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Multi-way mixed video processing device based on PC (Personal Computer)

A video processing and PC technology, applied in the field of video processing, can solve problems such as high cost, low performance of graphics card, and inability to guarantee video processing quality, and achieve the effect of low cost and easy hardware implementation.

Inactive Publication Date: 2013-03-13
GUANGDONG VTRON TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When processing multi-channel mixed video signals, if a low-cost graphics card is used, the video processing quality cannot be guaranteed due to the low performance of the graphics card
If you use a high-performance graphics card, although the processing quality can be improved, the cost is very high

Method used

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  • Multi-way mixed video processing device based on PC (Personal Computer)
  • Multi-way mixed video processing device based on PC (Personal Computer)

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Embodiment Construction

[0008] In order to further illustrate the technical means adopted by the present invention and the achieved effects, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and preferred embodiments.

[0009] see figure 1 , is a schematic structural diagram of a PC (Personal Computer, personal computer) multiplexing video processing device of the present invention. The multi-channel hybrid video processing device based on PC in the present invention includes FPGA (Field-Programmable Gate Array, field programmable gate array) module 101, ASIC (Application Specific Integrated Circuit, application specific integrated circuit) module 102 and DVI (Digital Visual Interface, digital Video interface) output module 103, described FPGA module 101 is connected with described ASIC module 102 and described DVI output module 103 respectively, and described FPGA module 101 receives several road desktop vide...

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Abstract

The invention discloses a multi-way mixed video processing device based on a PC (Personal Computer). The multi-way mixed video processing device comprises an FPGA (Field Programmable Gate Array) module, an ASIC (Application Specific Integrated Circuit) module and a DVI (Digital Video Interactive) output module, wherein the FPGA module is used for transmitting a desk top video data stream to the ASIC module to scale; the ASIC module is used for returning the scaled desk video data stream to the FPGA module; and the FPGA module is used for scaling a video signal source data stream, then overlapping the scaled video signal source data steam with the returned desk video data stream, and finally transmitting the overlapped data stream to the DVI output module to accept DVI encoding. According to the multi-way mixed video processing device based on the PC, the FPGA logic implementation technology serves as the basis, a plurality of logic circuits of which the functions can just be implemented by special chips are integrated, and therefore, the multi-way mixed video can be scaled and overlapped; the function of conventional display card can be replaced during processing the multi-way mixed video; and the FPGA logic implementation technology is adopted, which is easily implemented by the hardware; and the multi-way mixed video processing device based on the PC is low in cost.

Description

technical field [0001] The invention relates to the technical field of video processing, in particular to a PC-based multi-channel hybrid video processing device. Background technique [0002] Multi-channel hybrid video processing technology, especially video scaling and video overlay technology, has been widely used in the field of video display and processing. For example, adjusting the resolution of a video image requires scaling the video, and displaying video signals from different data sources requires the use of video overlay. At present, most of the processing of multi-channel mixed video depends on the graphics card. When processing multi-channel mixed video signals, if a low-cost graphics card is used, the video processing quality cannot be guaranteed due to the low performance of the graphics card. If a high-performance graphics card is used, although the processing quality can be improved, the cost is high. This has become a common problem in the technical fie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/265
Inventor 杨灯刘先材
Owner GUANGDONG VTRON TECH CO LTD
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