Real-time synchronous display method for multiple splicing screens

A display method and real-time synchronization technology, which is applied in the field of information transmission, can solve problems such as poor scalability and inability to support video playback and display, and achieve the effects of reducing requirements, improving image real-time performance, and reducing bandwidth requirements

Pending Publication Date: 2020-04-17
西安青问智能科技有限公司
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Problems solved by technology

The main problem of this solution is that the maximum number of splicing screens has been fixed by the number of hardware output interfaces, the num

Method used

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  • Real-time synchronous display method for multiple splicing screens
  • Real-time synchronous display method for multiple splicing screens

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Embodiment Construction

[0020] In order to enable those skilled in the art to better understand that the technical solutions of the present invention can be implemented, the present invention will be further described below in conjunction with specific examples, but the given examples are only used as illustrations of the present invention, not as limitations of the present invention.

[0021] Such as figure 2 A real-time synchronous display method for multiple splicing screens is shown, which is specifically implemented according to the following steps:

[0022] S1: The controller starts the server software;

[0023] S2: Each splicing screen starts the client software;

[0024] S3: The client obtains the location coordinate information of the display area from the server according to the physical location;

[0025] S4: The controller obtains image frame data, encodes it through hardware and sends it to each splicing screen client;

[0026] S5: The splicing screen receives the image frame data, o...

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Abstract

The invention relates to a real-time synchronous display method for multiple splicing screens. The method comprises the steps that S1, a controller starts server software; s2, each splicing screen starts client software; s3, the client acquires the position coordinate information of the display area from the server according to the physical position; s4, the controller acquires image frame data, codes the image frame data through hardware and sends the coded image frame data to each splicing screen client; s5, the splicing screen receives the image frame data, obtains the image data accordingto hardware decoding, carries out Surface rendering through a GPU, and determines a display area according to the coordinate information; and S6, the server sends a synchronization signal to the client, and the client receives the synchronization signal and performs image area display. A device comprises the controller, a network switch and the splicing screens, the controller serves as a server,the splicing screens serve as clients, decoding and playing of videos are completed on the controller, and finally pictures are displayed on the splicing screen device. The method has the advantages that the display modes are diversified, the real-time degree is high, the expansibility is good, and the configuration flexibility is high.

Description

technical field [0001] The invention belongs to the technical field of information transmission, and in particular relates to a real-time synchronous display method for multiple splicing screens. Background technique [0002] With the development of LCD screen display technology, more and more offline scenes use multiple color LCD splicing screens to form a larger color screen. The large screen formed by combining multiple splicing screens needs to display a complete picture in real time. The splicing screen divides the complete picture into each sub-screen for display, and can keep the picture composed of each sub-screen complete. At present, the physical output method of hardware is mainly used in the market, and the image area is segmented through the hardware image segmentation technology, and then output to the splicing screen at the corresponding position through the physical interface data line (HDMI, VGA, etc.), and finally a complete large-screen image is formed. T...

Claims

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Application Information

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IPC IPC(8): G06F3/14
CPCG06F3/1446
Inventor 吴志斌
Owner 西安青问智能科技有限公司
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