CN103294493B - A kind of initial method of ancillary equipment, apparatus for initializing and photographing unit - Google Patents
A kind of initial method of ancillary equipment, apparatus for initializing and photographing unit Download PDFInfo
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Abstract
The embodiment of the present invention provides a kind of initial method of ancillary equipment, device and photographing unit, is related to initialization technique, in order to save initialization time, the method includes calling the first predefined parameter value and carrying out window setting according to described first predefined parameter；Start hardware abstraction layer to open driving layer；Call the second predefined parameter value and the setting of layer parameter value is driven according to described second predefined parameter value；After described driving layer parameter value is provided with, start preview so that data flow is exported window；In the case that window is provided with and starts preview, start preview.The embodiment of the present invention is applied to ancillary equipment and carries out initialized process.
Description
Technical field
The present invention relates to initialization technique, more particularly, to a kind of initial method of ancillary equipment, apparatus for initializing and photograph
Camera.
Background technology
In electronic system, some ancillary equipment such as such as video camera are required for carrying out the initial of ancillary equipment before use
Chemical industry is made, and the window of ancillary equipment could normally show.
In the prior art, to carry out initialized protocol procedures as follows for ancillary equipment：
Step 1, application program launching.
Step 2, application program carry out window setting according to the parameter value in application program.
Step 3, in the case that application program determines that window is provided with, application program to hardware layer send startup refer to
Order, hardware abstraction layer starts.
Step 4, application program determine hardware abstraction layer start in the case of, application program to drive layer send startup refer to
Order, drives layer to start.
Step 5, application program determine drive layer start in the case of, application program arrange Application Parameters value.
Step 6, in the case that application program determines that Application Parameters value is provided with, hardware abstraction layer is according to application
Program parameter values arrange hardware abstraction layer parameter value.
Step 7, in the case that application program determines that hardware abstraction layer parameter value is provided with, drive layer taken out according to hardware
Drive layer parameter value as layer parameter value is arranged.
Step 8, application program determine drive layer parameter value be provided with the case of, application program is to hardware abstraction
Layer sends preview command.
Step 9, hardware abstraction layer send preview command according to the preview command that application program is sent to driving layer.
Step 10, situation about being provided with window, start preview after driving layer to receive preview command.
It can be seen that, during stating initialization operation in realization, in whole process, latter action has to wait for previous
Just can proceed by after release, so certainly will increased the run time of whole initialization procedure.
Content of the invention
Embodiments of the invention provide a kind of initial method of ancillary equipment, apparatus for initializing and photographing unit, in order to save
About initialization time.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that：
The embodiment of the present invention provides a kind of initial method of ancillary equipment, including：
Call the first predefined parameter value and window setting is carried out according to described first predefined parameter；
Start hardware abstraction layer to open driving layer；
Call the second predefined parameter value and the setting of layer parameter value is driven according to described second predefined parameter value；
After described driving layer parameter value is provided with, start preview so that data flow is exported window；
In the case that window is provided with and starts preview, start preview.
Accordingly, a kind of apparatus for initializing of ancillary equipment is provided, including：
First processing units, are used for calling the first predefined parameter value and carrying out window according to described first predefined parameter setting
Put；
First start unit, for starting hardware abstraction layer to open driving layer；
Second processing unit, is used for calling the second predefined parameter value and being driven layer according to described second predefined parameter value
Parameter value is arranged；
Second start unit, for, after described driving layer parameter value is provided with, starting preview to export data flow
To window；
Preview unit, in the case of being provided with and start preview in window, starts preview.
Accordingly, also provide a kind of photographing unit, include in this photographing unit：The initial makeup of ancillary equipment as mentioned above
Put.
The embodiment of the present invention provides a kind of initial method of ancillary equipment, apparatus for initializing and photographing unit, on the one hand, logical
Cross and call the mode of parameter value to window and to drive layer parameter value to be configured, saved the setting time, on the other hand, started hard
After part level of abstraction, directly it is driven the setting of layer parameter value, thus starting preview, with respect to startup preview of the prior art
Need to wait Application Parameters value and after being provided with to hardware adaptation layer parameter value, be driven the setting of layer parameter value again
Mode, the present invention greatlys save the time starting preview.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of initial method flow chart provided in an embodiment of the present invention；
Fig. 2 is another kind initial method flow chart provided in an embodiment of the present invention；
Fig. 3 is a kind of apparatus for initializing block diagram provided in an embodiment of the present invention.
Specific embodiment
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 clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
To facilitate understanding of the present embodiment of the invention, first here introduce the embodiment of the present invention description in can introduce several will
Element.
Ancillary equipment：Such as photographing unit, video camera etc., this ancillary equipment includes multiple hardwares, and these hardware can be place
Reason device, internal memory, can also be photographic head, at a high speed/low speed input/output (I/O, Input/Output) equipment etc..
Drive layer (Kernel)：Directly facing hardware layer, send instructions under hardware.
Hardware abstraction layer (Hardware Abstraction Layer)：Operate in driving layer on, that is, be located at should
With the interface layer between program and driving layer.
Application program (APP)：Operate on hardware abstraction layer.
Embodiment one
The embodiment of the present invention provides a kind of initial method of ancillary equipment, and the executive agent of the method is application program,
The method comprising the steps of：
101st, call the first predefined parameter value and window setting is carried out according to described first predefined parameter；
In the present invention, the method using calling predefined parameter value for process window being configured, with respect to existing skill
In art, window setting is realized by application program arrange parameter value, carry out window setting in the present invention and greatly save initially
The change time.
102nd, start hardware abstraction layer to open driving layer.
It should be noted that step 102 can occur during carrying out window setting it is also possible to occur to set in window
After putting end, in the present invention, this is not construed as limiting.
103rd, call the second predefined parameter value and the setting of layer parameter value is driven according to described second predefined parameter value.
The method using calling predefined parameter value for the setting up procedure of driving layer parameter value, is first arranged with respect in prior art
Application Parameters value, arranges hardware adaptation layer parameter value further according to Application Parameters value, further according to hardware adaptation layer parameter
The method that value setting drives layer parameter value, drives the setting up procedure of layer parameter value to save the time in the present invention.
It should be noted that the present embodiment description employed in first, second saying, the not meaning of restriction order
Think, only for convenience of differentiation.
104th, after described driving layer parameter value is provided with, start preview so that data flow is exported window.
In the present invention, start the mode of preview with respect in prior art, by application program, preview command is sent
To hardware adaptation layer, hardware adaptation layer again by preview command be sent to drive layer process, greatly save start preview when
Between.
105th, in the case that window is provided with and starts preview, start preview.
It can be seen that, in initial method provided in an embodiment of the present invention, on the one hand, on the one hand, by call parameters value
Mode to window and drives layer parameter value to be configured, and has saved the setting time, on the other hand, after starting hardware abstraction layer,
Directly being driven the setting of layer parameter value, thus starting preview, needing etc. with respect to startup preview of the prior art to be applied
Program parameter values and the mode being driven the setting of layer parameter value to hardware adaptation layer parameter value after being provided with again, the present invention is big
Save the time starting preview greatly.
Embodiment two
As shown in Fig. 2 the invention provides the initial method of another kind of ancillary equipment, the executive agent of the method is should
With program, methods described includes：
201st, application program launching.
202nd, described application program judges the parameter value of last window setting whether in the range of window application parameter value,
If being judged as YES, executing following steps 203, if judged result is no, executing following steps 204.
203rd, the parameter value of application call last time window setting carries out window setting.In embodiments of the present invention,
The content of window setting is the content such as window size, resolution；Window application parameter value scope is window range of attributes itself,
That is, if as long as the parameter value of last window setting is within window range of attributes itself, current setting can preferentially be adopted
Parameter value with the setting of last window.
204th, application call window default value carries out window setting.
It should be noted that the above-mentioned parameter value of last window setting and window default value are typically stored at internal memory
In, application program can directly invoke from internal memory.
205th, described application program launching hardware abstraction layer is to open driving layer；This step 205 can occur carrying out window
It is also possible to occur after window is provided with during mouth setting.
206th, after driving layer open, whether described application program judges the last parameter value driving layer setting hard
In the range of part application parameter value；If the determination result is YES, then following steps 207 are executed, if judged result is no, execution is following
Step 208.
207th, the last parameter value driving layer setting of described application call, drives layer setting according to this last time
Parameter value setting drives layer parameter value.Layer is driven to send instructions directly facing under hardware layer in embodiments of the present invention, this driving layer
Parameter value i.e. hardware parameter value.
Wherein, hardware adaptations range of parameter values is hardware range of attributes itself, in embodiments of the present invention, last driving
As long as the parameter value of layer setting is within hardware adaptations range of parameter values, can preferentially call the last parameter driving layer setting
Value.Drive the exposure of layer parameter value such as photographic head, the parameter value of brightness.
So, layer parameter value is driven to control the state that each hardware reaches by setting, this process namely configures hardware
The process of parameter value, hardware parameter value is identical with driving layer parameter value.
208th, described application call drives layer default value and arranges driving layer parameter value according to this driving layer default value.
In the present invention, the last parameter value driving layer setting and driving layer default value are typically stored in internal memory, should
Can be directly invoked from internal memory with program.
Above step 206～208 has carried out driving the setting of layer parameter value, hereafter, executes following steps 209.
209th, described application program launching preview is to export window by data flow.For example, in the situation using video camera
Under, start preview thus allowing photographic head output stream.
In this process, the mode of application program launching preview is the mode directly initiating, and with respect in prior art, leads to
Cross application program and preview command is sent to hardware adaptation layer, preview command is sent to the mistake driving layer by hardware adaptation layer again
Journey, greatlys save the time starting preview.
210th, in the case that window is provided with and drives layer to start preview, start preview.
It can be seen that, in initial method provided in an embodiment of the present invention, on the one hand, by calling the parameter of last use
Value or default value, thus ensure that during call parameters value, fast and effeciently getting and can carry out window setting
Parameter value with driving the setting of layer parameter value, provides the foundation for whole initialization procedure, on the other hand, application program launching is hard
After part level of abstraction, start setting up driving layer parameter value and start preview, with respect to of the prior art startup preview need from
To hardware adaptation layer again to the mode driving layer down to set one by one, the present invention greatlys save window and starts application program
The time of preview.
It should be noted that for aforesaid each method embodiment, be expressed as a series of combination of actions, but this area
Technical staff should know, the present invention is not limited by described sequence of movement, because according to the present invention, some steps can
Sequentially or simultaneously to be carried out using other.Secondly, those skilled in the art also should know, enforcement described in this description
Example belongs to preferred embodiment, necessary to involved action and the module not necessarily present invention.
Embodiment three
As shown in figure 3, the embodiment of the present invention provides a kind of apparatus for initializing 30, including：First processing units 31, first open
Moving cell 32, second processing unit 33, the second start unit 34 and preview unit 35.
First processing units 31, are used for calling the first predefined parameter value and carrying out window according to described first predefined parameter setting
Put.Further, described first processing units 31, specifically for calling the first predefined parameter value and according to described from internal memory
One predefined parameter carries out window setting.
In the present invention, the method using calling predefined parameter value for process window being configured, with respect to existing skill
In art, window setting is realized by application program arrange parameter value, carry out window setting in the present invention and greatly save initially
The change time.
First start unit 32, for starting hardware abstraction layer to open driving layer.
Second processing unit 33, is used for calling the second predefined parameter value and being driven according to described second predefined parameter value
Layer parameter value is arranged.Further, described second processing unit 33, specifically for calling the second predefined parameter value simultaneously from internal memory
The setting of layer parameter value is driven according to described second predefined parameter value.
The method using calling predefined parameter value for the setting up procedure of driving layer parameter value, is first arranged with respect in prior art
Application Parameters value, arranges hardware adaptation layer parameter value further according to Application Parameters value, further according to hardware adaptation layer parameter
The method that value setting drives layer parameter value, drives the setting up procedure of layer parameter value to save the time in the present invention.
It should be noted that the present embodiment description employed in first, second saying, the not meaning of restriction order
Think, only for convenience of differentiation.
Second start unit 34, for, after described driving layer parameter value is provided with, starting preview so that data flow is defeated
Go out to window.
In the present invention, start the mode of preview with respect in prior art, by application program, preview command is sent
To hardware adaptation layer, hardware adaptation layer again by preview command be sent to drive layer process, greatly save start preview when
Between.
Preview unit 35, in the case of being provided with and start preview in window, starts preview.
Further, described first predefined parameter value includes parameter value or the window default value of last window setting.
Described second predefined parameter value includes the last parameter value driving layer setting or driving layer default value.
Further, described device 30 also includes：First judging unit 36 and the second judging unit 37.
Whether the first judging unit 36, for judging the parameter value of last window setting in window application parameter value scope
Interior, if the determination result is YES, then described first predefined parameter value is the parameter value of last window setting, if judged result is
No, then described first predefined parameter value is window default value.
In embodiments of the present invention, the content of window setting is the content such as window size, resolution；Window application parameter value
As long as scope is window range of attributes itself that is to say, that if the parameter value of last window setting is in window attribute model itself
Within enclosing, current setting can be preferentially using the parameter value of last window setting.
Whether the second judging unit 37, for judging the last parameter value driving layer setting in hardware adaptations parameter value model
In enclosing；If the determination result is YES, then described second predefined parameter value is the last parameter value driving layer setting, if judged result
It is no, then described second predefined parameter value is to drive layer default value.
In embodiments of the present invention, hardware adaptations range of parameter values is hardware range of attributes itself, in the embodiment of the present invention
In, as long as the last parameter value driving layer setting, within hardware adaptations range of parameter values, can preferentially call last driving
The parameter value of layer setting.Drive the exposure of layer parameter value such as photographic head, the parameter value of brightness.
It can be seen that, in apparatus for initializing provided in an embodiment of the present invention, on the one hand, call upper one by first processing units
The parameter value of secondary use or default value, thus ensure that during call parameters value, fast and effeciently get permissible
The parameter value carrying out window setting and driving the setting of layer parameter value, provides the foundation for whole initialization procedure, on the other hand, leads to
After crossing second processing unit starting hardware abstraction layer, then driving is started setting up by second processing unit and the second start unit
Layer parameter value and startup preview, need from application program to hardware adaptation layer again to drive with respect to startup preview of the prior art
The mode that dynamic layer down sets one by one, the present invention greatlys save the time that window starts preview.
Accordingly, also provide a kind of photographing unit, include in this photographing unit：Outside any one embodiment as above
Peripheral equipment apparatus for initializing.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion described in detail in certain embodiment
Point, may refer to the associated description of other embodiment.
One of ordinary skill in the art will appreciate that：The all or part of step realizing said method embodiment can be passed through
Completing, aforesaid program can be stored in a computer read/write memory medium the related hardware of programmed instruction, this program
Upon execution, execute the step including said method embodiment；And aforesaid storage medium includes：ROM, RAM, magnetic disc or light
Disk etc. is various can be with the medium of store program codes.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by described scope of the claims.
Claims (7)
1. a kind of initial method of ancillary equipment is it is characterised in that include：
Call the first predefined parameter value and window setting is carried out according to described first predefined parameter value；
Start hardware abstraction layer to open driving layer；
Call the second predefined parameter value and the setting of layer parameter value is driven according to described second predefined parameter value；
After described driving layer parameter value is provided with, start preview so that data flow is exported window；
In the case that window is provided with and starts preview, start preview；
Wherein, described first predefined parameter value includes parameter value or the window default value of last window setting；
Described second predefined parameter value includes the last parameter value driving layer setting or driving layer default value.
2. method according to claim 1 is it is characterised in that methods described also includes：
The parameter value judging last window setting whether in the range of window application parameter value, if the determination result is YES, then institute
State the parameter value that the first predefined parameter value is last window setting, if judged result is no, described first predefined parameter value
For window default value；
Judge the last parameter value driving layer setting whether in hardware adaptations range of parameter values；If the determination result is YES, then
Described second predefined parameter value is the last parameter value driving layer setting, if judged result is no, the described second predetermined ginseng
Numerical value is to drive layer default value.
3. method according to claim 1 it is characterised in that
Described call the first predefined parameter value, specially：The first predefined parameter value is called from internal memory；
Described call the second predefined parameter value, specially：The second predefined parameter value is called from internal memory.
4. a kind of apparatus for initializing of ancillary equipment is it is characterised in that include：
First processing units, are used for calling the first predefined parameter value and carrying out window setting according to described first predefined parameter value；
First start unit, for starting hardware abstraction layer to open driving layer；
Second processing unit, is used for calling the second predefined parameter value and being driven layer parameter according to described second predefined parameter value
Value setting；
Second start unit, for, after described driving layer parameter value is provided with, starting preview so that data flow is exported window
Mouthful；
Preview unit, in the case of being provided with and start preview in window, starts preview；
Wherein, described first predefined parameter value includes parameter value or the window default value of last window setting；
Described second predefined parameter value includes the last parameter value driving layer setting or driving layer default value.
5. device according to claim 4 is it is characterised in that described device also includes：
First judging unit, for judging the parameter value of last window setting whether in the range of window application parameter value, if
Judged result is yes, then described first predefined parameter value is the parameter value of last window setting, if judged result is no, institute
Stating the first predefined parameter value is window default value；
Whether the second judging unit, for judging the last parameter value driving layer setting in hardware adaptations range of parameter values；
If the determination result is YES, then described second predefined parameter value is the last parameter value driving layer setting, if judged result is no,
Then described second predefined parameter value is to drive layer default value.
6. device according to claim 4 it is characterised in that
Described first processing units, specifically for：Call the first predefined parameter value and according to the described first predetermined ginseng from internal memory
Numerical value carries out window setting；
Described second processing unit, specifically for：Call the second predefined parameter value and according to the described second predetermined ginseng from internal memory
Numerical value is driven the setting of layer parameter value.
7. a kind of photographing unit is it is characterised in that include in this photographing unit：Outer as described in claim 4-6 any one
The apparatus for initializing of peripheral equipment.
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| WO2016084577A1 (en) * | 2014-11-26 | 2016-06-02 | 株式会社Ｎｔｔドコモ | Information communication terminal, method for coordinating peripheral apparatus, and program |
| CN104574260B (en) * | 2015-01-09 | 2018-10-16 | 青岛海信移动通信技术股份有限公司 | A kind of generation method and device of image information |
| CN105898149A (en) * | 2016-06-01 | 2016-08-24 | 广东欧珀移动通信有限公司 | Camera starting method and system |
| CN110086967B (en) * | 2019-04-10 | 2021-02-05 | Oppo广东移动通信有限公司 | Image processing method, image processor, photographing device and electronic equipment |
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| CN101051279A (en) * | 2007-05-15 | 2007-10-10 | 华为技术有限公司 | Peripheral equipment operation method, peripheral equipment and host |
| CN101668187A (en) * | 2009-09-29 | 2010-03-10 | 中兴通讯股份有限公司 | Video monitoring encoder middleware general purpose system and message passing method |
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| US20040193860A1 (en) * | 2003-03-24 | 2004-09-30 | Rothman Michael A | Methods and apparatus to export information from hardware devices |
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| CN101051279A (en) * | 2007-05-15 | 2007-10-10 | 华为技术有限公司 | Peripheral equipment operation method, peripheral equipment and host |
| CN101668187A (en) * | 2009-09-29 | 2010-03-10 | 中兴通讯股份有限公司 | Video monitoring encoder middleware general purpose system and message passing method |
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