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Multi-graphics-card data cooperative processing method, video conference system and cloud server

A video conferencing system and data collaboration technology, applied in the field of video encoding and decoding, can solve the problems of a single graphics card with fewer encoding and decoding channels, loss of CPU resources, and limited number of encoding channels, so as to reduce CPU usage and utilization rate , the effect of reducing bandwidth loss

Active Publication Date: 2021-04-16
ZHEJIANG HUACHUANG VISION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, traditional CPU encoding for video conferencing not only has low encoding efficiency, but also limits the number of encoding channels and consumes CPU resources.
In order to improve the number of codecs and efficiency, graphics card codecs are introduced, and because the number of codecs for a single graphics card is still small

Method used

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  • Multi-graphics-card data cooperative processing method, video conference system and cloud server
  • Multi-graphics-card data cooperative processing method, video conference system and cloud server
  • Multi-graphics-card data cooperative processing method, video conference system and cloud server

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Embodiment Construction

[0036] The principle and spirit of the present disclosure will be described below with reference to several exemplary embodiments. It should be understood that these embodiments are given only to enable those skilled in the art to better understand and implement the present disclosure, rather than to limit the scope of the present disclosure in any way. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0037] The technical solution of the present disclosure will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0038] Method example:

[0039] In order to realize that each channel of decoding in the video conferencing system can be shared by any channel of encoding, the present disclosure proposes a multi-graphics data collaborative processing method, which includes the following steps:

[004...

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Abstract

The invention discloses a multi-graphics-card data cooperative processing method, a video conference system and a cloud server, and belongs to the technical field of video encoding and decoding. The method comprises the following steps: distributing a display card for data processing to each conference terminal accessed to a video conference, and completing video data decoding of each conference terminal in parallel, wherein the decoded original decoded data are respectively stored in the video cards corresponding to the conference terminals; enabling the n-th video card allocated to the X-th conference terminal to acquire original decoded data on the other video cards, and enabling the n-th video card to perform scaling processing on each path of original decoded data according to the size specified in the private layout requested by the X-th conference terminal to obtain intermediate data, wherein X and n are both non-zero natural numbers; and enabling the n-th display card to splice each path of scaled intermediate data, then performing encoding to obtain a fused code stream, and feeding back the fused code stream to the Xth conference terminal. By implementing the technical scheme of the invention, one path of decoding can be shared by multiple paths of encoding, and the number of paths of encoding and decoding is increased.

Description

technical field [0001] The present disclosure relates to video encoding and decoding technology, and in particular to a multi-graphics data cooperative processing method, a video conferencing system and a cloud server. Background technique [0002] At present, traditional CPU encoding for video conferencing not only has low encoding efficiency, but also has a limited number of encoding channels and consumes CPU resources. In order to increase the number of codecs and efficiency, graphics card codecs are introduced, and the number of codecs for a single graphics card is still relatively small. [0003] In a video conferencing scenario, it is generally necessary to integrate multiple conference sites at the same time, and finally encode a fusion screen. It may be necessary to configure a private layout for individual conference sites. In particular, each site needs to configure a private layout, and each site Layouts vary. Since the layout of each venue is different, codes c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/15H04N19/436H04N19/44H04N19/33
Inventor 严烨科吕少卿王克彦曹亚曦俞鸣园
Owner ZHEJIANG HUACHUANG VISION TECH CO LTD
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