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Device and method for playing video based on dsc coding technology

A video playback and encoding technology, applied in the field of liquid crystal module display and testing, can solve the problems of old equipment failing to meet bandwidth requirements, increasing bandwidth requirements, cost and power consumption, etc., to reduce throughput and hardware requirements , The effect of reducing cost and power consumption

Active Publication Date: 2020-09-04
WUHAN JINGCE ELECTRONICS GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing technology is to directly send video images with 2K and 4K or even higher distribution rates to the receiving end for display, but this high-quality and low-latency display requirement means a larger amount of data transmission and higher bandwidth requirements. That is, faster, more complex design of physical links and interfaces
On the one hand, some old devices cannot meet the bandwidth requirements for supporting high resolution; on the other hand, the increased bandwidth requirements brought about by ultra-high resolution will lead to a significant increase in cost and power consumption

Method used

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  • Device and method for playing video based on dsc coding technology
  • Device and method for playing video based on dsc coding technology
  • Device and method for playing video based on dsc coding technology

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Embodiment Construction

[0023] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0024] A kind of device based on DSC encoding technology video playback designed by the present invention, such as figure 1 As shown, it includes RGB (red, green, blue) to YCoCg conversion module 2 (YCoCg is an expression method of color space, Y is Luminance or Luma, indicating brightness, Co, Cg, namely Chrominance or Chroma, indicating Chromaticity, o is orange, indicating the difference between the orange part of the RGB input signal and the brightness value of the RGB signal, and g is green, indicating the difference between the green part of the RGB input signal and the brightness value of the RGB signal), image block control module 3 , DSC parallel encoding module 4, parallel encoding synchronization control module 5, image merging control module 9, video receiving module 1, video sending module 7, double buf storage module 8 before encod...

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Abstract

The invention discloses a device for video playing based on a DSC coding technology. An image block control module of the device is used for segmenting each video image of a YCoCg reversible color space into a plurality of sub-images in pieces, and a sub-image group is formed by the multiple sub-images; a DSC parallel coding module comprises a plurality of DSC coding sub-modules which run in parallel, and each DSC coding sub-module respectively carries out DSC coding processing on one selected sub-image in the sub-image group in the same DSC coding processing time period in order to obtain DSCcompressed image data of the corresponding sub-image; and an image merging control module is used for recombining the DSC compressed image data of all the sub-images to form a complete DSC compressedvideo image for video playing. According to the device and the method, some of old equipment can play videos with higher resolution ratio than before without changing hardware.

Description

technical field [0001] The present invention relates to the technical field of liquid crystal module display and testing, in particular to a device and method for video playback based on DSC (Displaystream compression, display stream compression) encoding technology. [0002] technical background [0003] With the development and popularization of high-definition display technology, video images with 2K and 4K or even higher distribution rates are widely used in the display field. The existing technology is to directly send video images with 2K and 4K or even higher distribution rates to the receiving end for display, but this high-quality and low-latency display requirement means a larger amount of data transmission and higher bandwidth requirements. That is, faster, more complex designs of physical links and interfaces. On the one hand, some old devices cannot meet the bandwidth requirements for supporting high resolution; on the other hand, the increased bandwidth require...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N19/186H04N19/176H04N19/85H04N19/436
CPCH04N19/176H04N19/186H04N19/436H04N19/85
Inventor 邓志许恩
Owner WUHAN JINGCE ELECTRONICS GRP CO LTD
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