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A computer readable storage medium and a display stream compression decoding module and display interface interaction device applying the same

A storage medium and decoding module technology, which is applied in the field of display stream compression decoding module and display interface interaction device, can solve the problems of not including encoding and decoding algorithms, increasing process complexity and cost, etc., and achieves the effect of easy operation and simple implementation

Active Publication Date: 2019-05-31
SHENZHEN AIXIESHENG TECH CO LTD
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the driver integrated circuits in the existing display modules often do not contain encoding and decoding algorithms (hardware circuits), and bridge chips are required to be responsible for encoding and decoding operations, which increases process complexity and cost

Method used

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  • A computer readable storage medium and a display stream compression decoding module and display interface interaction device applying the same
  • A computer readable storage medium and a display stream compression decoding module and display interface interaction device applying the same
  • A computer readable storage medium and a display stream compression decoding module and display interface interaction device applying the same

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Embodiment Construction

[0032] In mobile devices, the DSC-compressed serial display data received from the MIPI interface enters as figure 1 The shown display stream compression decoding module and the display interface interaction device are processed by the interaction device (the processing flow is as follows: figure 2 Shown), obtain the MIPI data that is packaged into by the DPI data after the complete decompression, the MIPI data of this package is given to the display module of mobile equipment for displaying. In the interactive device, first, the serial display data is converted into DPI (Display Pixel Interface) data through an input decapsulation module, and the DPI data includes an input clock (pixel clock, pixel clock) and control information for decompression processing. DPI data enters the line buffer to achieve clock synchronization: the output clock generation module gives the local clock 1 with a frequency similar to the input clock to the line buffer, and the input clock of the DPI ...

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Abstract

The invention relates to the technical field of display processing, in particular to a computer readable storage medium and a display stream compression decoding module and display interface interaction device applying the same, a computer program is stored in the medium, and the computer program can be executed by a processor of the display stream compression decoding module and the display interface interaction device. The DSC standard V1.1 specifies that bit stream compression has a fixed compression ratio while the number of slices of a complete image may be 1, 2 or 4. Slice number information is obtained through calculation of a coded and transmitted image parameter set, clock frequencies needed by all the modules are automatically distributed, the input and output time sequence of decoding is controlled, and the method has the advantage of being easy to operate. Data for displaying a serial interface is converted into a DSC bit stream on hardware, and a decoding algorithm in a VESA association DSC standard V1.1 is realized by using the hardware, so that the method is simple and cheap to implement on conventional hardware.

Description

technical field [0001] The present invention relates to the field of display processing technology, and in particular to a computer-readable storage medium and a display stream compression decoding module and display interface interaction device using the medium. The medium stores a computer program, and the computer program can be displayed by the display stream compression decoding module. Executed by a processor of the device for interacting with the display interface. Background technique [0002] The Video Electronics Standards Association (VESA) established the Visually Lossless Compression Standard (DSC, Displaystream compression) group in September 2012, successfully released the first version of the DSC algorithm in April 2014, and tested more than 200,000 images, all of which are visually lossless It has become one of the industry-recognized compression standards, and the image can guarantee high compression quality. The core of the DSC standard is to provide a cl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/44H04N19/42H04N19/436H04N5/775
Inventor 程元元梁丕树夏群兵余晋权
Owner SHENZHEN AIXIESHENG TECH CO LTD
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