CN116052585A - Method, device, system and storage medium for adjusting resolution of LED display screen - Google Patents
Method, device, system and storage medium for adjusting resolution of LED display screen Download PDFInfo
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- CN116052585A CN116052585A CN202310004730.8A CN202310004730A CN116052585A CN 116052585 A CN116052585 A CN 116052585A CN 202310004730 A CN202310004730 A CN 202310004730A CN 116052585 A CN116052585 A CN 116052585A
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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Abstract
The embodiment of the application provides a method, equipment, a system and a storage medium for adjusting resolution of an LED display screen, and relates to the technical field of display, wherein the scheme comprises the following steps: the first resolution in the display configuration information controlled for the control device is obtained from the input device via a communication connection with the input device. And under the condition that the control equipment can support the first resolution, determining a time sequence parameter supported by the display screen for the display screen according to the first resolution, wherein the time sequence parameter is used for controlling the display screen to display images, and the time sequence parameter at least comprises a second resolution which is determined by the first resolution and accords with the storage of the control equipment. And configuring time sequence parameters for the display screen. The technical problem that how to realize that the control equipment can automatically adjust the resolution of the LED display screen according to the first resolution configured for the display screen is solved.
Description
Technical Field
The application relates to the technical field of LED display, in particular to a method, equipment, a system and a storage medium for adjusting resolution of an LED display screen.
Background
For example, the control device of the multimedia playing box is an important content playing medium, and is widely applied to the fields of markets, education and the like where the LED display screen is required to be used. In the prior art, in order to meet the requirement of a user on the screen size of a display screen, a part of resolution list is preset in the device. However, the preset resolution often does not meet the requirement of the user on the size of the screen, so the multimedia playing box is required to support the function of automatically adjusting the resolution of the LED display screen.
Disclosure of Invention
The embodiment of the application provides a method, equipment, a system and a storage medium for adjusting the resolution of an LED display screen.
In a first aspect, an embodiment of the present application provides a method for adjusting resolution of an LED display screen, applied to a control device, where the method includes: the first resolution in the display configuration information controlled for the control device is obtained from the input device via a communication connection with the input device. And under the condition that the control equipment can support the first resolution, determining a time sequence parameter supported by the display screen for the display screen according to the first resolution, wherein the time sequence parameter is used for controlling the display screen to display images, and the time sequence parameter at least comprises a second resolution which is determined by the first resolution and accords with the storage of the control equipment. And configuring time sequence parameters for the display screen.
The embodiment of the application provides a method for adjusting the resolution of an LED display screen, because a control device obtains a first resolution configured for the display screen controlled by the control device from an input device through communication connection with the input device, the resolution configured for the display screen by a user through the input device can be determined, the control device also needs to determine that the control device can support the first resolution so as to ensure that the first resolution is within the processing capacity range of the control device, and under the condition that the control device is determined to support the first resolution, the timing sequence parameters supported by the display screen are determined for the display screen, and the timing sequence parameters are configured for the display screen.
In one possible implementation manner of the present application, after the timing parameters are configured to the display screen, the method provided in the embodiment of the present application further includes: and under the condition that the time sequence parameter is not compatible with the display screen, adopting a first algorithm to redetermine the first time sequence parameter for the display screen according to the second resolution, wherein the first time sequence parameter is used for controlling the display screen to display images and is different from the time sequence parameter in value. And configuring the first time sequence parameter to a display screen.
In one possible implementation of the present application, the timing parameters further include: the method for determining the vertical blanking supported by the display screen for the display screen according to the first resolution comprises the following steps: the second resolution is determined based on the first resolution. The clock frequency and the display frame rate are acquired and used for controlling the device to control the display screen to display images. The vertical blanking is determined based on the horizontal blanking, the clock frequency, the display frame rate, and the second resolution.
In one possible implementation manner of the present application, the determining the second resolution according to the first resolution includes: the first resolution includes a first horizontal resolution and a first vertical resolution, and the second resolution includes a second horizontal resolution and a second vertical resolution. In the case where the first horizontal resolution is capable of dividing the first value, which is a unit value used by the control apparatus to store data, the first horizontal resolution is taken as the horizontal resolution in the second resolution. In the case where the first vertical resolution can be divided by the first numerical value, the first vertical resolution is taken as the vertical resolution in the second resolution. In the case where the first horizontal resolution is not an integer multiple of the first value, the second horizontal resolution is regarded as the horizontal resolution in the second resolution, which is the smallest value among the values that are larger than the first horizontal resolution and are integer multiples of the first value. In the case where the first vertical resolution is not an integer multiple of the first value, the second vertical resolution is taken as the vertical resolution in the second resolution, which is the smallest value among the values that are larger than the first vertical resolution and are integer multiples of the first value.
In one possible implementation manner of the present application, the method provided by the embodiment of the present application further includes: and under the condition that the control equipment cannot support the first resolution, outputting first prompt information to the input equipment or a control software interface corresponding to the control equipment, wherein the first prompt information is used for prompting that the control equipment does not support the first resolution.
In one possible implementation manner of the present application, the number of pixels corresponding to the first resolution is within a range of the number of pixels that can be carried by the control device.
In a second aspect, embodiments of the present application provide an apparatus for automatically adjusting a resolution of an LED display screen, where the apparatus for automatically adjusting a resolution of an LED display screen may implement the method in the first aspect or any possible implementation manner of the first aspect, and thus may also implement the beneficial effect in the first aspect or any possible implementation manner of the first aspect. The means for automatically adjusting the resolution of the LED display screen may be the control device, or may be means for supporting the control device to implement the method of the first aspect or any possible implementation of the first aspect, e.g. applied to a chip or a control circuit in the control device. The device for automatically adjusting the resolution of the LED display screen can realize the method by software, hardware or executing corresponding software by hardware.
As an example, the embodiment of the present application provides an apparatus for automatically adjusting resolution of an LED display screen, where the apparatus for automatically adjusting resolution of an LED display screen is a control device or a chip applied in the control device, and the apparatus for automatically adjusting resolution of an LED display screen includes: and the acquisition unit is used for acquiring the first resolution in the display screen configuration information controlled by the control device from the input device through communication connection with the input device. And the processing unit is used for determining a time sequence parameter supported by the display screen for the display screen according to the first resolution under the condition that the control device can support the first resolution, wherein the time sequence parameter is used for controlling the display screen to display images, and at least comprises a second resolution which is determined by the first resolution and accords with the storage of the control device. And the configuration unit is used for configuring time sequence parameters for the display screen.
In one possible implementation of the present application, the processing unit is further configured to, in a case where it is determined that the timing parameter is not compatible with the display screen, re-determine, for the display screen, a first timing parameter according to the second resolution, where the first timing parameter is used to control the display screen to display an image and is different from the timing parameter in value.
In a possible implementation manner of the present application, the configuration unit is further configured to configure the first timing parameter for the display screen.
In one possible implementation manner of the present application, the processing unit is further configured to determine, according to the first resolution, the second resolution, obtain a clock frequency and a display frame rate, where the clock frequency and the display frame rate are used to control the control device to control the display screen to display an image, and determine vertical blanking according to the horizontal blanking, the clock frequency, the display frame rate, and the second resolution.
In a possible implementation of the present application, the processing unit is further configured to take the first horizontal resolution as the horizontal resolution in the second resolution if the first horizontal resolution is capable of dividing the first value; in the case where the first vertical resolution is capable of integer dividing the first value, the first vertical resolution is taken as the vertical resolution in the second resolution, in the case where the first horizontal resolution is not an integer multiple of the first value, the second horizontal resolution is taken as the horizontal resolution in the second resolution, which is the smallest value of the values that are larger than the first horizontal resolution and are integer multiples of the first value, and in the case where the first vertical resolution is not an integer multiple of the first value, the second vertical resolution is taken as the vertical resolution in the second resolution, which is the smallest value of the values that are larger than the first vertical resolution and are integer multiples of the first value.
In one possible implementation manner of the present application, an apparatus for automatically adjusting resolution of an LED display screen according to an embodiment of the present application further includes: the sending unit is used for outputting first prompt information to the input device or a control software interface corresponding to the control device under the condition that the control device cannot support the configured first resolution, wherein the first prompt information is used for prompting that the control device does not support the first resolution.
In a third aspect, embodiments of the present application provide a control device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the control device implementing a method of adjusting the resolution of an LED display screen as described in any one of the possible implementations of the first aspect to the first aspect when the computer program is executed by the processor.
In a fourth aspect, embodiments of the present application provide a computer-readable storage medium having stored therein a computer program or instructions which, when run on a computer, cause the computer to perform a method of adjusting the resolution of an LED display screen as described in any one of the possible implementations of the first aspect to the first aspect.
In a fifth aspect, embodiments of the present application provide a computer program product comprising instructions which, when run on a computer, cause the computer to perform a method of adjusting the resolution of an LED display screen as described in the first aspect or in various possible implementations of the first aspect.
In a sixth aspect, embodiments of the present application provide an apparatus for automatically adjusting resolution of an LED display screen for implementing various methods in the foregoing first aspect or various possible designs of any one of the first aspect. The means for automatically adjusting the resolution of the LED display screen may be the control device described above, or an apparatus comprising the control device described above, or a component (e.g. a chip) applied in the control device.
The device for automatically adjusting the resolution of the LED display screen described in the sixth aspect comprises a module, a unit and a module and a unit which are corresponding to the method, wherein the module and the unit can be realized by hardware, software or realized by executing corresponding software through hardware. The hardware or software includes one or more modules or units corresponding to the functions described above.
In a seventh aspect, embodiments of the present application provide an apparatus for automatically adjusting resolution of an LED display screen, where the apparatus for automatically adjusting resolution of an LED display screen includes: at least one processor. Wherein the processor executes computer-executable instructions or programs stored in the means for automatically adjusting LED display screen resolution when the means for automatically adjusting LED display screen resolution is operating, to cause the means for automatically adjusting LED display screen resolution to perform the method as in any of the various possible designs of the first aspect described above. For example, the means for automatically adjusting the resolution of the LED display screen may be the control device or a component applied in the control device.
It will be appreciated that the processor described in the seventh aspect may further include: a bus and a memory for storing code and data. Optionally, the at least one processor sense interface and the memory are coupled to each other.
In an eighth aspect, embodiments of the present application provide a chip comprising a processor for executing a computer program or instructions to implement the method of adjusting resolution of an LED display screen described in the first aspect or in various possible implementations of the first aspect.
In a ninth aspect, embodiments of the present application provide a system for automatically adjusting the resolution of an LED display screen, the system comprising a control device, an input device and a display screen, the control device being configured to perform a method for adjusting the resolution of an LED display screen as described in the first aspect or in various possible implementations of the first aspect.
Drawings
Fig. 1 is a system architecture diagram for automatically adjusting resolution of an LED display screen according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a control device according to an embodiment of the present application;
FIG. 3 is an interactive schematic diagram of a method for adjusting resolution of an LED display screen according to an embodiment of the present application;
Fig. 4 is a schematic structural diagram of a device for automatically adjusting resolution of an LED display screen according to an embodiment of the present application.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In order to illustrate the technical solutions described in the present application, the following description is made by specific examples.
The technical scheme provided by the application is mainly applied to control equipment (such as a multimedia playing box) for controlling a display screen to display images. Specifically, the control device receives image data (for example, the resolution of an image displayed on the display screen) configured by the input device through communication connection respectively established with the input device (for example, a terminal device such as a computer, a mobile phone and the like) and the display screen (an LED screen), and converts the image data into an image (for example, a still image, a dynamic image and the like) which can be displayed on the display screen, thereby realizing the function of controlling the display screen to display the image by the control device. Taking the control device as a multimedia playing box and the input device as a computer as an example, the user configures image data to be played on the computer, for example, adjusts the resolution of the image displayed on the display screen, the size of the image displayed on the display screen, and the like. After the image data configuration is completed, the computer sends the configured image data to the multimedia playing box. After the multimedia playing box receives the configured image data, the configured image data is processed, the image data is converted into image data which can be output on a display screen, and the display screen is controlled to display the image data. At present, the multimedia playing box is an important content playing medium and is widely applied to the fields requiring a display screen, such as commercial display, advertisement media and the like for realizing image playing by utilizing a vehicle-mounted screen, a lamp post screen and the like.
In the prior art, in order to meet various requirements of a user on a resolution size of a display screen, a part of a resolution list (such as 1280×720, 1920×1080, 4096×2160, etc.) is preset inside a multimedia playing box. But the preset resolution often does not meet the user's need for a resolution size. Thus (2) ， The scheme is used for realizing that the multimedia playing box can automatically adjust the resolution of the LED display screen output by the control device according to the actual resolution information configured by a user for the display screen.
As shown in fig. 1, fig. 1 is a schematic diagram of a system for automatically adjusting resolution of an LED display screen according to an embodiment of the present application, where the system includes: a control device 100, an input device 200 and a display 300.
As an example, the control device 100 may be a multimedia play box for adjusting the resolution of a display screen; the input device 200 may be a terminal device for taking an actual physical resolution (i.e., a first resolution) of a display screen configured for the display screen by a user as configuration information and transmitting the configuration information to the control device 100, such as a computer, a mobile phone, a Pad, or the like; the display 300 is an LED display (Light Emitting Diode Display ).
As an example, the control device 100 may establish a communication connection with the input device 200, which may be a wireless communication connection or a wired communication connection. For example, the control device 100 may be a wireless Access Point (AP), and the input device 200 may be a Station (STA), and establish a communication connection with the control device 100 by accessing into a wireless lan established by the control device 100. For example, the control device 100 and the input device 200 may also be used as STAs to access the same wireless lan for communication. The control device 100 may also be configured to establish a wired communication connection with the input device 200 via a network cable interface, which is not limited in this embodiment.
As an example, the control device 100 may establish a communication connection with the display 300. Illustratively, the control device 100 may establish a communication connection with the display 300 through an interface such as VGA (Video Graphics Array) interface or HDMI (Video Graphics Array) interface. Through this communication connection, the control device 100 can configure the image data to the display screen 300. For example, the image data may be configuration information, such as timing parameters, for controlling the display screen 300 to display an image.
As shown in fig. 2, fig. 2 shows a schematic structural diagram of a control apparatus 100 provided in an embodiment of the present application, where the control apparatus 100 includes: the device comprises a first communication interface, a second communication interface, a processing module, a sending module and a receiving module. The processing module is respectively connected with the first communication interface, the second communication interface, the sending module and the receiving module. The first communication interface may be a wireless network interface, or an ethernet interface, or may be a bluetooth interface, for example, through which the control device 100 may establish a communication connection with other devices, such as the input device 200. The second communication interface may be a VGA interface or an HDMI interface, through which the control device 100 may establish a communication connection with other devices (such as the display screen 300). The processing module of the control device 100 may be used to determine whether the control device 200 is capable of supporting the first resolution in the display configuration information from the control device control in the input device 200, and may also be used to generate a plurality of timing parameters corresponding to the display 300. The transmission module may be used to configure image data (e.g., resolution size, etc.) to the display screen 300. The receiving module may be configured to receive configuration information, such as a resolution size, etc., from the input device 200.
In the embodiment of the present application, the specific structure of the execution body of the method for adjusting resolution of an LED display screen is not particularly limited, as long as communication can be performed by a method for adjusting resolution of an LED display screen according to the embodiment of the present application by running a program recorded with codes of the method for adjusting resolution of an LED display screen of the embodiment of the present application. For example, the execution body of a method for adjusting the resolution of an LED display screen provided in the embodiments of the present application may be a functional module in a control device that can call a program and execute the program, or an apparatus, for example, a chip, applied to the control device and capable of automatically adjusting the resolution of the LED display screen. This application is not limited thereto.
The following embodiments will be described taking an execution subject of a method of adjusting resolution of an LED display screen as an example of a control device and an input device.
As shown in fig. 3, fig. 3 is an interaction schematic diagram of a method for adjusting resolution of an LED display screen according to an embodiment of the present application, where the method includes:
step 410, the input device sends a first resolution configured for a display screen controlled by the control device to the control device via a communication connection between the control device and the input device. Accordingly, the control device obtains a first resolution configured for the display screen controlled by the control device from the input device.
The communication connection between the control device and the input device can be wireless communication connection or wired communication connection. For the manner of communication connection between the control device and the input device, reference may be made to the description of the above embodiments, and details thereof will not be repeated here.
Wherein the first resolution is used for controlling the display screen to display images on the display screen in the form of the first resolution by the control device. It should be explained that the first resolution is the actual screen physical resolution of the control display screen. It will be appreciated that the resolution dictates the number of pixels in the image, i.e., the sharpness of the image. Illustratively, the higher the resolution of the image, the greater the number of pixels contained in the image, i.e., the sharper the image.
As an example, the first resolution is a resolution of a display when displaying an image, and may be selected from a resolution list preset in the control device. The resolution list may store a plurality of commonly used resolutions. The form of storing the resolution information in the resolution list is not limited in the embodiment of the present application, and alternatively, the resolution list may store the resolution information in a table form, such as the resolution list shown in table 1:
Table 1 resolution list
| Sequence number | Resolution ratio |
| Resolution 1 | 1280×720 |
| Resolution 2 | 1920×1080 |
| Resolution 3 | 2560×1440 |
| Resolution 4 | 3840×2160 |
| ... | ... |
For example, the resolution list stores the first resolutions of 1280×720, 1920×1080, 2560×1440, 3840×2160, and the like. By providing the control device with the usual first resolution, the user can conveniently configure the resolution size of the display screen controlled by the control device.
As another example, the first resolution may be a first resolution customized on the input device according to the needs of the user, such as 1000 x 1000. Alternatively, the first resolution may be the first resolution stored in the resolution list.
Step 420, the control device determines, for the display screen, a timing parameter supported by the display screen according to the first resolution when the control device can support the first resolution, where the timing parameter is used to control the display screen to display an image, and the timing parameter includes at least a second resolution determined by the first resolution and conforming to the storage of the control device.
It should be explained that the range of resolution sizes that the control device can support is limited. For example, after the control device obtains the first resolution configured for the display screen controlled by the control device from the input device, it is further required to determine whether the first resolution is within a range of a resolution size that can be supported by the control device. In other words, in the case where the first resolution is not supported, the control device cannot control the image data configured at the first resolution to be displayed on the display screen.
As an example, the maximum resolution that the control device can support is 1920×1080, while the first resolution is 1280×720. The first resolution is within the range of the resolution of the display screen that the control device is capable of supporting, then the control device is capable of supporting the first resolution.
It should be noted that, regarding the case where the control device cannot support the first resolution, reference may be made to the following embodiments, which are not described herein.
It should be explained that the time sequence parameter is used for sequentially displaying the pixel data in the image on the display screen in a preset time, so that the effect that the control device controls the display screen to display the image according to the time sequence parameter is achieved. Specifically, the timing parameters include at least a second resolution determined by the first resolution and stored in accordance with the control device, where the second resolution and the first resolution may be the same or different in size. For example, in the case where the first resolution is a resolution conforming to the control device storage, the first resolution and the second resolution are the same in size. In case the first resolution does not correspond to the resolution stored by the control device, the first resolution needs to be processed to obtain a second resolution corresponding to the control device.
It should be explained that the timing parameters further include a resolution parameter determined by the second resolution, wherein the resolution parameter includes horizontal blanking and vertical blanking.
Among these, the horizontal blanking (Horizontal Blanking Interval, HBI) is a flyback process to eliminate the horizontal scanning of the electron beam. Vertical blanking (Vertical Blanking Interval, VBI) is a flyback process that eliminates the electron beam from vertical scanning.
It is to be understood that an image is composed of frames, each of which is composed of a plurality of pixels. The control device controls the electron gun to sequentially output pixels on the display screen according to a fixed direction, so that a complete frame of image is formed. Illustratively, the control device controls the electron gun to output pixels from left to right on the display screen, as the electron gun draws one scan line at a time, wherein the scan line is comprised of a plurality of pixels. The gun returns to the left and is ready for the next scan line before drawing the next one, a period of time in between which is called horizontal blanking. Illustratively, the control device controls the electron gun to output a plurality of rows of scan lines in a top-down order until a complete frame of the picture is output. After outputting a frame, the electron gun controlled by the control device needs to return to the upper left corner of the display screen when outputting the next frame, a period of time between which is called vertical blanking.
For how to determine the resolution parameter according to the second resolution, reference may be made to the following embodiments, which are not described herein.
Step 430, the control device configures timing parameters for the display screen.
The embodiment of the application provides a method for adjusting the resolution of an LED display screen, wherein a control device obtains a first resolution configured for the display screen controlled by the control device from an input device through communication connection between the control device and the input device, so that the resolution configured for the display screen by a user through the input device can be determined, the control device also needs to determine that the control device can support the first resolution so as to ensure that the first resolution is within the processing capacity range of the control device, and the control device determines time sequence parameters supported by the display screen for the display screen under the condition that the control device can support the first resolution, and configures the time sequence parameters to the display screen.
In one possible embodiment of the present application, the timing parameters further include: horizontal blanking and vertical blanking, the vertical blanking being a preset value.
In one possible embodiment of the present application, the method provided in the embodiment of the present application may be implemented in the above step 420 by:
step 421, the control device determines the second resolution according to the first resolution.
In one possible embodiment of the present application, the first resolution includes a first vertical resolution and a first horizontal resolution, and the second resolution includes a second vertical resolution and a second horizontal resolution, respectively.
It should be explained that the first vertical resolution and the first horizontal resolution may be expressed as a resolution size in a vertical direction and a resolution size in a horizontal direction in an image to which the first horizontal resolution is applied, respectively. Accordingly, the second vertical resolution and the second horizontal resolution may be expressed as a resolution size in a vertical direction and a resolution size in a horizontal direction in an image to which the second horizontal resolution is applied, respectively. Taking 1920×1080 as an example of the first resolution, the first horizontal resolution of the first resolution is 1920, and the first vertical resolution of the first resolution is 1080.
In one possible embodiment of the present application, the manner in which the control device determines the second resolution from the first resolution may include the following cases:
In case 1, the control device may set the first vertical resolution as the vertical resolution in the second resolution when the first vertical resolution is capable of dividing the first numerical value.
In case 2, the control device may set the first horizontal resolution as the horizontal resolution in the second resolution when the first horizontal resolution is able to divide the first numerical value.
In case 3, the control device sets the second horizontal resolution as the horizontal resolution in the second resolution, the second horizontal resolution being the smallest value among the values that are larger than the first horizontal resolution and are integer multiples of the first value, in the case where the first horizontal resolution is not integer multiples of the first value.
In case 4, the control device sets the second vertical resolution as the vertical resolution of the second resolution, which is the smallest value among the values that are larger than the first vertical resolution and are integer multiples of the first value, in the case where the first vertical resolution is not integer multiples of the first value.
Wherein the first value is a unit value used by the control device to store data. For example, in the case where the unit value of the control device for storing data is 8, the sizes of the stored data in the control device are all integer multiples of 8. Therefore, in the case where the first horizontal resolution and/or the first vertical resolution included in the first resolution are not integer multiples of the first value, the first horizontal resolution and/or the first vertical resolution need to be processed to obtain the second horizontal resolution obtained after processing the first horizontal resolution and/or the second vertical resolution obtained after processing the first vertical resolution.
It should be explained that the size of the first value may be determined according to the byte corresponding to the number of bits of the control device. Taking a 64-bit computer as an example, the read data in a 64-bit computer is up to 64 bits wide, i.e., 8 bytes (bytes) wide. The first value in a 64-bit computer is therefore 8. Since the control device accesses data in bytes corresponding to the number of bits, that is, the data in the control device needs to be byte-aligned, for example, in a 64-bit computer, the data needs to be accessed in units of 8 bytes, so as to achieve quick access of the data, and effectively save storage space, the data (for example, the size of the resolution) in the control device is an integer multiple of the first value. Therefore, before determining the timing parameters supported by the display screen, the control device also needs to determine a second resolution that is an integer multiple of the first value according to the first resolution, and determine the timing parameters supported by the display screen for the display screen through the second resolution.
The present embodiment will be described by taking the first numerical value of 8 as an example.
As an example, the first resolution is 1920×1080, then the first horizontal resolution is 1920, and the first vertical resolution is 1080. When the first numerical value 8 can be divided by the first horizontal resolution 1920 and the first vertical resolution 1080, the first horizontal resolution 1920 is set as the second horizontal resolution, and the first vertical resolution 1080 is set as the vertical resolution of the second resolution. Thus, the second resolution is determined to be 1920×1080.
As another example, the first resolution is 1920×1070, then the first horizontal resolution 1920, and the first vertical resolution 1070. In the case where the first horizontal resolution 1920 is capable of dividing the first value 8 by a whole, but the first vertical resolution is not capable of dividing the first value 8 by a whole, the first horizontal resolution 1920 is taken as the second horizontal resolution, which is the minimum value 1072 that is larger than the first vertical resolution 1070 and is an integer multiple of the first value 8. Thus, the second resolution is determined to be 1920×1072.
As another example, the first resolution is 1900 x 1080, then the first horizontal resolution 1900, and the first vertical resolution 1080. When the first horizontal resolution 1900 is not capable of dividing the first value 8 by the integer, and the first vertical resolution is capable of dividing the first value 8 by the integer, the first horizontal resolution 1900 is a minimum value 1904 that is larger than the first horizontal resolution 1900 and is an integer multiple of the first value 8, and the first vertical resolution 1080 is taken as the vertical resolution in the second resolution. Thus, the second resolution is determined to be 1904×1080.
As another example, the first resolution is 1900 x 1070, then the first horizontal resolution 1900, and the first vertical resolution 1070. In the case where neither the first horizontal resolution 1900 nor the second vertical resolution 1070 is capable of integer division by the first value 8, the first horizontal resolution 1900 is a minimum value 1904 that is greater than the first horizontal resolution 1900 and is an integer multiple of the first value 8, and the second vertical resolution is a minimum value 1072 that is greater than the first vertical resolution 1070 and is an integer multiple of the first value 8. Thus, the second resolution is determined to be 1904×1072.
Step 422, the control device obtains a clock frequency and a display frame rate, where the clock frequency and the display frame rate are used by the control device to control the display screen to display the image.
Specifically, the Clock frequency (Clock Rate) is a basic frequency at which the display screen can synchronously and stably display pictures when the control device controls the display screen, and the Clock frequency is determined by the performance of the control device. The clock frequency can be preset to be 148.5MHz (148.5×10 according to the performance of the control device 6 Hz). Of course, other values may be preset according to the performance of the control device, which is not limited in the embodiment of the present application.
Specifically, the display Frame Rate (Frame Rate) is a frequency at which phase images in units of frames continuously appear on a display, and is a measure for measuring the number of display frames. For example, when the control device controls the display screen, the higher the display frame rate, the smoother the display of the image by the display screen. The measurement unit of the display Frame rate is "Frame Per Second (FPS)", which is used to describe how many frames are played per Second for video, electronic drawing, or game. In general, the display frame rate may be preset to 60FPS, i.e., the images displayed by the display screen are updated uniformly 60 times per second. Of course, the display frame rate may be preset to other values, which are not limited in the embodiment of the present application.
The present embodiment will be described with a clock frequency of 148.5MHz and a display frame rate of 60FPS as an example.
Step 423, the control device determines the vertical blanking according to the horizontal blanking, the clock frequency, the preset frame rate, and the second resolution.
Wherein the second resolution includes a second horizontal resolution and a second vertical resolution.
The horizontal blanking in the embodiment of the present application is a preset value. The present embodiment will be described below with respect to the horizontal blanking as 160 examples.
As an example, the control device may determine the vertical blanking according to the horizontal blanking, the clock frequency, the display frame rate, and the second resolution by referring to the following formula:
clock frequency= (second horizontal resolution+horizontal blanking) × (second vertical resolution
+vertical blanking) display frame rate
For example, the horizontal blanking is 160, the clock frequency is 148.5×10 6 Hz, display frame rate 60FPS, second horizontal resolution 1960, second vertical resolution 1080, and vertical blanking calculated value 87.453.
In one possible embodiment of the present application, the method provided in the embodiment of the present application further includes the following steps after the step 430:
step 440, the control device re-determines the first timing parameter for the display screen according to the second resolution by using the first algorithm when it is determined that the timing parameter is not compatible with the display screen.
The first timing parameter is used for controlling the display screen to display images, and the first timing parameter and the timing parameter are different in numerical value. It should be explained that in case the timing parameter is not compatible with the display, the timing parameter cannot be used to control the display to display the image, and therefore the first algorithm needs to be used to redetermine the first timing parameter for controlling the display to display the image. The first timing parameter and the timing parameter are numerically different because of the different algorithms used in determining the first timing parameter and the timing parameter. Accordingly, in the case where the determined timing parameters are not compatible with the display screen, the horizontal blanking and the vertical blanking among the timing parameters are not compatible with the display screen. Thus, according to the first algorithm, the horizontal blanking and the vertical blanking for controlling the display screen to display the image are newly determined. Thus, the horizontal blanking and the vertical blanking in the timing parameter and the horizontal blanking and the vertical blanking in the first timing parameter are also different in value.
In one possible implementation, after the control device configures the timing parameter to the display screen, the control device may determine whether the timing parameter is compatible with the display screen according to a situation in which an image is displayed on the display screen, for example, whether the display screen can normally display the image. For example, when a screen flicker occurs on the display screen, the control device determines that the timing parameter is not compatible with the display screen, and therefore the control device cannot control the display screen to display an image through the timing parameter.
The first algorithm may be, for example, an algorithm that coordinates video timing (Coordinated Video Timings, CVT) to calculate a first timing parameter. Of course, the first algorithm may be another algorithm that can calculate the first timing parameter, for example, a GTF (Generalized Timing Formula, general timing rule) algorithm, which is not limited in the embodiment of the present application. It should be explained that CVT algorithm is a standard method of calculating the first timing parameter. The GTF algorithm is one method of generating industry standard timing. A common set of standard first timing parameters may be generated by either the CVT algorithm or the GTF algorithm. It should be noted that the first timing parameter is a standard timing parameter, and has good compatibility on the display screen, so that the display screen can be controlled to display images through the first timing parameter.
Step 450, the control device configures the first timing parameter to the display screen.
In one possible embodiment of the present application, the method provided in the embodiment of the present application further includes the following implementation manner: and the control device outputs the first prompt information to the input device under the condition that the control device cannot support the first resolution. Correspondingly, the input device receives the first prompt information from the control device.
The first prompt information is used for prompting the control equipment not to support the first resolution. Optionally, the first prompting information may carry indication information, where the indication information is used to prompt the input device, and the control device does not support the first resolution.
In one possible implementation, the control device outputs the first prompt information to the input device if the control device fails to have the first horizontal resolution and/or the first vertical resolution.
As an example, the range of resolutions of the display screen that the control device can support is within 1920×1080, and the first resolution is 1920×1440. The size of the horizontal resolution in the first resolution is within the range of the horizontal resolution of the display screen that the control device can support, and the size of the first vertical resolution is not within the range of the resolution of the display screen that the control device can support, then the control device does not support the first resolution. Therefore, the control device cannot control the image data configured at the first resolution to be displayed on the display screen.
In one possible implementation, the input device, after obtaining the first prompt information from the control device, prompts the user that the control device does not support the first resolution and/or directs the user to reconfigure the first resolution.
For example, the input device may instruct the user to reconfigure the first resolution by prompting the user on a display screen of the input device to control the device to not support the first resolution. The input device may also prompt the user via a voice output device (audio device) that the control device does not support the first resolution and/or guide the user to reconfigure the first resolution.
In one possible embodiment of the present application, the number of pixels corresponding to the first resolution is within a range of the number of pixels that can be carried by the control device.
It is to be explained that the correspondence relationship of the first resolution and the number of pixel points may be referred to as shown in the following example. For example, the first resolution is 1920×1080, and the number of pixels corresponding to the first resolution is 2073600.
It should be explained that the number range of pixels that the control device can carry refers to the range of capability of the control device to support an image containing a specific number of pixels. The range of the number of pixels that the control device can carry is limited. The maximum loading capacity of the control device is determined by the performance of the control device, and the maximum loading capacity can be 65 ten thousand pixels or 230 ten thousand pixels. Illustratively, the control device may load a maximum of 230 ten thousand pixels. Taking 1920×1080 as an example of the first resolution, the number of pixels corresponding to the first resolution is 2073600. The number of pixels corresponding to the first resolution is within the range of the number of pixels that the control device can carry.
In one possible implementation manner of the present application, the method provided by the embodiment of the present application further includes the following implementation manners before the step 410 described above: the input device responds to a first resolution of the display screen configuration controlled by the control device configured on the input device by a user, and the number of pixels corresponding to the first resolution is determined to be in a range of the number of pixels which can be carried by the control device. The input device sends to the control device a first resolution configured for the display screen controlled by the control device.
As an example, the first resolution configured by the user on the input device is 1920×1080, the number of pixels corresponding to the first resolution is 2073600, and the control device can load 230 ten thousand pixels at maximum, so that the input device determines that the number of pixels corresponding to the first resolution is within the range of the number of pixels that the control device can load.
In one possible implementation manner of the present application, the method provided by the embodiment of the present application may further include the following implementation manners before the step 410 described above: the input device responds to the first resolution displayed by the display screen controlled by the control device configured on the input device by a user, and the number of pixels corresponding to the first resolution is determined to be out of the range of the number of pixels which can be carried by the control device. The input device outputs the second prompt message.
The second prompting information is used for prompting the user that the number of the pixels corresponding to the first resolution is out of the range of the number of the pixels which can be carried by the control device, and/or guiding the user to reconfigure the first pixels on the input device. Optionally, the input device may output the second prompt information through a display screen of the input device, or may output the second prompt information through a voice output device (audio device)
As one possible implementation manner, the first resolution corresponds to a first pixel configured for the display screen, where the first pixel is located within a pixel range that can be carried by the control device, and the method provided by the embodiment of the application further includes the following manners: the input device responds to a first pixel configured by a display screen controlled by the configuration control device of a user on the input device, and obtains a first resolution corresponding to the first pixel. The input device sends the first resolution to the control device.
The first pixels are the number of the set pixel points.
As one example, the input device may also support a user to set the first pixel on the input device. The input device obtains a first resolution corresponding to the first pixel according to the first pixel. The first pixel is 2073600 pixels in number, and the input device obtains a first resolution of 1920×1080, for example, from the first pixel. The first resolution includes a first horizontal resolution and a first vertical resolution within a range of horizontal resolutions and vertical resolutions that can be supported by the control device.
The foregoing description of the solution of the embodiment of the present application has been mainly presented from the perspective of interaction between network elements. It will be appreciated that various devices, such as control devices, input devices, etc., include corresponding structures and/or software modules that perform the functions described above. Those of skill in the art will readily appreciate that the elements and algorithm steps of the examples described in connection with the embodiments disclosed herein may be implemented as hardware or combinations of hardware and computer software. Whether a function is implemented as hardware or computer software driven hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
The embodiment of the present application may perform the division of the functional units according to the above method example, for example, each functional unit may be divided corresponding to each function, or two or more functions may be integrated in one processing unit. The integrated units may be implemented in hardware or in software functional units. It should be noted that, in the embodiment of the present application, the division of the units is schematic, which is merely a logic function division, and other division manners may be implemented in actual practice.
The method according to the embodiment of the present application is described above with reference to fig. 1 to 3, and the apparatus for performing the method according to the embodiment of the present application is described below. It will be appreciated by those skilled in the art that the methods and apparatuses may be combined and cited, and the apparatus for automatically adjusting resolution of an LED display provided in the embodiments of the present application may perform the steps performed by the control device in the method for adjusting resolution of an LED display described above.
In the case of an integrated unit, fig. 4 shows the apparatus for automatically adjusting the resolution of the LED display screen according to the above embodiment, where the apparatus for automatically adjusting the resolution of the LED display screen may be a control device or may be an apparatus applied to the control device, such as a chip or a processing circuit, and the apparatus for automatically adjusting the resolution of the LED display screen may include: an acquisition unit 510, a processing unit 520, and a configuration unit 530.
In an alternative implementation, the device for automatically adjusting the resolution of the LED display screen may further include a storage unit for storing program code and data of the device for automatically adjusting the resolution of the LED display screen.
The means for automatically adjusting the resolution of the LED display screen is, for example, a control device or a chip for application in a control device. The obtaining unit 510 is configured to obtain, from an input device, a first resolution in the display screen configuration information controlled by the control device through a communication connection with the input device. And the processing unit 520 is configured to determine, for the display screen, a timing parameter supported by the display screen according to the first resolution in a case where the control device is capable of supporting the first resolution, where the timing parameter is used to control the display screen to display an image, and the timing parameter includes at least a second resolution determined by the first resolution and conforming to the storage of the control device. A configuration unit 530, configured to configure timing parameters for the display screen.
In a possible implementation manner of the present application, the processing unit 520 is further configured to, when determining that the timing parameter is not compatible with the display screen, determine, by using a first algorithm, a first timing parameter for the display screen according to the second resolution, where the first timing parameter is used to control the display screen to display an image and is different from the timing parameter in value.
In a possible implementation manner of the present application, the configuration unit 530 is further configured to control the device to configure the first timing parameter for the display screen.
In a possible implementation manner of the present application, the processing unit 520 is further configured to determine, by using the control device, the second resolution according to the first resolution, obtain a clock frequency and a display frame rate, where the clock frequency and the display frame rate are used by using the control device to control the display screen to display an image, and determine the vertical blanking according to the horizontal blanking, the clock frequency, the display frame rate, and the second resolution.
In a possible implementation manner of the present application, the processing unit 520 is further configured to control the device to take the first horizontal resolution as the horizontal resolution in the second resolution if the first horizontal resolution is capable of dividing the first value; in the case where the first vertical resolution is capable of integer dividing the first value, the first vertical resolution is taken as the vertical resolution in the second resolution, in the case where the first horizontal resolution is not an integer multiple of the first value, the second horizontal resolution is taken as the horizontal resolution in the second resolution, which is the smallest value of the values that are larger than the first horizontal resolution and are integer multiples of the first value, and in the case where the first vertical resolution is not an integer multiple of the first value, the second vertical resolution is taken as the vertical resolution in the second resolution, which is the smallest value of the values that are larger than the first vertical resolution and are integer multiples of the first value.
In one possible implementation manner of the present application, an apparatus for automatically adjusting resolution of an LED display screen according to an embodiment of the present application further includes: the sending unit is used for outputting first prompt information to the input device or a control software interface corresponding to the control device when the control device cannot support the first resolution, wherein the first prompt information is used for prompting the control device not to support the first resolution.
The processing unit 520 may be a processor or controller, such as a central processing unit, a general purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a transistor logic device, a hardware component, or any combination thereof. Which may implement or perform the various exemplary logic blocks, modules, and circuits described in connection with this disclosure. A processor may also be a combination that performs a computational function, such as a combination comprising one or more microprocessors, a combination of a digital signal processor and a microprocessor, and so forth. The memory module may be a memory.
Alternatively, the structure of the control device 100 as shown in fig. 2 may further include a memory, which may be a read-only memory (ROM) or other type of static storage device that may store static information and instructions, a random access memory (random access memory, RAM) or other type of dynamic storage device that may store information and instructions, or an electrically erasable programmable read-only memory (electrically erasable programmable read-only memory, EEPROM), a compact disc-read-only memory (compact disc read-only memory, CD-ROM) or other optical disc storage, optical disc storage (including compact disc, laser disc, optical disc, digital versatile disc, blu-ray disc, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, but is not limited thereto. The memory may also be integrated with the processor.
The memory is used for storing computer execution instructions for executing the scheme, and the processor is used for controlling the execution. The processor is configured to execute the computer-executable instructions stored in the memory, thereby implementing a method for adjusting resolution of an LED display screen according to the embodiments described below.
Alternatively, the computer-executable instructions in the embodiments of the present application may be referred to as application program codes, which are not specifically limited in the embodiments of the present application.
In one aspect, a computer readable storage medium is provided having instructions stored therein that, when executed, perform the functions as performed by the control device 100 in fig. 3.
In one aspect, a computer program product is provided comprising instructions, the computer program product comprising instructions which, when executed, implement the functions as performed by the control device 100 in fig. 3.
In one aspect, the present embodiments provide a chip for use in the control device 100, the chip including at least one processor for executing instructions to perform the functions as performed by the control device 100 in fig. 3.
In the above embodiments, it may be implemented in whole or in part 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 programs or instructions. When the computer program or instructions are loaded and executed on a computer, the processes or functions described in the embodiments of the present application are performed in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, a network device, a user device, or other programmable apparatus. The computer program or instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another computer readable storage medium, for example, the computer program or instructions may be transmitted from one website site, computer, server, or data center to another website site, computer, server, or data center by wired or wireless means. The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that integrates one or more available media. The usable medium may be a magnetic medium, e.g., floppy disk, hard disk, tape; optical media, such as digital video discs (digital video disc, DVD); but also semiconductor media such as solid state disks (solid state drive, SSD).
Although the present application has been described herein in connection with various embodiments, other variations to the disclosed embodiments can be understood and effected by those skilled in the art in practicing the claimed application, from a review of the figures, the disclosure, and the appended claims. In the claims, the word "comprising" does not exclude other elements or steps, and the "a" or "an" does not exclude a plurality. A single processor or other unit may fulfill the functions of several items recited in the claims. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage.
Although the present application has been described in connection with specific features and embodiments thereof, it will be apparent that various modifications and combinations can be made without departing from the spirit and scope of the application. Accordingly, the specification and drawings are merely exemplary illustrations of the present application as defined in the appended claims and are considered to cover any and all modifications, variations, combinations, or equivalents that fall within the scope of the present application. It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A method for adjusting resolution of an LED display screen, applied to a control device, comprising:
acquiring a first resolution in the display screen configuration information controlled by the control device from an input device through communication connection with the input device;
determining a time sequence parameter supported by the display screen according to the first resolution under the condition that the control device can support the first resolution, wherein the time sequence parameter is used for controlling the display screen to display images, and at least comprises a second resolution which is determined by the first resolution and accords with the storage of the control device;
and configuring the time sequence parameters for the display screen.
2. The method of claim 1, wherein after the configuring the timing parameters to the display screen, the method further comprises:
under the condition that the time sequence parameter is not compatible with the display screen, a first algorithm is adopted, and according to the second resolution, a first time sequence parameter is redetermined for the display screen, wherein the first time sequence parameter is used for controlling the display screen to display images and is different from the time sequence parameter in value;
And configuring the first timing parameter for the display screen.
3. The method of claim 1, wherein the timing parameters further comprise: the method for determining the vertical blanking supported by the display screen for the display screen according to the first resolution comprises the following steps:
determining the second resolution according to the first resolution;
acquiring clock frequency and display frame rate, wherein the clock frequency and the display frame rate are used for the control equipment to control the display screen to display images;
determining the vertical blanking based on the horizontal blanking, the clock frequency, the display frame rate, and the second resolution.
4. A method according to any one of claims 1 to 3, wherein determining the second resolution from the first resolution comprises:
the first resolution includes a first horizontal resolution and a first vertical resolution, the second resolution includes a second horizontal resolution and a second vertical resolution,
taking the first horizontal resolution as the horizontal resolution in the second resolution in the case that the first horizontal resolution can be divided by a first value, wherein the first value is a unit value for storing data by the control device;
Taking the first vertical resolution as the vertical resolution in the second resolution when the first vertical resolution can be divided by a first numerical value;
in the case that the first horizontal resolution is not an integer multiple of the first value, a second horizontal resolution is taken as a horizontal resolution in the second resolution, the second horizontal resolution being a minimum value among values that are larger than the first horizontal resolution and are integer multiples of the first value;
in the case where the first vertical resolution is not an integer multiple of the first value, a second vertical resolution is taken as a vertical resolution in the second resolution, the second vertical resolution being a smallest value among values that are larger than the first vertical resolution and are integer multiples of the first value.
5. A method according to any one of claims 1 to 3, wherein the method further comprises:
and under the condition that the control equipment cannot support the first resolution, outputting first prompt information to the input equipment or a control software interface corresponding to the control equipment, wherein the first prompt information is used for prompting that the control equipment does not support the first resolution.
6. A method according to any one of claims 1 to 3, wherein the number of pixels corresponding to the first resolution is within the range of the number of pixels that can be carried by the control device.
7. An apparatus for automatically adjusting resolution of an LED display screen, comprising:
an obtaining unit, configured to obtain, from an input device, a first resolution in the display screen configuration information controlled by the control device through a communication connection with the input device;
the processing unit is used for determining a time sequence parameter supported by the display screen for the display screen according to the first resolution when the control device can support the first resolution, wherein the time sequence parameter is used for controlling the display screen to display images, and at least comprises a second resolution which is determined by the first resolution and accords with the control device;
and the configuration unit is used for configuring the time sequence parameters for the display screen.
8. A control device comprising a memory, a processor and a communication interface, and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the method according to any one of claims 1 to 6 when executing the computer program.
9. A system for automatically adjusting the resolution of an LED display screen, characterized in that the system comprises a control device, an input device and a display screen, the control device being adapted to perform the method according to any of claims 1 to 6.
10. A computer readable storage medium, characterized in that the computer readable storage medium stores a computer program, which, when executed by a processor, implements the method according to any one of claims 1 to 6.
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| CN117116200A (en) * | 2023-10-23 | 2023-11-24 | 广州市惠正信息科技有限公司 | Method and system for adjusting resolution of LED display screen |
| CN117116200B (en) * | 2023-10-23 | 2023-12-29 | 广州市惠正信息科技有限公司 | Method and system for adjusting resolution of LED display screen |
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