CN105824658B - The camera model of a kind of electronic equipment starts method and electronic equipment - Google Patents
The camera model of a kind of electronic equipment starts method and electronic equipment Download PDFInfo
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Abstract
The invention provides the camera model of a kind of electronic equipment to start method and electronic equipment, wherein, camera model, which starts method, to be included：Receive the enabled instruction for the camera model；The first configuration for being performed picture signal processing according to the enabled instruction using first processor is operated, and the second configuration for being performed the camera model according to the enabled instruction using second processor is operated, wherein, the first processor includes the physical memory for image storage and the image signal processing blocks of execution picture signal processing；After the described first configuration operation and the second configuration operation are performed both by, start the camera model.Scheme provided by the invention performs configuration operation simultaneously by using first processor and second processor, substantially reduces the startup used time of the camera model of electronic equipment, improves Consumer's Experience.
Description
Technical Field
The present invention relates to the field of software technologies, and in particular, to a method for starting a camera module of an electronic device and an electronic device.
Background
At present, a camera has become a standard configuration on a mobile phone, and a performance requirement of a client on the camera is higher and higher, however, the camera on the mobile phone is started more often (especially in a step of configuring parameters), and a starting process needs to be executed in sequence, otherwise, an abnormal condition occurs: the received data is incomplete, or the front frame and the back frame are crossed, so that the image cannot be displayed or the color is not equal.
Disclosure of Invention
The invention aims to provide a camera module starting method of electronic equipment and the electronic equipment, and solves the problem that in the prior art, a camera on a mobile phone is started more time.
In order to solve the above technical problem, an embodiment of the present invention provides a method for starting a camera module of an electronic device, including:
receiving a start instruction for the camera module;
executing a first configuration operation of image signal processing according to the starting instruction by using a first processor, and executing a second configuration operation of the camera module according to the starting instruction by using a second processor, wherein the first processor comprises a physical memory for storing images and an image signal processing module for executing image signal processing;
and starting the camera module after the first configuration operation and the second configuration operation are both executed.
The invention also provides an electronic device, comprising a camera module, and further comprising:
a receiving unit configured to receive a start instruction for the camera module;
the first processor is used for executing a first configuration operation of image signal processing according to the starting instruction;
a second processor for executing a second configuration operation of the camera module according to the start instruction;
the starting unit is used for starting the camera module after the first configuration operation and the second configuration operation are executed;
the first processor comprises a physical memory for storing images and an image signal processing module for executing image signal processing.
The technical scheme of the invention has the following beneficial effects:
in the above scheme, the method for starting the camera module of the electronic device performs the configuration operation by using the first processor and the second processor simultaneously, so that the time for starting the camera module of the electronic device is greatly shortened, and the user experience is improved.
Drawings
Fig. 1 is a flowchart illustrating a method for starting a camera module of an electronic device according to a first embodiment of the invention;
fig. 2 is a flowchart illustrating a camera module starting method of an electronic device according to a second embodiment of the present invention;
fig. 3 is a flowchart illustrating a camera module starting method of an electronic device according to a third embodiment of the present invention;
fig. 4 is a first flowchart illustrating a method for starting a camera module of an electronic device according to a fourth embodiment of the present invention;
fig. 5 is a flowchart illustrating a second method for starting a camera module of an electronic device according to a fourth embodiment of the present invention;
fig. 6 is a schematic structural diagram of an electronic device according to a fifth embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The invention provides various solutions for solving the problem that the camera on the mobile phone in the prior art is more in starting time, and the solutions are as follows:
example one
Referring to fig. 1, a method for starting a camera module of an electronic device according to a first embodiment of the present invention includes:
step 11: receiving a start instruction for the camera module;
step 12: executing a first configuration operation of image signal processing according to the starting instruction by using a first processor, and executing a second configuration operation of the camera module according to the starting instruction by using a second processor, wherein the first processor comprises a physical memory for storing images and an image signal processing module for executing image signal processing;
step 13: and starting the camera module after the first configuration operation and the second configuration operation are both executed.
The starting instruction in step 11 may be an action of a user clicking a camera module icon on the electronic device, the first configuration operation in step 12 may be a preparation work in a conventional camera starting process, the second configuration operation may be an operation of setting a camera chip, and the starting of the camera module in step 13 may be an operation of acquiring and transmitting image data in a conventional camera starting process, and processing and displaying the image data.
Optionally, the first processor is an application processor AP of the electronic device, and the second processor is a coprocessor of the electronic device; or, the first processor is a coprocessor of the electronic device, and the second processor is an application processor AP of the electronic device.
Specifically, the step of executing, by the first processor, the first configuration operation of the image signal processing according to the start instruction includes: configuring, with the first processor, a format of a stored image and processing parameters of the image signal processing module; further, the method also comprises the following steps: allocating the physical memory with the first processor.
The step of executing, by the second processor, a second configuration operation of the camera module according to the start instruction, corresponding to the electronic device having only one camera, includes: configuring, with a second processor, camera register parameters of the camera module.
The step of executing the second configuration operation of the camera module according to the starting instruction by using the second processor comprises the following steps: reading, by a second processor, an identity of a default camera chip in the camera module; and configuring corresponding camera register parameters by using the second processor according to the identity of the default camera chip. The default camera chip is also the last used camera chip.
According to the method for starting the camera module of the electronic equipment, the first processor and the second processor are used for executing configuration operation at the same time, so that the time for starting the camera module of the electronic equipment is greatly shortened, and the user experience is improved.
Example two
Referring to fig. 2, a method for starting a camera module of an electronic device according to a second embodiment of the present invention includes:
step 21: receiving a start instruction for the camera module;
step 221: executing a first configuration operation of image signal processing by using a first processor according to the starting instruction, and reading the identity of a default camera chip in the camera module by using a second processor;
step 222: verifying whether the identity of the default camera chip is correct by using the second processor;
step 223: when the verification result indicates that the camera register parameters are correct, configuring corresponding camera register parameters by using the second processor according to the identity of the default camera chip;
the first processor comprises a physical memory for storing images and an image signal processing module for executing image signal processing;
step 23: and starting the camera module after the first configuration operation and the second configuration operation (configuring the camera register parameters) are executed.
In step 222, it is verified whether the identity of the default camera chip is correct, that is, whether the read default chip is the camera chip included in the camera module or not is verified, and whether the read identity is out of range and wrong is determined.
In the second embodiment of the invention, the camera module starting method of the electronic equipment simultaneously performs configuration operation through the first processor and the second processor, and verifies the identity of the camera chip, so that the time for starting the camera module of the electronic equipment is greatly shortened, the accuracy of the storage position is ensured, the use experience of a user is improved, and the problem that the time for starting the camera on the mobile phone in the prior art is more is solved.
EXAMPLE III
Referring to fig. 3, a method for starting a camera module of an electronic device according to a third embodiment of the present invention includes:
step 31: receiving a start instruction for the camera module;
step 321: executing a first configuration operation of image signal processing according to the starting instruction by using a first processor, and generating a reading instruction according to the starting instruction by using the first processor;
step 322: reading the identity of a default camera chip in the camera module by using a second processor according to the reading instruction;
step 323: configuring corresponding camera register parameters by using the second processor according to the identity of the default camera chip;
the first processor comprises a physical memory for storing images and an image signal processing module for executing image signal processing;
step 33: and starting the camera module after the first configuration operation and the second configuration operation (configuring the camera register parameters) are executed.
In the third embodiment of the present invention, the camera module of the electronic device is started by performing information interaction between the first processor and the second processor, and then performing configuration operation at the same time, so that the time for starting the camera module of the electronic device is greatly shortened, and the problem that the time for starting the camera on the mobile phone is more in the prior art is solved.
Example four
The embodiment of the invention improves the starting process of the camera module of the mobile phone in the prior art by adding the coprocessor of the third party, and has the following two flow modes:
1, a main chip (AP) informs a coprocessor (Co-CPU) that a camera (CCM) needs to be opened, and reads a last set/default CCM chip ID (identity);
2. a, preparing by a main chip, allocating a memory for storing an image, configuring a format for storing the image, and configuring an Image Signal Processor (ISP);
b. the coprocessor checks whether the ID of a Camera Chip (CCM) is correct; if yes, entering the step c, and if not, reading another CCM chip ID;
c. the coprocessor configures CCM and sets CCM setting (camera register);
3. finally, opening a CCM data flow (acquiring image data), and starting to transmit each frame of image data, wherein the data is transmitted to an ISP (access point) end;
4. the ISP receives the data, processes the data format and transmits the image data to the AP after the data is processed;
5. and the AP displays the image and completes the starting of the camera.
In a second flow mode (the coprocessor comprises an internal memory and an image processor ISP inside), 1, a main chip (AP) informs a coprocessor (Co-CPU) of needing to open a CCM, and reads a last set/default CCM chip ID (identity);
2. a, the coprocessor carries out preparation work, allocates memory for storing images, configures formats for storing images and configures an ISP.
b. The main chip checks whether the ID of the Camera Chip (CCM) is correct; if yes, entering the step c, and if not, reading another CCM chip ID;
c. the main chip configures CCM and sets CCM setting (camera register);
3. finally, opening a CCM data flow (acquiring image data), starting to transmit each frame of image data, and transmitting the data to an ISP (internet service provider) at a Co-processor (Co-CPU) end;
4. the ISP receives the data, processes the data format and transmits the image data to the AP after the data is processed;
5. and the AP displays the image and completes the starting of the camera.
The improvement point of the fourth embodiment of the invention is that the step of asynchronous execution in the original flow is changed into a and (b, c) which can be synchronously executed; the total time is changed from the sum of the execution times of the previous steps to the sum of the execution times of the other steps, and the sum of the execution times of the step a or the steps b and c (the execution time with the larger selected value).
In addition, the memory allocation in the second flow method is in the ISP, and the memory allocation can be directly used without releasing the memory allocation, so that the speed can be faster.
Two flow schemes provided in the fourth embodiment of the present invention are specifically described below.
Aiming at the first flow mode, the camera and the coprocessor on the mobile phone need to meet the following conditions:
the AP can communicate with the coprocessor;
b. the Co-processor (Co-CPU) is capable of controlling CCM;
and C, CCM data is transmitted to the ISP of the AP end.
The specific application flow is shown in fig. 4:
step 41: receiving a request of a user for entering a camera, and entering the camera;
in the step, the user opens the camera application and enters the camera to take a picture.
Step 42: the AP informs the coprocessor to open CCM;
in this step, the AP receives the camera opening message and notifies the coprocessor to open CCM.
Step 43: in the step, AP allocates memory, configures ISP and coprocessor to initialize CCM parallel, so that the method can be decomposed into the following small steps;
the AP end:
allocating a memory by an AP (access point);
setting a format for accepting (storing) the image by the AP terminal;
the AP configures an ISP processor (initialization, parameter setting and performance setting);
a coprocessor:
d. the coprocessor checks the CCM ID;
e. the coprocessor sets the CCM setting.
The AP side and the coprocessor are in parallel.
Step 44: opening a camera, acquiring image data, opening a CCM data flow, and starting to output data;
in this step, after the notification that both parts of the work are completed is obtained in step 43, the data flow of the CCM is opened, and the data is output to the ISP at the AP side.
Step 45: and the ISP end processes the data after receiving the data, and delivers the processed data to the AP to display the image.
In this step, after the raw data obtained in step 44 is processed by the ISP, the data is returned to the AP.
Step 46: and (4) judging whether the camera is quitted, if so, entering a step 47, otherwise, returning to the step 45.
Step 47: turning off the camera according to a request of a user to turn off the camera;
the current processing mode of the step releases the memory applied by the AP terminal, and the ISP state and the CCM state are restored; of course, when the camera is turned off, the memory of the AP side is not released, or the CMM is set to a standby/sleep mode, so that the time for configuring the parameters is shorter and the processing speed is faster.
For the second flow method, the camera and the coprocessor on the mobile phone need to satisfy the following conditions:
the AP can communicate with the coprocessor and can communicate with the CCM;
e. a Co-processor (Co-CPU) capable of receiving CCM data;
CCM data is transmitted to the coprocessor;
g. the coprocessor includes physical memory, and an ISP capable of processing images.
The specific application flow is shown in fig. 5:
step 51: receiving a request of a user for entering a camera, and entering the camera;
in the step, the user opens the camera application and enters the camera to take a picture.
Step 52: the AP informs the coprocessor to open CCM;
in this step, the AP receives the camera opening message and notifies the coprocessor to open CCM.
Step 53: judging whether the camera is started for the first time, if so, entering a step 55, and if not, entering a step 54;
step 54: the AP checks the CCM ID, sets CCM setting, and then proceeds to step 56.
Step 55: in the step, AP initializes CCM, a coprocessor allocates memory and an initial ISP are parallel, so that the steps can be decomposed into the following small steps;
the AP end:
checking CCM ID by the AP terminal;
and g, initializing (setting) CCM setting by the AP terminal.
A coprocessor:
h. configuring an ISP (internet service provider) processor (initializing, setting parameters and setting performance) by a coprocessor end;
i. the coprocessor allocates a memory;
j. the coprocessor configures the image format.
The AP side and the coprocessor are in parallel.
Step 56: opening a camera, acquiring image data, opening a CCM data flow, and starting to output data;
in this step, after the notification that the two parts of work are completed is obtained according to step 55 or the verification setting of the AP side is completed according to step 54, the data flow of the CCM is opened, and the data is output to the ISP of the coprocessor side.
And 57: and the coprocessor ISP processes the data after receiving the data, and delivers the processed data to the AP to display the image.
In this step, after the raw data obtained in step 56 is processed by the ISP, the data is returned to the AP.
Step 58: and judging whether the camera is exited, if so, entering step 59, otherwise, returning to step 57.
Step 59: turning off the camera according to a request of a user to turn off the camera;
in the current processing mode of the step, the memory applied by the coprocessor end is not released, the ISP state can be set to a standby mode without being restored, and the CCM state is restored (the CMM setting is released by the AP), so that the speed of starting the camera next time can be increased.
EXAMPLE five
Referring to fig. 6, the electronic device according to the fifth embodiment of the present invention includes a camera module 61, and further includes:
a receiving unit 62 configured to receive a start instruction for the camera module;
a first processor 63, configured to perform a first configuration operation of image signal processing according to the start instruction;
a second processor 64 for performing a second configuration operation of the camera module according to the start instruction;
a starting unit 65, configured to start the camera module after the first configuration operation and the second configuration operation are both performed;
the first processor comprises a physical memory for storing images and an image signal processing module for executing image signal processing.
The electronic device provided by the fifth embodiment of the invention utilizes the first processor and the second processor to execute configuration operation simultaneously, thereby greatly shortening the time for starting the camera module of the electronic device and improving the user experience.
Optionally, the start instruction may be an action of a user clicking a camera module icon on the electronic device, the first configuration operation may be a preparation work in a conventional camera start process, the second configuration operation may be an operation of setting a camera chip, and starting the camera module may be an operation of acquiring and transmitting image data in the conventional camera start process, processing and displaying the image data;
the first processor is an application processor AP of the electronic equipment, and the second processor is a coprocessor of the electronic equipment; or, the first processor is a coprocessor of the electronic device, and the second processor is an application processor AP of the electronic device.
The receiving unit and the starting unit are arranged in the application processor AP.
Specifically, the first processor is specifically configured to configure a format of a stored image and a processing parameter of the image signal processing module; and further, the method is also used for allocating the physical memory.
The second processor is specifically configured to configure camera register parameters of the camera module, corresponding to an electronic device having only one camera.
The second processor is specifically configured to read an identity of a default camera chip in the camera module, and configure a corresponding camera register parameter according to the identity of the default camera chip, corresponding to the electronic device with two cameras.
Further, before the second processor configures the corresponding camera register parameter according to the identity of the default camera chip, the second processor is further configured to verify whether the identity of the default camera chip is correct; and when the verification result indicates that the camera register parameters are correct, executing the operation of configuring the corresponding camera register parameters by using the second processor according to the identity of the default camera chip.
Furthermore, the first processor is further configured to generate a reading instruction according to the start instruction before the second processor reads the identifier of the default camera chip in the camera module; the second processor is specifically configured to read the identity of the default camera chip in the camera module according to the read instruction.
The implementation embodiments of the camera module starting method of the electronic device are all applicable to the embodiment of the electronic device, and the same technical effect can be achieved.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (12)
1. A camera module starting method of an electronic device, comprising:
receiving a start instruction for the camera module;
executing a first configuration operation of image signal processing according to the starting instruction by using a first processor, and executing a second configuration operation of the camera module according to the starting instruction by using a second processor, wherein the first processor comprises a physical memory for storing images and an image signal processing module for executing image signal processing;
after the first configuration operation and the second configuration operation are executed, starting the camera module;
wherein, corresponding to the electronic device with only one camera, the step of executing the second configuration operation of the camera module by using the second processor according to the starting instruction comprises:
configuring, with a second processor, camera register parameters of the camera module;
the step of executing the second configuration operation of the camera module according to the starting instruction by using the second processor comprises the following steps:
reading, by a second processor, an identity of a default camera chip in the camera module;
configuring corresponding camera register parameters by using the second processor according to the identity of the default camera chip;
the default camera chip is the last used camera chip.
2. A camera module startup method according to claim 1, wherein the step of performing, with the first processor, a first configuration operation of image signal processing according to the startup instruction comprises:
configuring, with the first processor, a format of a stored image and a processing parameter of the image signal processing module.
3. A camera module startup method according to claim 2, wherein the step of performing, with the first processor, a first configuration operation of image signal processing according to the startup instruction further comprises:
allocating the physical memory with the first processor.
4. A camera module booting method according to claim 1, wherein corresponding to an electronic device having dual cameras, before the configuring, with the second processor, corresponding camera register parameters according to the identity of the default camera chip, the camera module booting method further comprises:
verifying whether the identity of the default camera chip is correct by using the second processor;
and when the verification result indicates that the camera register parameters are correct, the step of configuring the corresponding camera register parameters by using the second processor according to the identity of the default camera chip is executed.
5. A camera module booting method as claimed in claim 1, characterized in that, corresponding to an electronic device with dual cameras, before the reading of the identity of the default camera chip in the camera module with the second processor, the camera module booting method further comprises:
generating a reading instruction by utilizing the first processor according to the starting instruction;
the step of reading the identity of the default camera chip in the camera module by using the second processor specifically comprises:
and reading the identity of the default camera chip in the camera module by using a second processor according to the reading instruction.
6. An electronic device comprising a camera module, further comprising:
a receiving unit configured to receive a start instruction for the camera module;
the first processor is used for executing a first configuration operation of image signal processing according to the starting instruction;
a second processor for executing a second configuration operation of the camera module according to the start instruction;
the starting unit is used for starting the camera module after the first configuration operation and the second configuration operation are executed;
the first processor comprises a physical memory for storing images and an image signal processing module for executing image signal processing;
the second processor is specifically used for configuring camera register parameters of the camera module corresponding to the electronic equipment with only one camera;
the second processor is specifically configured to read an identity of a default camera chip in the camera module, and configure a corresponding camera register parameter according to the identity of the default camera chip, corresponding to the electronic device with two cameras;
the default camera chip is the last used camera chip.
7. The electronic device of claim 6, wherein the first processor is an application processor of the electronic device and the second processor is a co-processor of the electronic device; or,
the first processor is a coprocessor of the electronic equipment, and the second processor is an application processor of the electronic equipment.
8. The electronic device of claim 7, wherein the receiving unit and the initiating unit are disposed in the application processor.
9. The electronic device of claim 6, wherein the first processor is specifically configured to configure a format of a stored image and processing parameters of the image signal processing module.
10. The electronic device of claim 9, wherein the first processor is further to allocate the physical memory.
11. The electronic device of claim 6, wherein the second processor is further configured to verify whether the identity of the default camera chip is correct before performing the configuring of the corresponding camera register parameters according to the identity of the default camera chip, corresponding to an electronic device with dual cameras; and when the verification result indicates that the camera register parameters are correct, executing the operation of configuring the corresponding camera register parameters by using the second processor according to the identity of the default camera chip.
12. The electronic device of claim 6, wherein the first processor is further configured to generate a read command according to the start command before the second processor reads the identity of the default camera chip in the camera module, corresponding to the electronic device with dual cameras;
the second processor is specifically configured to read the identity of the default camera chip in the camera module according to the read instruction.
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| CN114827453B (en) * | 2022-03-08 | 2023-12-29 | 珠海亿智电子科技有限公司 | Starting device and method |
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| CN103067574A (en) * | 2012-12-18 | 2013-04-24 | 广东欧珀移动通信有限公司 | Starting method for mobile terminal camera |
| CN103916498A (en) * | 2014-03-28 | 2014-07-09 | 宁波萨瑞通讯有限公司 | Serial port camera and parallel port camera compatible method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103067574A (en) * | 2012-12-18 | 2013-04-24 | 广东欧珀移动通信有限公司 | Starting method for mobile terminal camera |
| CN103916498A (en) * | 2014-03-28 | 2014-07-09 | 宁波萨瑞通讯有限公司 | Serial port camera and parallel port camera compatible method |
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