1, this method comprises the following steps：
Step S101, obtain sampled images solicited message；
Here, sampled images solicited message is obtained on Android camera application interfaces, and sampled images are asked to believe
Breath is sent to Android camera services.
Step S102, camera is judged whether according to sampled images solicited message, if there is camera, then performed
Step S103；If there is no camera, then step S104 is performed；
Here, the service of Android cameras passes through kernel interface inquiry judging after sampled images solicited message is received
With the presence or absence of camera.
Step S103, determine the number and type of camera；
Step S104, the prompting message that reports an error is shown on the application interface of Android system；
Step S105, if the number of the camera is multiple and a USB (Universal Serial at least be present
Bus, USB) camera, then the second parameter of the first parameter of USB camera and front camera is handed over
Mutually；
Here, if the number of camera is three, and one of them is USB camera, then needs USB camera
The first parameter and the second parameter of front camera interact, without tearing machine open, it is only necessary to external USB shootings
Head, fixing camera can be replaced according to the insertion situation of external USB camera, and ensure the complete of smart machine, and not
Need restarting equipment.
Step S106, pass through the kernel-driven of USB camera described in the interface interchange of the front camera；
After the completion of front camera and USB camera are replaced, USB camera will respond the request of front camera,
Pass through the kernel-driven of the interface interchange USB camera of front camera.
Step S107, the image information display for being gathered the USB camera by the kernel-driven of the USB camera
On the application interface of Android system.
Further, if the number of the camera is multiple and a general-purpose serial bus USB shooting at least be present
Head includes：
If the number of the camera be three and one of them be USB camera, other two camera is respectively
Front camera and rear camera.
Further, reference picture 2, step S105 comprise the following steps：
Step S201, front camera read first parameter of the USB camera；
Step S202, first parameter is stored in the storage area of the front camera, and described second is joined
Number is stored in the storage area of the USB camera.
Further, methods described also includes：
If the number of the camera is two and respectively described USB camera and the front camera, directly
Connect the kernel-driven for calling the USB camera；
By the kernel-driven of the USB camera by the image information display that the USB camera gathers in Android system
On the application interface of system.
If there is a front camera and a USB camera, then corresponding kernel-driven is directly invoked, and by phase
The image information display answered is on the application interface of Android system.
Embodiment two：
Fig. 3 is the replacement system schematic diagram of external camera provided in an embodiment of the present invention.
Reference picture 3, the system include：Acquiring unit 10, judging unit 20, determining unit 30, interactive unit 40, first are adjusted
With the display unit 60 of unit 50 and first, in addition to the second call unit 70 and the second display unit 80.
Acquiring unit 10, for obtaining sampled images solicited message；
Judging unit 20, for judging whether camera according to the sampled images solicited message；
Determining unit 30, for it the camera be present in the case of, determine the number and type of the camera；
Interactive unit 40, for being multiple and a general-purpose serial bus USB at least be present in the number of the camera
In the case of camera, the second parameter of the first parameter of the USB camera and front camera is interacted；
First call unit 50, the kernel for USB camera described in the interface interchange by the front camera drive
It is dynamic；
First display unit 60, the figure for gathering the USB camera for the kernel-driven by the USB camera
As presentation of information is on the application interface of Android system.
Further, interactive unit 40 includes：
If the number of the camera be three and one of them be the USB camera, shooting described in other two
Head is respectively the front camera and rear camera.
Further, interactive unit 40 also includes：
Front camera reads first parameter of the USB camera, by first parameter be stored in it is described before
Put in the storage area of camera, and second parameter is stored in the storage area of the USB camera.
Further, judging unit 20 also includes：
If there is no the camera, then display reports an error and reminds letter on the application interface of the Android system
Breath.
Further, reference picture 4, the system also include：
Second call unit 70, for the camera number for two and respectively described USB camera and institute
Front camera is stated, then directly invokes the kernel-driven of the USB camera；
Second display unit 80, the figure for gathering the USB camera for the kernel-driven by the USB camera
As presentation of information is on the application interface of Android system.
The embodiment of the present invention also provides a kind of electronic equipment, including memory, processor and storage are on a memory and can
The computer program run on a processor, the external shooting that above-described embodiment provides is realized during computing device computer program
The step of replacement method of head.
The embodiment of the present invention also provides a kind of computer-readable recording medium, and meter is stored with computer-readable recording medium
Calculation machine program, the step of the replacement method for the external camera that above-described embodiment is performed when computer program is run by processor.
The computer program product that the embodiment of the present invention is provided, including store the computer-readable storage of program code
Medium, the instruction that described program code includes can be used for performing the method described in previous methods embodiment, and specific implementation can be joined
See embodiment of the method, will not be repeated here.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
With the specific work process of device, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In addition, in the description of the embodiment of the present invention, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
If the function is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part to be contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are causing a computer equipment (can be
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the present invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
Finally it should be noted that：Embodiment described above, it is only the embodiment of the present invention, to illustrate the present invention
Technical scheme, rather than its limitations, protection scope of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those within the art that：Any one skilled in the art
The invention discloses technical scope in, it can still modify to the technical scheme described in previous embodiment or can be light
Change is readily conceivable that, or equivalent substitution is carried out to which part technical characteristic；And these modifications, change or replacement, do not make
The essence of appropriate technical solution departs from the spirit and scope of technical scheme of the embodiment of the present invention, should all cover the protection in the present invention
Within the scope of.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
1. a kind of replacement method of external camera, it is characterised in that methods described includes：
Obtain sampled images solicited message；
Camera is judged whether according to the sampled images solicited message；
If there is the camera, it is determined that the number and type of the camera；
If the number of the camera is multiple and a general-purpose serial bus USB camera at least be present, by the USB
First parameter of camera and the second parameter of front camera interact；
Pass through the kernel-driven of USB camera described in the interface interchange of the front camera；
The image information display for being gathered the USB camera by the kernel-driven of the USB camera is in Android system
On application interface.
2. the replacement method of external camera according to claim 1, it is characterised in that if the camera
Number is multiple and at least included in the presence of a general-purpose serial bus USB camera：
If the number of the camera be three and one of them be the USB camera, camera described in other two point
Wei not the front camera and rear camera.
3. the replacement method of external camera according to claim 1, it is characterised in that described by the USB camera
The first parameter and front camera the second parameter interact including：
The front camera reads first parameter of the USB camera；
First parameter is stored in the storage area of the front camera, and second parameter is stored in described
In the storage area of USB camera.
4. the replacement method of external camera according to claim 1, it is characterised in that described according to the sampled images
Solicited message judges whether camera, in addition to：
If there is no the camera, then the prompting message that reports an error is shown on the application interface of the Android system.
5. the replacement method of external camera according to claim 1, it is characterised in that methods described also includes：
If the number of the camera is two and respectively described USB camera and the front camera, directly adjust
With the kernel-driven of the USB camera；
The image information display for being gathered the USB camera by the kernel-driven of the USB camera is in Android system
On application interface.
6. a kind of replacement system of external camera, it is characterised in that the system includes:
Acquiring unit, for obtaining sampled images solicited message；
Judging unit, for judging whether camera according to the sampled images solicited message；
Determining unit, for it the camera be present in the case of, determine the number and type of the camera；
Interactive unit, for being multiple and a general-purpose serial bus USB camera at least be present in the number of the camera
In the case of, the second parameter of the first parameter of the USB camera and front camera is interacted；
First call unit, the kernel-driven for USB camera described in the interface interchange by the front camera；
First display unit, the image information for gathering the USB camera for the kernel-driven by the USB camera
It is shown on the application interface of Android system.
7. the replacement system of external camera according to claim 6, it is characterised in that the interactive unit includes：
If the number of the camera be three and one of them be the USB camera, camera described in other two point
Wei not the front camera and rear camera.
8. the replacement system of external camera according to claim 6, it is characterised in that the interactive unit also includes：
The front camera reads first parameter of the USB camera；By first parameter be stored in it is described before
Put in the storage area of camera, and second parameter is stored in the storage area of the USB camera.
9. the replacement system of external camera according to claim 6, it is characterised in that the judging unit also includes：
If there is no the camera, then the prompting message that reports an error is shown on the application interface of the Android system.
10. the replacement system of external camera according to claim 6, it is characterised in that the system also includes：
Second call unit, for being two and respectively described USB camera and described preposition in the number of the camera
Camera, then directly invoke the kernel-driven of the USB camera；
Second display unit, the image information for gathering the USB camera for the kernel-driven by the USB camera
It is shown on the application interface of Android system.
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| CN201710644563.8A CN107465870A (en) | 2017-07-31 | 2017-07-31 | The replacement method and system of external camera |
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| CN201710644563.8A CN107465870A (en) | 2017-07-31 | 2017-07-31 | The replacement method and system of external camera |
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| CN201710644563.8A Pending CN107465870A (en) | 2017-07-31 | 2017-07-31 | The replacement method and system of external camera |
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| CN108924308A (en) * | 2018-07-19 | 2018-11-30 | Oppo广东移动通信有限公司 | Call method, device, storage medium and the terminal of camera |
| CN111212227A (en) * | 2020-01-13 | 2020-05-29 | 广州视源电子科技股份有限公司 | Method, device and equipment for configuring video resolution of camera and storage medium |
| CN111669496A (en) * | 2020-05-29 | 2020-09-15 | 华勤通讯技术有限公司 | Method for realizing double shooting of mobile terminal and mobile terminal |
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| US11368628B2 (en) | 2020-10-19 | 2022-06-21 | Light Wave Technology Inc. | System for tracking a user during a videotelephony session and method of use thereof |
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Application publication date: 20171212 |