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Video processing method, device, equipment and medium

A video processing and video technology, applied in image communication, selective content distribution, electrical components, etc., to achieve the effect of small calculation, copyright protection, and less processing resources

Inactive Publication Date: 2019-12-24
TENCENT TECH (SHENZHEN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the amount of calculation and resource consumption of this video encryption and decryption method will increase proportionally with the size of the video file. How to reduce the amount of calculation and resource consumption of video encryption and decryption and improve the efficiency of video encryption and decryption is currently a problem that needs to be solved

Method used

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  • Video processing method, device, equipment and medium
  • Video processing method, device, equipment and medium
  • Video processing method, device, equipment and medium

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Experimental program
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Embodiment Construction

[0073] In order to enable those skilled in the art to better understand the present application, the technical terms mentioned in the present application are explained first.

[0074] 1. Video encoding, which is to compress the original video data into a bit stream, in this application, but not limited to: H.264 / HEVC technology can be used for encoding. in:

[0075] The code stream consists of several Network Abstract Layer Units (NALU);

[0076] NALU, including header (Header) and payload data (Payload Data) two parts, according to the different types of data carried, NALU includes: for video coding layer network abstraction layer unit (Video Code Layer NALU, VCLU) and non-video coding There are two types of layer network abstraction layer unit (non-Video Code Layer NALU, non-VCLU), which can be distinguished according to the NALU Type field in the Header;

[0077] VCLU is a NALU for carrying video frame data;

[0078] non-VCLU is a NALU used to carry metadata. In this app...

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Abstract

The invention discloses a video processing method, a device, equipment and a medium, is applied to the technical field of encryption, and is used for solving the problems that a video encryption and decryption method in the prior art is relatively high in calculated amount and resource consumption and relatively low in encryption and decryption efficiency. The method specifically comprises the steps that a server encrypts metadata in a video file to obtain an encrypted video file; and a client acquires the encrypted video file from the server, decrypts the encrypted metadata in the encrypted video file and then decodes and plays the encrypted metadata. Thus, by encrypting the metadata in the video file, copyright protection of the video file can be realized, the data volume of the metadatais relatively small, the calculation amount during encryption and decryption of the metadata is relatively small, the encryption and decryption efficiency is relatively high, and occupied processingresources are relatively few.

Description

technical field [0001] The present application relates to the technical field of encryption, and in particular to a video processing method, device, equipment and medium. Background technique [0002] With the popularization of digital media information, the copyright protection of digital media information becomes more and more important, especially in the field of video, copyright protection has been called a trend. Currently, the copyright protection technology of digital media information is Digital Rights Management (DRM) technology, which is usually used to control illegal operations such as illegal copying, illegal duplication, and network theft during the use of digital media information. [0003] The principle of DRM technology is to encrypt the encoded video data, repackage the encrypted video encoded data into a video file after obtaining the encrypted video encoded data, and distribute the video file to the client through the network, and the client will process ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/2347H04N21/235H04N21/4405H04N21/266H04N21/435
CPCH04N21/2347H04N21/2351H04N21/26613H04N21/4353H04N21/4405
Inventor 刘阿海
Owner TENCENT TECH (SHENZHEN) CO LTD
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