Computer multiscreen expanded display method and device
A technology for expanding display and computers, applied in the field of computers, can solve problems such as high cost of computer systems, restrictions on the number of graphics card outputs supported by multiple screens, etc., and achieve the effect of flexible methods
Inactive Publication Date: 2015-06-10
SHENZHEN LINGKE TECH CO LTD
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Problems solved by technology
[0004] In order to solve the problem that the multi-screen display under the existing computer structure is realized by adding an extra graphics card or purchasing an expensive graphics card with multi-head output, the cost of the computer system supporting multi-screen output will be high, and the multi-screen It supports the technical problems restricted by the number of graphics card slots and output numbers of graphics cards in the current computer system, and provides a computer multi-screen extended display method and display system
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[0028] See figure 1 . The computer multi-screen extended display method of the present invention comprises the following steps:
[0029] Step 1: Simulate the video processing or display computing function of the graphics card in the computing unit of the CPU or GPU of the computer, decode the images that will be displayed on the expanded displays, and obtain each image that will be displayed on each display. The display encoded data of the frame image is sent out.
[0030] By using software and simple video output hardware to simulate the functions of complex multi-output graphics cards, the various calculation functions of traditional graphics cards are simulated by software in the calculation unit of CPU or GPU. Since the computing unit of the computer's CPU or GPU is idle most of the time, the display processing software uses the computing resources of the computer's CPU and GPU instead of the display hardware to perform distributed computing processing on the display enc...
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The invention discloses a computer multiscreen expanded display method and aims to provide a display method for implementing support for a plurality of screens in a more flexible mode and under the low cost. The computer multiscreen expanded display method comprises the following steps of: simulating a video processing or display operating function of a display card in an operating unit of a CPU (Central Processing Unit) or an operating unit of a GPU (Graphics Processing Unit) of a computer, decoding an image displayed in each expanded display, acquiring display encoded data of each frame of image to be displayed on each display and sending out the display encoded data; by a display output card, receiving the display encoded data, splitting the display encoded data and then respectively packaging and outputting the display encoded data to the displays corresponding to the split display encoded data; and by each display, receiving and displaying the correspondingly split display encoded data sent by the display output card. The invention also discloses a computer multiscreen expanded display system. The computer multiscreen expanded display method and the computer multiscreen expanded display system can be used for multiscreen display.
Description
technical field [0001] The invention relates to the field of computers, in particular to a computer multi-screen extended display method and a display system. Background technique [0002] With the continuous development of computer technology, people's demand for computer graphics display is getting higher and higher, and high-definition, large-screen, and multi-screen display have gradually become the development trend of computer display technology. All current multi-screen display is achieved by adding additional graphics cards or buying expensive graphics cards with multiple outputs. However, the price of computer motherboards supporting multiple graphics card slots is very expensive, and the number of graphics card slots increases very slowly. The price of multi-head graphics cards increases in series with the increase of output heads. Therefore, the multi-screen display technical solution in the prior art all leads to a high cost of the computer system supporting mul...
Claims
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IPC IPC(8): G06F3/14
Inventor 罗志红
Owner SHENZHEN LINGKE TECH CO LTD