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Code stream adjusting method and device and computer storage medium

An adjustment method and code stream technology, applied in image communication, selective content distribution, electrical components, etc., can solve problems such as black screen display of decoding ability, achieve the effect of avoiding black screen display and improving preview experience

Active Publication Date: 2020-03-31
ZHEJIANG DAHUA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem mainly solved by this application is to provide a code stream adjustment method, which can solve the problem of black screen display caused by the decoding requirement of opening the channel exceeding the decoding capability of the device

Method used

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  • Code stream adjusting method and device and computer storage medium
  • Code stream adjusting method and device and computer storage medium
  • Code stream adjusting method and device and computer storage medium

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Embodiment Construction

[0011] The following will clearly and completely describe the technical solutions in the embodiments of the present application in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of this application.

[0012] The terms "first" and "second" in this application are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features shown. Therefore, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the terms "include" and "have" and any of their variations are intended to cover non-exc...

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PUM

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Abstract

The invention discloses a code stream adjusting method and device and a computer storage medium. The code stream adjusting method comprises the following steps: determining whether the sum of decodingcapabilities required by each opened channel is greater than the maximum decoding capability which can be provided by decoding equipment or not; if the decoding capability is greater than the maximumdecoding capability, sorting the channels according to the evaluation indexes of the channels; and performing code stream reduction operation on the sorted channels in sequence. By means of the mode,the problem of black screen display caused by the fact that the decoding requirement for opening the channel exceeds the decoding capacity of the equipment can be solved, and then the preview experience of a user is improved.

Description

Technical field [0001] This application relates to the field of video surveillance, in particular to a code stream adjustment method, device and computer storage medium. Background technique [0002] The video data monitored by the network camera is encoded by the front end and transmitted to the monitoring display terminal for preview through the network bandwidth. The encoded video data is decoded by the network hard disk video recorder to preview the monitored video. The traditional solution is to apply for a decoder after the channel preview is turned on, and the decoding capacity is occupied after the preview is turned on. Each hard disk video recorder has a corresponding decoding capacity and supports a certain number of decoding channels. One decoding channel corresponds to a video display window. When the number of decoded channels increases, the decoding capacity occupied also increases. This may cause the last opened channel to be unable to decode the preview because it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/2187H04N21/24H04N21/262H04N21/2662
CPCH04N21/2187H04N21/2405H04N21/26208H04N21/2662
Inventor 葛赵泳
Owner ZHEJIANG DAHUA TECH CO LTD