CN111124577B - Screen display control method and electronic equipment - Google Patents
Screen display control method and electronic equipment Download PDFInfo
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- CN111124577B CN111124577B CN201911338400.2A CN201911338400A CN111124577B CN 111124577 B CN111124577 B CN 111124577B CN 201911338400 A CN201911338400 A CN 201911338400A CN 111124577 B CN111124577 B CN 111124577B
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
Abstract
The invention relates to the field of image display, and discloses a screen display control method and electronic equipment, which comprise the following steps: determining a cache adjusting parameter according to the detected display window adjusting instruction, and acquiring a cache frame from the input image signal; determining a first cache identifier corresponding to a cache frame in a frame cache module, and determining a second cache identifier corresponding to the first cache identifier in a parameter cache module; when the cache frame is stored in a cache region corresponding to the first cache identifier in the frame cache module, the cache adjustment parameter is stored in a cache region corresponding to the second cache identifier in the parameter cache module, the cache frame to be output is read from the frame cache module, and the cache adjustment parameter to be output corresponding to the cache frame to be output is read from the parameter cache module; and outputting the buffer frame to be output based on the buffer adjustment parameter to be output through a screen of the electronic equipment. The invention has the beneficial effects that: the fluency of adjusting the display window of the screen output is improved.
Description
Technical Field
The present invention relates to the field of image display, and in particular, to a method for controlling screen display and an electronic device.
Background
At present, a plurality of screens with smaller areas can be spliced to form a screen with larger area, and in order to output and display one or more display windows with any size on the screen with larger area, the screen with smaller area needs to perform corresponding processing on an input image signal. When the output display window is adjusted, the screen can adjust the image to be output and displayed and the configuration parameters corresponding to the image in real time, so that the content and the size of the display window output on the screen are changed.
However, in practice, it is found that when the output display window is adjusted, a plurality of frames of images pre-buffered in the frame rate conversion module of the screen can buffer the adjusted image after the display window is adjusted after being read out, and the configuration parameters are changed immediately, so that, in order to avoid the phenomenon that the screen is blurred due to the mismatch between the output image and the configuration parameters, the read pointer of the frame rate conversion module is usually frozen, so that the read frame read out from the frame rate conversion module by the read pointer is not changed, but the image displayed by the screen output is static due to the frozen read pointer, and the adjustment of the display window output by the screen is not smooth enough.
Disclosure of Invention
The invention aims to overcome the problem that the adjustment of the display window for screen output in the prior art is not smooth enough, and provides a control method for screen display and an electronic device, which are used for improving the smoothness of the adjustment of the display window for screen output.
The technical scheme adopted by the invention is that a control method for screen display is disclosed, the method is applied to electronic equipment, the electronic equipment comprises a parameter cache module and a frame cache module, and the method comprises the following steps:
when an input display window adjusting instruction is detected, determining a cache adjusting parameter according to the display window adjusting instruction, and acquiring a cache frame from an input image signal;
determining a first cache identifier corresponding to the cache frame in the frame cache module, and determining a second cache identifier corresponding to the first cache identifier in the parameter cache module;
when the cache frame is stored in a cache region corresponding to the first cache identifier in the frame cache module, storing the cache adjustment parameter in a cache region corresponding to the second cache identifier in the parameter cache module, reading a cache frame to be output from the frame cache module, and reading a cache adjustment parameter to be output corresponding to the cache frame to be output from the parameter cache module;
outputting the buffer frame to be output based on the buffer adjustment parameter to be output through a screen of the electronic device.
The method can acquire the cache adjustment parameters which are determined according to the input display window adjustment instruction and aim at the cache frame corresponding to the display window, and can store the cache frame to the frame cache module and the cache adjustment parameters to the parameter cache module, and the cache region of the frame cache module for storing the cache frame corresponds to the cache region of the parameter cache module for storing the cache adjustment parameters, so that the cache frame to be output read from the frame cache module corresponds to the cache adjustment parameters to be output read from the parameter cache module, and the screen of the electronic equipment can continuously output the cache frame without the phenomenon of screen splash.
The invention also discloses an electronic device, which comprises a parameter cache module and a frame cache module, and the electronic device further comprises:
the device comprises an acquisition unit, a display unit and a processing unit, wherein the acquisition unit is used for determining cache adjusting parameters according to an input display window adjusting instruction when the input display window adjusting instruction is detected, and acquiring a cache frame from an input image signal;
a determining unit, configured to determine a first cache identifier corresponding to the cache frame in the frame cache module, and determine a second cache identifier corresponding to the first cache identifier in the parameter cache module;
a storage unit, configured to store the cache adjustment parameter to a cache region corresponding to the second cache identifier in the parameter cache module, read a to-be-output cache frame from the frame cache module, and read a to-be-output cache adjustment parameter corresponding to the to-be-output cache frame from the parameter cache module when the cache frame is stored to the cache region corresponding to the first cache identifier in the frame cache module;
and the output unit is used for outputting the buffer frame to be output based on the buffer adjustment parameter to be output through a screen of the electronic equipment.
The electronic equipment can obtain the cache adjustment parameters which are determined according to the input display window adjustment instruction and aim at the cache frame corresponding to the display window, can store the cache frame to the frame cache module and can store the cache adjustment parameters to the parameter cache module, and the cache region of the frame cache module for storing the cache frame corresponds to the cache region of the parameter cache module for storing the cache adjustment parameters, so that the cache frame to be output read from the frame cache module corresponds to the cache adjustment parameters to be output read from the parameter cache module, and the screen of the electronic equipment can continuously output the cache frame without the phenomenon of screen splash.
Compared with the prior art, the invention has the beneficial effects that: the fluency of adjusting the display window of the screen output is improved.
Drawings
Fig. 1 is a flowchart illustrating a method for controlling screen display according to an embodiment of the present invention.
Fig. 2 is a flowchart illustrating another screen display control method according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a framework of an image processing channel according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of another electronic device disclosed in the embodiment of the present invention.
Fig. 6 is a schematic structural diagram of another electronic device disclosed in the embodiment of the present invention.
Detailed Description
The drawings are only for purposes of illustration and are not to be construed as limiting the invention. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in fig. 1, a method for controlling screen display according to an embodiment of the present invention may include the following steps:
101. when the input display window adjusting instruction is detected, the electronic equipment determines a cache adjusting parameter according to the display window adjusting instruction, and acquires a cache frame from the input image signal.
In the embodiment of the present invention, the electronic device may include a parameter buffering module and a frame buffering module. The frame buffer module may be a Register (Register), and may store a plurality of buffer frames through the Register. The electronic device may be a device including a display screen, a display, or a screen, and the electronic device may be joined with one or more other electronic devices to form a screen having a larger area. When a plurality of electronic devices are spliced to construct a screen with a larger area, one or more display windows can be output through the screen, and therefore, images which need to be output by each electronic device and adjustment parameters corresponding to the output images can be determined according to the output mode of the one or more display windows, the images which need to be output by the screen of each electronic device can be transmitted to the electronic device in an image signal mode, and the adjustment parameters corresponding to the images can be input to the electronic device in a mode of inputting display window adjustment instructions.
In the embodiment of the present invention, a user of the electronic device may adjust a display window output on a screen of the electronic device, and the manner of adjusting the display window may be to move a display position of the display window on the screen, adjust a window area of the display window, control full-screen display of the display window, or control minimized display of the display window, and the like. The electronic equipment can detect an adjusting instruction aiming at the display window input by a user, and then determines the adjusting instruction of the display window of the electronic equipment according to the adjusting instruction, so that the electronic equipment adjusts the cache frame in the image signal according to the adjusting instruction of the display window.
102. The electronic equipment determines a first cache identifier corresponding to the cache frame in the frame cache module, and determines a second cache identifier corresponding to the first cache identifier in the parameter cache module.
In the embodiment of the present invention, the frame buffer module may have a plurality of buffer areas, the frame buffer module may be configured to buffer a buffer frame obtained from an image signal, the parameter buffer module may also have a plurality of buffer areas, and the parameter buffer module may be configured to buffer a buffer adjustment parameter obtained from a display window adjustment instruction, and the number of the buffer areas in the frame buffer module needs to be the same as the number of the buffer areas in the parameter buffer module, at this time, the buffer identifiers of the buffer areas in the frame buffer module can only correspond to the buffer identifiers of the buffer areas in the parameter buffer module one by one, and the electronic device may store the corresponding relationship between the buffer identifiers of the buffer areas in the frame buffer module and the buffer identifiers of the buffer areas in the parameter buffer module, so that the electronic device may determine the buffer identifiers of the corresponding buffer areas in the parameter buffer module according to the buffer identifiers of any one buffer area in the frame buffer module, the buffer identifier of the buffer area in the corresponding frame buffer module can also be determined according to the buffer identifier of the buffer area in any parameter buffer module.
103. When the cache frame is stored in the cache region corresponding to the first cache identifier in the frame cache module, the electronic device stores the cache adjustment parameter in the cache region corresponding to the second cache identifier in the parameter cache module, reads the cache frame to be output from the frame cache module, and reads the cache adjustment parameter to be output corresponding to the cache frame to be output from the parameter cache module.
In the embodiment of the present invention, the electronic device may store the buffer frame in the frame buffer module at the same time in the buffer area corresponding to the first buffer identifier, and store the buffer adjustment parameter in the parameter buffer module in the buffer area corresponding to the second buffer identifier, so as to avoid a situation that the buffer area of the second buffer identifier corresponding to the first buffer identifier is pre-stored by other data, and also avoid a situation that the buffer area of the first buffer identifier corresponding to the second buffer identifier is pre-stored by other data. Under the condition of storing the buffer frame and the buffer adjustment parameter, the electronic device may also read the buffer frame to be output from the buffer area corresponding to the third buffer identifier in the frame buffer module at the same time, and read the buffer adjustment parameter to be output from the buffer area corresponding to the fourth buffer identifier in the parameter buffer module.
104. And the electronic equipment outputs the buffer frame to be output based on the buffer adjustment parameter to be output through a screen of the electronic equipment.
In the embodiment of the invention, the read buffer adjustment parameter to be output and the buffer frame to be output are corresponding data, so that the electronic equipment can adjust the buffer frame to be output through the buffer adjustment parameter to be output, thereby obtaining the target buffer frame which needs to be output and displayed on the screen of the electronic equipment, and further ensuring the stability of the image corresponding to the display window output by the screen of the electronic equipment.
In the method described in fig. 1, the fluency of the display window adjustment for screen output can be improved. In addition, the method described in fig. 1 is implemented, so that the stability of the image corresponding to the display window output by the screen of the electronic device is ensured.
Example 2
As shown in fig. 2, another method for controlling screen display disclosed in the embodiment of the present invention may include the following steps:
201. when the input display window adjusting instruction is detected, the electronic equipment determines a cache adjusting parameter according to the display window adjusting instruction, and acquires a cache frame from the input image signal.
In the embodiment of the present invention, the electronic device may include a parameter caching module and a frame caching module, and may further include a frame rate conversion module and a parameter control module.
As an alternative implementation, when detecting an input display window adjustment instruction, the electronic device may determine a buffer adjustment parameter according to the display window adjustment instruction, and obtain a buffer frame from the input image signal, where the method includes the following steps:
when an input display window adjusting instruction is detected, the electronic equipment determines a cache adjusting parameter according to the display window adjusting instruction, and acquires an initial frame from an input image signal;
the electronic equipment acquires a shearing parameter and a shrinking parameter;
the electronic equipment adjusts the initial frame based on the shearing parameter and the shrinking parameter to obtain a cache frame.
By implementing the implementation mode, the initial frame needing to be cached can be acquired from the input image signal, and the initial frame can be adjusted through the shearing parameter and the reducing parameter, so that the adjusted cached frame can be rapidly stored in the frame caching module.
In the embodiment of the present invention, in order to quickly store the buffer frame of the image corresponding to the display window into the frame buffer module, the initial frame included in the image signal may be processed in advance, for example, the initial frame may be cut and reduced to obtain the buffer frame, and it is seen that the obtained buffer frame occupies less memory in the frame buffer module compared to the initial frame, thereby improving the storage performance of the frame buffer module.
202. The electronic equipment determines a first cache identifier corresponding to the cache frame in the frame cache module, and determines a second cache identifier corresponding to the first cache identifier in the parameter cache module.
203. When the frame rate conversion module stores the cache frame into the cache region corresponding to the first cache identifier in the frame cache module, the electronic device control parameter control module stores the cache adjustment parameter into the cache region corresponding to the second cache identifier in the parameter cache module.
In the embodiment of the invention, the buffer areas in the parameter buffer module correspond to the buffer areas in the frame buffer module one by one, so that the buffer identifications of the buffer areas in the parameter buffer module correspond to the identifications of the buffer areas in the frame buffer module one by one, and further, when the buffer frames and the buffer adjustment parameters are stored and the buffer frames to be output and the buffer adjustment parameters to be output are read, the conditions that the buffer frames and the buffer adjustment parameters are not stored correspondingly and the buffer frames to be output and the buffer adjustment parameters to be output are not read correspondingly are avoided, and the accuracy of reading the buffer adjustment parameters to be output corresponding to the buffer frames to be output is improved.
204. The electronic equipment reads the buffer frame to be output from the frame buffer module through the frame rate conversion module, and determines a third buffer identifier of the buffer frame to be output in the frame buffer module.
In the embodiment of the present invention, the electronic device reads the to-be-output buffer frame from the frame buffer module and the buffer frame stored in the frame buffer module, which may be different buffer frames, so that the buffer identifier of the buffer area corresponding to the to-be-output buffer frame is different from the buffer identifier of the buffer area corresponding to the buffer frame, that is, the third buffer identifier and the first buffer identifier may be different buffer identifiers.
205. And the electronic equipment determines a fourth cache identifier corresponding to the third cache identifier in the parameter cache module through the parameter control module.
In the embodiment of the present invention, since the third cache identifier and the first cache identifier may be different cache identifiers, the fourth cache identifier corresponding to the third cache identifier may also be a cache identifier different from the second cache identifier.
206. And the electronic equipment reads the cache adjustment parameter to be output from the cache region corresponding to the parameter cache module and the fourth cache identifier through the parameter control module.
In the embodiment of the present invention, when the above steps 203 to 206 are implemented, the frame rate conversion module may obtain the first buffer identifier of the buffer area storing the buffer frame, and then a second cache identifier matching the first cache identifier can be determined by the parameter control module, the cache adjustment parameter may then be stored in the parameter cache module in a cache region matching the second cache identification, further, the buffer frame to be output can be read from the frame buffer module, and the buffer adjustment parameter to be output can be read from the parameter buffer module, the read buffer frame to be output and the buffer adjustment parameter to be output are correspondingly read, so that the buffer adjustment parameter to be output and the buffer frame to be output are also corresponding, the buffer frame to be output adjusted based on the buffer adjustment parameter to be output can not cause screen splash during output, and the stability of screen output display is improved.
207. And the electronic equipment outputs the buffer frame to be output based on the buffer adjustment parameter to be output through a screen of the electronic equipment.
As an optional implementation manner, the manner in which the electronic device outputs the to-be-output buffer frame based on the to-be-output buffer adjustment parameter through the screen of the electronic device may include the following steps:
the electronic equipment performs amplification operation on the cache frame to be output based on the cache adjustment parameter to be output to obtain a target cache frame;
the electronic device outputs the target buffer frame through a screen of the electronic device.
By implementing the implementation mode, the buffer frame to be output can be amplified based on the read buffer adjustment parameter to be output, so that the amplified target buffer frame is matched with the screen of the electronic device outputting the target buffer frame, and the adaptation degree of the target buffer frame output by the screen of the electronic device to the screen is higher.
Referring to fig. 3, fig. 3 is a schematic diagram of a framework of an image processing channel according to an embodiment of the present invention, where an electronic device may include a Field Programmable Gate Array (FPGA), a Micro Control Unit (MCU), and a frame buffer module, and the FPGA may include a frame rate conversion module, a parameter buffer module, a parameter control module, and the like, and the FPGA may further include a cropping module, a scaling module, and an enlarging module, and the like. The image signal can output a shearing module in the FPGA, meanwhile, the MCU can transmit shearing parameters to the shearing module, so that the shearing module can shear and adjust an initial frame acquired from the image signal based on the shearing parameters to obtain a shearing frame, and can transmit the shearing frame to the reduction module; the frame rate conversion module writes the buffer frame into the frame buffer module through the write pointer when receiving the buffer frame, and can obtain a first buffer identifier of a buffer area where the frame buffer module stores the buffer frame, and meanwhile, the MCU can transmit the buffer adjustment parameter to the parameter control module in the FPGA, and the parameter control module can determine a second buffer identifier corresponding to the first buffer identifier, and can write the buffer adjustment parameter into the buffer area corresponding to the second buffer identifier in the parameter buffer module through the write pointer. When an image corresponding to a target window needs to be output through a screen of the electronic device, the frame rate conversion module may read a buffer frame to be output from the frame buffer module through the read pointer, may determine a third buffer identifier of a buffer area stored in the frame buffer module for the buffer frame to be output, and may transmit the read buffer frame to be output to the amplification module, at the same time, the parameter control module may determine a fourth buffer identifier corresponding to the third buffer identifier, may read a buffer adjustment parameter to be output from a buffer area corresponding to the fourth buffer identifier in the parameter buffer module through the read pointer, and may transmit the buffer adjustment parameter to be output to the amplification module, and the amplification module may amplify and adjust the buffer frame to be output based on the buffer adjustment parameter to be output, thereby obtaining the target buffer frame, and may output an image signal including the target buffer frame, and outputting the image signal so that a screen of the electronic device outputs a target buffer frame according to the image signal.
In the method described in fig. 2, the fluency of the display window adjustment for screen output can be improved. In addition, the method described in fig. 2 is implemented, so that the adjusted buffered frame can be quickly stored in the frame buffer module. In addition, the method described in fig. 2 is implemented, so that the accuracy of reading the buffer adjustment parameter to be output corresponding to the buffer frame to be output is improved. In addition, the method described in fig. 2 is implemented, and the stability of screen output display is improved. In addition, the method described in fig. 2 is implemented, so that the target buffer frame output through the screen of the electronic device has a higher adaptation degree with the screen.
Example 3
As shown in fig. 4, an electronic device disclosed in an embodiment of the present invention may include:
an obtaining unit 401, configured to determine a buffer adjustment parameter according to the display window adjustment instruction when detecting the input display window adjustment instruction, and obtain a buffer frame from the input image signal.
In the embodiment of the present invention, the electronic device may include a parameter buffering module and a frame buffering module.
A determining unit 402, configured to determine a first buffer identifier corresponding to the buffer frame in the frame buffer module, which is obtained by the obtaining unit 401, and determine a second buffer identifier corresponding to the first buffer identifier in the parameter buffer module, which is determined by the obtaining unit 401.
A storing unit 403, configured to, when the buffer frame acquired by the acquiring unit 401 is stored in a buffer area corresponding to the first buffer identifier determined by the determining unit 402 in the frame buffer module, store the buffer adjustment parameter determined by the acquiring unit 401 in a buffer area corresponding to the second buffer identifier determined by the determining unit 402 in the parameter buffer module, read the buffer frame to be output from the frame buffer module, and read the buffer adjustment parameter to be output corresponding to the buffer frame to be output from the parameter buffer module.
An output unit 404, configured to output, through a screen of the electronic device, a to-be-output buffer frame based on the to-be-output buffer adjustment parameter read by the storage unit 403.
Therefore, the electronic device described in fig. 4 can improve the fluency of adjusting the display window for screen output. In addition, the electronic device described in fig. 4 is implemented, so that the stability of the image corresponding to the display window output by the screen of the electronic device is ensured.
Example 4
As shown in fig. 5, the storage unit 403 of another electronic device disclosed in the embodiment of the present invention may include:
the storage subunit 4031 is configured to, when the frame rate conversion module stores the buffer frame in the buffer area corresponding to the first buffer identifier in the frame buffer module, control the parameter control module to store the buffer adjustment parameter in the buffer area corresponding to the second buffer identifier in the parameter buffer module.
In the embodiment of the present invention, the electronic device may further include a frame rate conversion module and a parameter control module.
In the embodiment of the invention, the buffer areas in the parameter buffer module correspond to the buffer areas in the frame buffer module one by one, so that the buffer identifications of the buffer areas in the parameter buffer module correspond to the identifications of the buffer areas in the frame buffer module one by one, and further, when the buffer frames and the buffer adjustment parameters are stored and the buffer frames to be output and the buffer adjustment parameters to be output are read, the conditions that the buffer frames and the buffer adjustment parameters are not stored correspondingly and the buffer frames to be output and the buffer adjustment parameters to be output are not read correspondingly are avoided, and the accuracy of reading the buffer adjustment parameters to be output corresponding to the buffer frames to be output is improved.
The first reading subunit 4032 is configured to read the to-be-output buffer frame from the frame buffer module through the frame rate conversion module, and determine a third buffer identifier of the to-be-output buffer frame in the frame buffer module.
The determining subunit 4033 is configured to determine, by the parameter control module, a fourth cache identifier in the parameter cache module, where the fourth cache identifier corresponds to the third cache identifier determined by the first reading subunit 4032.
A second reading subunit 4034, configured to read, by the parameter control module, the to-be-output cache adjustment parameter from the cache area corresponding to the fourth cache identifier determined by the parameter cache module and the determining subunit 4033.
In the embodiment of the invention, a first cache identifier of a cache region for storing cache frames can be acquired through a frame rate conversion module, a second cache identifier matched with the first cache identifier can be determined through a parameter control module, cache adjustment parameters can be stored in the cache region matched with the second cache identifier in the parameter cache module, cache frames to be output can be read from the frame cache module, and cache adjustment parameters to be output can be read from the parameter cache module.
As an alternative implementation, the obtaining unit 401 of the electronic device shown in fig. 5 may include:
a first obtaining sub-unit 4011, configured to, when an input display window adjustment instruction is detected, determine a buffer adjustment parameter according to the display window adjustment instruction, and obtain an initial frame from an input image signal;
a second obtaining sub-unit 4012 configured to obtain a cropping parameter and a reduction parameter;
an adjusting sub-unit 4013, configured to adjust the initial frame acquired by the first acquiring sub-unit 4011 based on the cropping parameter and the scaling-down parameter acquired by the second acquiring sub-unit 4012, so as to obtain a buffer frame.
By implementing the implementation mode, the initial frame needing to be cached can be acquired from the input image signal, and the initial frame can be adjusted through the shearing parameter and the reducing parameter, so that the adjusted cached frame can be rapidly stored in the frame caching module.
As an alternative embodiment, the output unit 404 of the electronic device shown in fig. 5 may include:
the amplifying subunit 4041 is configured to perform an amplifying operation on the to-be-output cache frame based on the to-be-output cache adjustment parameter, so as to obtain a target cache frame;
an output sub-unit 4042, configured to output the target buffer frame obtained by the enlarging sub-unit 4041 through a screen of the electronic device.
By implementing the implementation mode, the buffer frame to be output can be amplified based on the read buffer adjustment parameter to be output, so that the amplified target buffer frame is matched with the screen of the electronic device outputting the target buffer frame, and the adaptation degree of the target buffer frame output by the screen of the electronic device to the screen is higher.
Therefore, the electronic device described in fig. 5 can improve the fluency of adjusting the display window for screen output. In addition, the electronic device described in fig. 5 may be implemented to enable the adjusted buffered frame to be stored in the frame buffer module quickly. In addition, the electronic device described in fig. 5 is implemented, so that the accuracy of reading the adjustment parameter of the buffer to be output corresponding to the buffer frame to be output is improved. In addition, the electronic device described in fig. 5 is implemented, so that the stability of screen output display is improved. In addition, the electronic device described in fig. 5 is implemented such that the target buffer frame output through the screen of the electronic device has a higher adaptation degree with the screen.
Example 5
Referring to fig. 6, fig. 6 is a schematic structural diagram of another electronic device according to an embodiment of the disclosure. As shown in fig. 6, the electronic device may include:
a memory 601 in which executable program code is stored;
a processor 602 coupled to a memory 601;
wherein, the processor 602 calls the executable program code stored in the memory 601 to execute part or all of the steps of the method in the above method embodiments.
The embodiment of the invention also discloses a computer readable storage medium, wherein the computer readable storage medium stores program codes, wherein the program codes comprise instructions for executing part or all of the steps of the method in the above method embodiments.
Embodiments of the present invention also disclose a computer program product, wherein, when the computer program product is run on a computer, the computer is caused to execute part or all of the steps of the method as in the above method embodiments.
The embodiment of the present invention also discloses an application publishing platform, wherein the application publishing platform is used for publishing a computer program product, and when the computer program product runs on a computer, the computer is caused to execute part or all of the steps of the method in the above method embodiments.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention claims should be included in the protection scope of the present invention claims.
Claims (6)
1. A control method of screen display is applied to an electronic device, and is characterized in that the electronic device comprises a parameter caching module, a frame rate conversion module and a parameter control module, and the method comprises the following steps:
when an input display window adjusting instruction is detected, determining a cache adjusting parameter according to the display window adjusting instruction, and acquiring a cache frame from an input image signal;
determining a first cache identifier corresponding to the cache frame in the frame cache module, and determining a second cache identifier corresponding to the first cache identifier in the parameter cache module;
when the buffer frame is stored in the buffer area corresponding to the first buffer identifier in the frame buffer module, the buffer adjustment parameter is stored in the buffer area corresponding to the second buffer identifier in the parameter buffer module, the buffer frame to be output is read from the frame buffer module, and the buffer adjustment parameter to be output corresponding to the buffer frame to be output is read from the parameter buffer module, which includes:
when the frame rate conversion module stores the cache frame into a cache region corresponding to the first cache identifier in the frame cache module, controlling the parameter control module to store the cache adjustment parameter into a cache region corresponding to the second cache identifier in the parameter cache module;
reading a to-be-output cache frame from the frame cache module through the frame rate conversion module, and determining a third cache identifier of the to-be-output cache frame in the frame cache module;
determining a fourth cache identifier corresponding to the third cache identifier in the parameter cache module through the parameter control module;
reading a cache adjustment parameter to be output from a cache region corresponding to the parameter cache module and the fourth cache identifier through the parameter control module;
the buffer areas in the parameter buffer module correspond to the buffer areas in the frame buffer module one by one;
outputting the buffer frame to be output based on the buffer adjustment parameter to be output through a screen of the electronic device.
2. The method according to claim 1, wherein when detecting an input display window adjustment instruction, determining a buffer adjustment parameter according to the display window adjustment instruction, and obtaining a buffer frame from an input image signal comprises:
when an input display window adjusting instruction is detected, determining a cache adjusting parameter according to the display window adjusting instruction, and acquiring an initial frame from an input image signal;
acquiring a shearing parameter and a shrinking parameter;
and adjusting the initial frame based on the shearing parameter and the shrinking parameter to obtain a cache frame.
3. The method according to claim 1 or 2, wherein outputting, by the screen of the electronic device, the to-be-output buffer frame based on the to-be-output buffer adjustment parameter includes:
amplifying the cache frame to be output based on the cache adjusting parameter to be output to obtain a target cache frame;
and outputting the target buffer frame through a screen of the electronic equipment.
4. An electronic device, comprising a parameter buffer module, a frame rate conversion module, and a parameter control module, the electronic device further comprising:
the device comprises an acquisition unit, a display unit and a processing unit, wherein the acquisition unit is used for determining cache adjusting parameters according to an input display window adjusting instruction when the input display window adjusting instruction is detected, and acquiring a cache frame from an input image signal;
a determining unit, configured to determine a first cache identifier corresponding to the cache frame in the frame cache module, and determine a second cache identifier corresponding to the first cache identifier in the parameter cache module;
a storage unit, configured to store the cache adjustment parameter to a cache region corresponding to the second cache identifier in the parameter cache module, read a to-be-output cache frame from the frame cache module, and read a to-be-output cache adjustment parameter corresponding to the to-be-output cache frame from the parameter cache module when the cache frame is stored to the cache region corresponding to the first cache identifier in the frame cache module;
the memory cell includes:
a storage subunit, configured to control the parameter control module to store the cache adjustment parameter to a cache area, corresponding to the second cache identifier, in the parameter cache module when the frame rate conversion module stores the cache frame to the cache area, corresponding to the first cache identifier, in the frame cache module;
the first reading subunit is configured to read, by the frame rate conversion module, a to-be-output cache frame from the frame cache module, and determine a third cache identifier of the to-be-output cache frame in the frame cache module;
the determining subunit is configured to determine, by the parameter control module, a fourth cache identifier corresponding to the third cache identifier in the parameter cache module;
the second reading subunit is configured to read, by the parameter control module, a to-be-output cache adjustment parameter from the cache region corresponding to the parameter cache module and the fourth cache identifier;
the buffer areas in the parameter buffer module correspond to the buffer areas in the frame buffer module one by one;
and the output unit is used for outputting the buffer frame to be output based on the buffer adjustment parameter to be output through a screen of the electronic equipment.
5. The electronic device according to claim 4, wherein the acquisition unit includes:
the first acquisition subunit is used for determining a cache adjustment parameter according to an input display window adjustment instruction when the input display window adjustment instruction is detected, and acquiring an initial frame from an input image signal;
a second obtaining subunit, configured to obtain a clipping parameter and a reduction parameter;
and the adjusting subunit is configured to adjust the initial frame based on the cropping parameter and the reduction parameter, so as to obtain a buffer frame.
6. The electronic device according to claim 4 or 5, wherein the output unit includes:
the amplifying subunit is configured to perform an amplifying operation on the to-be-output cache frame based on the to-be-output cache adjustment parameter to obtain a target cache frame;
and the output subunit is used for outputting the target cache frame through a screen of the electronic equipment.
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| CN113127079B (en) * | 2021-04-13 | 2023-01-10 | 山东英信计算机技术有限公司 | Method, system and medium for managing BMC |
| CN113438502B (en) * | 2021-05-27 | 2022-07-12 | 卡莱特云科技股份有限公司 | Video frame image transmission method, sending card and video frame image display system |
| CN116166367B (en) * | 2023-04-25 | 2023-07-04 | 麒麟软件有限公司 | Method for improving display frame buffer image reading efficiency |
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