Video copy display method, electronic equipment and storage medium

Abstract

The invention provides a video copying display method, electronic equipment and a storage medium, and relates to the technical field of video signal processing, and the method comprises the following steps: signal input: inputting a video signal to be copied into a converter; in the video signal processing step, a converter switches a specific input signal to a plurality of output ports through an internal cross point electronic switch according to a microcontroller control signal; video signals after signal output and switching are output from an output port and can be connected to a plurality of displays or other display equipment, so that the technical problems of high cost and unstable output graph caused by the fact that the same picture is output by depending on a display card of a host and the method requires the strong graph processing capability of the computer host at present are solved.

Description

Technical Field

[0001] The present invention mainly relates to the technical field of video signal processing, and in particular to a video copying and displaying method, an electronic device and a storage medium. Background Art

[0002] In naval projects, ships are the core platform for maritime operations and navigation, and the information display system in the cockpit plays a vital role. Especially when dealing with critical tasks such as navigation planning, target tracking, and battlefield situation awareness, ensuring that all key charts, radar data, navigation instructions and other important information can be displayed to all seafarers in real time, accurately and clearly is the key to improving ship combat effectiveness and ensuring navigation safety.

[0003] Traditionally, in order to meet the needs of seafarers in different positions in the cockpit to view the same image information, the common method is to rely on the host graphics card to output the same picture. This method requires the computer host to have powerful graphics processing capabilities so that it can drive multiple displays at the same time and output high-quality, high-resolution images.

[0004] This method places high demands on the hardware configuration of the computer host. With the increase in the number of monitors and the continuous pursuit of image quality and resolution, the system power consumption and heat dissipation problems may increase, and in severe cases, the display may become unstable or even stop.

[0005] It should be noted that the above contents belong to the technical cognition scope of the inventor. Since the technical contents in this field are vast and too complicated, the above contents of this application do not necessarily constitute prior art. Summary of the invention

[0006] 1. Technical problems to be solved by the invention: The present invention provides a video copying and displaying method, an electronic device and a storage medium, which are used to solve the technical problems existing in the above-mentioned background technology.

[0007] 2. Technical solution: To achieve the above object, the present invention provides a technical solution: a video copy and display method, comprising the following steps: Signal input, input the video signal to be copied into the converter; Video signal processing, the converter switches the specific input signal to multiple output ports through the internal crosspoint electronic switch according to the microcontroller control signal; Signal output, the switched video signal is output from the output port and can be connected to multiple monitors or other display devices. The converter of this device is started by the microcontroller, and the two external input HDMI signals are copied into the same two HDMI signals according to the host computer instructions, and then output to drive the external monitor to display.

[0008] Furthermore, the converter is provided with two video signal input terminals and two video signal output terminals.

[0009] Furthermore, the converter adopts the Keystone Coollink GSV2002 dual-input and dual-output video matrix converter.

[0010] Furthermore, the converter is connected to the microcontroller via an IIC control bus.

[0011] Furthermore, the microcontroller adopts the Qinheng CH32V203C8T6 microcontroller.

[0012] Furthermore, the converter is powered by connecting to an external power source via a power chip, and the microcontroller is also powered by the power chip.

[0013] Furthermore, the power chip adopts the Shengbangwei SGM61020XN5G / TR DC / DC model.

[0014] Furthermore, the converter expands multiple video output ports by cascading, thereby driving multiple displays.

[0015] And an electronic device, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the aforementioned method when executing the computer program.

[0016] And a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the above method is implemented.

[0017] 3. Beneficial effects: Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects: The present invention has a reasonable design, realizes the dual-screen copy function by hardware, and can expand multiple video output ports and drive multiple displays by cascading. The solution reduces the requirements of the computer host on the graphics card performance, saves computer host resources, and transplants the video copy function that should be realized by adding a graphics card to the computer host to the display end. The display does not need to decompose and reconstruct the signal, and directly copies and outputs the input signal. The solution has low cost, high reliability, and is easy to implement, which reduces the product development cycle and cost.

[0018] It should be noted that the structures not introduced in the present invention are the same as the prior art or can be implemented by using the prior art, and are not described in detail here because they do not involve the design points and improvement directions of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a principle block diagram of the present invention; Figure 2 It is the principle diagram of the microcontroller of the present invention; Figure 3 Schematic diagram of the converter of the present invention. DETAILED DESCRIPTION

[0020] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0021] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0023] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", "provided with", "provided on" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example

[0024] See attached Figure 1-3 , a video copy display method, comprising the following steps Signal input, input the video signal to be copied into the converter; Video signal processing, the converter switches the specific input signal to multiple output ports through the internal crosspoint electronic switch according to the microcontroller control signal; Signal output, the switched video signal is output from the output port and can be connected to multiple monitors or other display devices. The converter of this device is started by the microcontroller, and the two external input HDMI signals are copied into the same two HDMI signals according to the host computer instructions, and then output to drive the external monitor to display.

[0025] The converter is provided with two video signal input terminals and two video signal output terminals, thereby realizing the video duplication function.

[0026] The converter adopts the Keystone Coollink GSV2002 dual-input and dual-output video matrix converter, which can stably process and output signals.

[0027] The converter is connected to the microcontroller via the IIC control bus. The microcontroller consists of a single-chip minimum system (including a reset circuit and a clock input circuit). The microcontroller IIC control bus is used to configure the video output matrix chip register to start and run the video output matrix chip.

[0028] The microcontroller adopts Qinheng CH32V203C8T6 microcontroller.

[0029] The converter is connected to an external power source through a power chip for power supply, and the microcontroller is also powered by the power chip.

[0030] The power chip adopts the Shengbangwei SGM61020XN5G / TR DC / DC model. According to the power demand, the SGM61020XN5G / TR feedback loop configuration resistor is set with different resistance values ​​to achieve different voltage outputs of the DC / DC chip to meet the needs of the subsequent chips for different power supply voltages.

[0031] The converter expands multiple video output ports by cascading, thereby driving multiple displays. By cascading multiple converters, more output interfaces are progressively expanded layer by layer, thereby meeting the demand for driving multiple displays.

[0032] This embodiment provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the aforementioned method when executing the computer program.

[0033] This embodiment provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and is characterized in that the computer program implements the aforementioned method when executed by a processor.

[0034] The above-described embodiments only express a certain implementation mode of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A video copying and displaying method, characterized in that: The following steps are included Signal input, input the video signal to be copied into the converter; Video signal processing, the converter switches the specific input signal to multiple output ports through the internal crosspoint electronic switch according to the microcontroller control signal; Signal output: the switched video signal is output from the output port and can be connected to multiple monitors or other display devices.

2. A video copying and displaying method according to claim 1, characterized in that: The converter is provided with two video signal input terminals and two video signal output terminals.

3. A video copying and displaying method according to claim 1, characterized in that: The converter adopts the Keystone Coollink GSV2002 dual-input and dual-output video matrix converter.

4. A video copying and displaying method according to claim 1, characterized in that: The converter is connected to the microcontroller via an IIC control bus.

5. A video copying and displaying method according to claim 3, characterized in that: The microcontroller adopts Qinheng CH32V203C8T6 microcontroller.

6. A video copying and displaying method according to claim 3, characterized in that: The converter is connected to an external power source through a power chip for power supply, and the microcontroller is also powered by the power chip.

7. A video copying and displaying method according to claim 5, characterized in that: The power chip adopts the Shengbangwei SGM61020XN5G / TR DC / DC model.

8. A video copying and displaying method according to claim 1, characterized in that: The converter expands multiple video output ports by cascading, thereby driving multiple displays.

9. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that: When the processor executes the computer program, the method according to any one of claims 1 to 8 is implemented.

10. A computer-readable storage medium storing a computer program, characterized in that: When the computer program is executed by a processor, the method as claimed in any one of claims 1 to 8 is implemented.

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