CN112650462B - Image processing method and device, electronic device and storage medium - Google Patents
Image processing method and device, electronic device and storage medium Download PDFInfo
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- CN112650462B CN112650462B CN202011594706.7A CN202011594706A CN112650462B CN 112650462 B CN112650462 B CN 112650462B CN 202011594706 A CN202011594706 A CN 202011594706A CN 112650462 B CN112650462 B CN 112650462B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
- G06F3/1431—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display using a single graphics controller
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3265—Power saving in display device
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
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Abstract
The embodiment of the application provides an image processing method and device, electronic equipment and a storage medium, relates to the technical field of display, and can realize independent display of two display panels in a scene with a single display chip, so that the cost is reduced. A display processing method, comprising: distributing corresponding memory space according to the superposed display resolution ratio of the first display panel and the second display panel when the first display panel and the second display panel are arranged side by side in the first direction; writing first image data in a first memory space, and writing second image data in a second memory space; performing image processing on data in a first memory space to obtain first data, shifting the first image data in a second memory space in a first direction, and performing image processing on the shifted data in the second memory space to obtain second data; and sending the data to be displayed to the switching device, wherein the data to be displayed comprises first data and second data.
Description
Technical Field
The present disclosure relates to the field of display technologies, and in particular, to an image processing method and apparatus, an electronic device, and a storage medium.
Background
At present, electronic equipment such as a mobile phone only has one display chip, but with the increase of application scenes, scenes that the electronic equipment needs to display different contents on two screens appear, at the moment, one display chip originally cannot meet the requirements, and at the moment, two independent display chips are needed to be used for respectively drawing and generating data for the two screens. However, this requires two display chips on a System on a Chip (SOC) Chip, which increases the design complexity of the SOC Chip and thus increases the cost.
Disclosure of Invention
The technical scheme of the application provides an image processing method and device, electronic equipment and a storage medium, which can realize independent display of two display panels in a scene with a single display chip and reduce cost.
In a first aspect, a display processing method is provided for a first display panel and a second display panel, where the display resolution of the first display panel is a × b, the display resolution of the second display panel is c × b, a and c are the number of pixels in a first direction, and b is the number of pixels in a second direction, the display processing method including:
acquiring the display resolution of the first display panel and the display resolution of the second display panel;
distributing corresponding memory spaces according to the superposed display resolution of the first display panel and the second display panel when the first display panel and the second display panel are arranged side by side in a first direction, wherein the first display panel corresponds to a first memory space, the second display panel corresponds to a second memory space, the first memory space corresponds to (a + c) xb resolution, and the second memory space corresponds to (a + c) xb resolution;
writing first image data in the first memory space, writing second image data in the second memory space, wherein the first image data occupies memory space with a resolution of a multiplied by b, and the second image data occupies memory space with a resolution of c multiplied by d;
performing image processing on the data in the first memory space to obtain first data, shifting the first image data in the second memory space in the first direction, and performing image processing on the shifted data in the second memory space to obtain second data;
and sending data to be displayed to a switching device, wherein the data to be displayed comprises the first data and the second data.
In one possible embodiment, a = b.
In a second aspect, there is provided an image processing apparatus comprising:
a processor and a memory for storing at least one instruction which is loaded and executed by the processor to implement the image processing method of the first aspect.
In a third aspect, an electronic device is provided, including:
the display device comprises a first display panel and a second display panel, wherein the display resolution of the first display panel is a multiplied by b, the display resolution of the second display panel is c multiplied by b, a and c are the number of pixels in a first direction, and b is the number of pixels in a second direction;
the image processing apparatus of the second aspect;
the switching device is used for receiving the data to be displayed sent by the image processing device, expanding the data to be displayed into a first display signal corresponding to the first display panel and a second display signal corresponding to the second display panel, sending the first display signal to the first display panel and sending the second display signal to the second display panel.
In one possible embodiment, a = b.
In one possible implementation, the first display signal and the second display signal are two mobile industry processor interface-display serial interface MIPI-DSI signals.
In a fourth aspect, there is provided an image processing method for a first display panel and a second display panel, the first display panel having a display resolution a × b, the second display panel having a display resolution c × b, a and c being the number of pixels in a first direction, and b being the number of pixels in a second direction, the method comprising:
the image processing device acquires the display resolution of the first display panel and the display resolution of the second display panel;
the image processing device allocates corresponding memory spaces according to the superposed display resolutions of the first display panel and the second display panel when the first display panel and the second display panel are arranged side by side in a first direction, wherein the first display panel corresponds to a first memory space, the second display panel corresponds to a second memory space, the first memory space corresponds to a (a + c) xb resolution, and the second memory space corresponds to a (a + c) xb resolution;
the image processing device writes first image data in the first memory space, and writes second image data in the second memory space, wherein the first image data occupies memory space with a resolution of a multiplied by b, and the second image data occupies memory space with a resolution of c multiplied by d;
the image processing device performs image processing on the data in the first memory space to obtain first data, shifts the first image data in the second memory space in the first direction, and performs image processing on the shifted data in the second memory space to obtain second data;
the image processing device sends data to be displayed to a switching device, wherein the data to be displayed comprises the first data and the second data;
the switching device receives the data to be displayed sent by the image processing device and expands the data to be displayed into a first display signal corresponding to the first display panel and a second display signal corresponding to the second display panel;
the switching device sends the first display signal to the first display panel and sends the second display signal to the second display panel.
In one possible embodiment, a = b.
In a fifth aspect, there is provided a computer-readable storage medium having stored therein a computer program which, when run on a computer, causes the computer to execute the image processing method of the first or fourth aspect.
In the image processing method and the device thereof, the electronic device and the storage medium in the embodiment of the application, memory spaces are allocated according to the display resolution when two display panels are stacked in parallel, image data drawn corresponding to a first display panel and a second display panel are respectively written into the memory spaces at different layers, the data in the first memory space is directly subjected to image processing, the data in the second memory space is subjected to image processing after being shifted, so that the obtained data can be expanded into two paths of signals through another switching device and respectively transmitted to the two display panels for display, and before the switching device processes the data, the data can be processed through a single display chip in an SOC chip, namely the SOC chip does not need to be modified, and the display of different contents of double screens can be realized through the single display chip; because only a single display chip is arranged in the SOC chip, the cost and the power consumption can be reduced; the code logic design is simple, only the drive of the display chip needs to be changed, the universality is high, and the code logic design can be realized on some old electronic equipment only by updating the drive.
Drawings
Fig. 1 is a block diagram of an electronic device according to an embodiment of the present application;
FIG. 2 is a schematic flow chart illustrating a display processing method according to an embodiment of the present application;
FIG. 3 is a diagram illustrating a data structure of a first memory space according to an embodiment of the present application;
FIG. 4 is a diagram illustrating a data structure of a second memory space according to an embodiment of the present application;
FIG. 5 is a diagram illustrating a data structure after the first image data in FIG. 4 is shifted;
fig. 6 is a schematic flow chart of another display processing method in the embodiment of the present application.
Detailed Description
The terminology used in the description of the embodiments section of the present application is for the purpose of describing particular embodiments of the present application only and is not intended to be limiting of the present application.
As shown in fig. 1, an electronic device according to an embodiment of the present application includes an image processing apparatus 1, a switching apparatus 2, a first display panel 31, and a second display panel 32, where the first display panel 31 and the second display panel 32 are used for displaying different images, and a specific display driving process will be described in the following embodiments.
As shown in fig. 1 and fig. 2, an embodiment of the present application provides a display processing method for a first display panel 31 and a second display panel 32, where a display resolution of the first display panel 31 is a × b, a display resolution of the second display panel 32 is c × b, a and c are the number of pixels in a first direction, and b is the number of pixels in a second direction, and a main implementation of the display processing method is the image processing apparatus 1 in fig. 1, and the display processing method includes:
102, allocating a corresponding memory space according to a superimposed display resolution when a first display panel 31 and a second display panel 32 are arranged side by side in a first direction, where the first display panel 31 corresponds to a first memory space, the second display panel 32 corresponds to a second memory space, the first memory space corresponds to a (a + c) xb resolution, and the second memory space corresponds to a (a + c) xb resolution, for example, as shown in fig. 3 and 4, an application layer drawing module allocates memory spaces for the first display panel 31 and the second display panel 32, respectively, where when an image of a display panel is displayed by multi-layer synthesis, it is assumed that n layers are provided, where the first n/2 layers belong to the first memory space, and the last n/2 layers belong to the second memory space, that is, the first memory space and the second memory space belong to different layers, respectively;
specifically, the display chip performs image processing on the data in the first memory space shown in fig. 3 directly to obtain first data, as shown in fig. 4 and 5, the display chip performs offset on the first image data shown in fig. 4, starts offset from the memory start address, and obtains the data shown in fig. 5 after offset, and the display chip performs image processing on the data after offset in fig. 5 to obtain second data.
In the display processing method in the embodiment of the application, memory spaces are allocated according to display resolutions when two display panels are stacked in parallel, image data drawn by the corresponding first display panel and the corresponding second display panel are respectively written into the memory spaces at different layers, the data in the first memory space is directly subjected to image processing, the data in the second memory space is subjected to image processing after being shifted, the obtained data can be expanded into two paths of signals through another switching device and respectively transmitted to the two display panels for display, before the switching device processes the data, the data can be processed through a single display chip in an SOC chip, namely the SOC chip is not required to be modified, and the display of different contents of double screens can be realized through the single display chip; because only a single display chip is arranged in the SOC chip, the cost and the power consumption can be reduced; the code logic design is simple, only the drive of the display chip needs to be changed, the universality is high, and the code logic design can be realized on some old electronic equipment only by updating the drive.
In one possible embodiment, a = b.
An embodiment of the present application further provides an image processing apparatus, including: a processor and a memory for storing at least one instruction which is loaded and executed by the processor to implement the image processing method described above. The image processing apparatus may be, for example, an SOC chip in an electronic device. The specific process and principle of the image processing method are the same as those of the above embodiments, and are not described herein again.
The number of the processors may be one or more, and the processors and the memories may be connected by a bus or other means. The memory, which is a non-transitory computer readable storage medium, may be used to store non-transitory software programs, non-transitory computer executable programs, and modules, and the processor executes the non-transitory software programs, instructions, and modules stored in the memory to thereby execute various functional applications and data processing, i.e., to implement the methods in any of the method embodiments described above. The memory may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; and necessary data, etc. Further, the memory may include high speed random access memory, and may also include non-transitory memory, such as at least one disk storage device, flash memory device, or other non-transitory solid state storage device.
As shown in fig. 1, an embodiment of the present application further provides an electronic device, including: a first display panel 31 and a second display panel 32, the first display panel 31 having a display resolution of a × b, the second display panel 32 having a display resolution of c × b, a and c being the number of pixels in a first direction, b being the number of pixels in a second direction; an image processing apparatus 1; the switching device 2 is configured to receive data to be displayed sent by the image processing device 1, expand the data to be displayed into a first display signal corresponding to the first display panel 31 and a second display signal corresponding to the second display panel 32, send the first display signal to the first display panel 31, and send the second display signal to the second display panel 32.
The specific working process and principle of the image processing apparatus 1 are the same as those of the above embodiments, and are not described herein again. The electronic device may be any product or component with a display function, such as a display, a mobile phone, a television, a tablet computer, a navigator, a watch, a bracelet, and the like.
In one possible embodiment, a = b.
In one possible implementation, the first Display signal and the second Display signal are two Mobile Industry Processor Interface (MIPI) -Display Serial Interface (DSI) signals.
As shown in fig. 6, an embodiment of the present application further provides an image processing method for a first display panel 31 and a second display panel 32, where a display resolution of the first display panel 31 is a × b, a display resolution of the second display panel 32 is c × b, a and c are the number of pixels in a first direction, and b is the number of pixels in a second direction, and the execution subject of the method is an electronic device, and the display processing method includes:
Specifically, the specific processes of steps 201 to 205 are the same as those of steps 101 to 105, and are not described herein again. The first Display panel 31 and the second Display panel 32 may be, for example, liquid Crystal Display (LCD) panels.
In one possible embodiment, a = b.
Embodiments of the present application further provide a computer-readable storage medium, in which a computer program is stored, and when the computer program runs on a computer, the computer is caused to execute the image processing method in any of the above embodiments.
In the above embodiments, all or part of the implementation may be realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the processes or functions described in the present application are generated in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by wire (e.g., coaxial cable, fiber optic, digital subscriber line) or wirelessly (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., solid State Disk), among others.
In the embodiments of the present application, "at least one" means one or more, and "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, and indicates that three relationships may exist, for example, a and/or B, and may indicate that a exists alone, a and B exist simultaneously, and B exists alone. Wherein A and B can be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" and similar expressions refer to any combination of these items, including any combination of singular or plural items. For example, at least one of a, b, and c may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or multiple.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. An image processing method for a first display panel having a display resolution of a × b and a second display panel having a display resolution of c × b, a and c being the number of pixels in a first direction and b being the number of pixels in a second direction, the image processing method comprising:
acquiring the display resolution of the first display panel and the display resolution of the second display panel;
distributing corresponding memory spaces according to the superposed display resolutions of the first display panel and the second display panel when the first display panel and the second display panel are arranged side by side in a first direction, wherein the first display panel corresponds to a first memory space, the second display panel corresponds to a second memory space, the first memory space corresponds to a (a + c) xb resolution, and the second memory space corresponds to a (a + c) xb resolution;
writing first image data in the first memory space, writing second image data in the second memory space, wherein the first image data occupies a memory space with a resolution of a multiplied by b, and the second image data occupies a memory space with a resolution of c multiplied by b;
performing image processing on the data in the first memory space to obtain first data, shifting the first image data in the second memory space in the first direction, and performing image processing on the shifted data in the second memory space to obtain second data;
and sending data to be displayed to a switching device, wherein the data to be displayed comprises the first data and the second data.
2. The image processing method according to claim 1,
a＝b。
3. an image processing apparatus characterized by comprising:
a processor and a memory for storing at least one instruction which is loaded by the processor and executed to implement the image processing method of claim 1 or 2.
4. An electronic device, comprising:
the display device comprises a first display panel and a second display panel, wherein the display resolution of the first display panel is a multiplied by b, the display resolution of the second display panel is c multiplied by b, a and c are the number of pixels in a first direction, and b is the number of pixels in a second direction;
an image processing apparatus according to claim 3;
the switching device is used for receiving the data to be displayed sent by the image processing device, expanding the data to be displayed into a first display signal corresponding to the first display panel and a second display signal corresponding to the second display panel, sending the first display signal to the first display panel and sending the second display signal to the second display panel.
5. The electronic device of claim 4,
a＝b。
6. the electronic device of claim 4,
the first display signal and the second display signal are two paths of mobile industry processor interface-display serial interface MIPI-DSI signals.
7. An image processing method for a first display panel having a display resolution of a × b and a second display panel having a display resolution of c × b, a and c being the number of pixels in a first direction and b being the number of pixels in a second direction, the image processing method comprising:
the image processing device acquires the display resolution of the first display panel and the display resolution of the second display panel;
the image processing device allocates corresponding memory spaces according to the superposed display resolution of the first display panel and the second display panel when the first display panel and the second display panel are arranged side by side in a first direction, wherein the first display panel corresponds to a first memory space, the second display panel corresponds to a second memory space, the first memory space corresponds to (a + c) xb resolution, and the second memory space corresponds to (a + c) xb resolution;
the image processing device writes first image data in the first memory space, and writes second image data in the second memory space, wherein the first image data occupies memory space with a resolution of a multiplied by b, and the second image data occupies memory space with a resolution of c multiplied by b;
the image processing device performs image processing on the data in the first memory space to obtain first data, shifts the first image data in the second memory space in the first direction, and performs image processing on the shifted data in the second memory space to obtain second data;
the image processing device sends data to be displayed to a switching device, wherein the data to be displayed comprises the first data and the second data;
the switching device receives the data to be displayed sent by the image processing device and expands the data to be displayed into a first display signal corresponding to the first display panel and a second display signal corresponding to the second display panel;
the switching device sends the first display signal to the first display panel and sends the second display signal to the second display panel.
8. The image processing method according to claim 7,
a＝b。
9. a computer-readable storage medium, in which a computer program is stored which, when run on a computer, causes the computer to perform the image processing method according to any one of claims 1, 2, 7 and 8.
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| KR102408876B1 (en) * | 2015-07-31 | 2022-06-15 | 삼성전자주식회사 | Method and apparatus for displaying in an electronic device |
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