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Recently the team built a WEB player with WASM + FFmpeg.We decode videos using FFmpeg by writing C and communicate with JavaScript on browsers by compiling C to WASM.The default FFmpeg decoded data is yuv, and canvas only supports rendering rgb, so there are two ways to handle this yuv. The first one uses FFmpeg exposure to convert YUV directl ...

Let's look at this code first: import React from 'react'; //In the final rendering, you need to call the react DOM library to render jsx to all pages import ReactDOM from 'react-dom'; import * as serviceWorker from './serviceWorker'; let h = <React.Fragment> <h2>hello</h2> <ul></ul> </React.Fragment ...

I believe that a lot of little friends who are crawlers will encounter a lot of problems with the slider verification code. It is required to log in when climbing the sky eye. Can the slider verification code of Tianyan check be solved? The answer must be yes. Today, we will talk about the solution of the slider verification cod ...

kafka is liked by many enterprises because of its high-performance sending and consumption ability. So let's look at some source code implementations of kafka as follows: 1 public void run() { 2 int messageNo = 1; 3 while (true) { 4 String messageStr = "Message_" + messageNo; 5 long startTime ...

This article starts with WeChat public's "Android development tour". Welcome to pay more attention to get more dry goods. Background introduction In the previous article, we mainly introduced the origin of Jetpack and the component library contained in each of the four components. In this article, we will learn about lifecycle compone ...

Summary Strings in Python exist as a powerful set of processing tools, not as hard to use in class C. Because Python provides a series of string operation methods, from case conversion, slice operation to search and so on, which almost meet the daily use scenarios. Of course, if it can not meet the needs, it can also help more ...

I. static resource mapping rules In the springBoot project, the relevant configuration of springmvc is in the webmvcauautoconfiguration class public void addResourceHandlers(ResourceHandlerRegistry registry) { if (!this.resourceProperties.isAddMappings()) { logger.debug("Default resource handling disabled"); return; ...

Foreword, about calculation properties The first time I saw the word calculation property was in the official Vue document Calculation properties and listeners In the section, the article describes the calculation attributes as follows: Expressions in templates are very convenient, but they are designed for simple operations. Putting too m ...

I. VMware workstation menu bar virtual machine settings add hard disk next   II. SCSI next step: Create a new virtual disk IV. select the size of the hard disk you need 👉 immediately allocate the disk 👉 uncheck 👉 store the virtual disk as a single file 👉 next step   Five. Finish Vi. after restarting the virtual machine, u ...

  in this paper, we will introduce the operation of MyCat's sub database and sub table. Sub library table I. Introduction to segmentation rules       various segmentation rules supported by myCat are defined in rule.xml. Mod long Sharding by month Sharding by date Splitting by hour Range agreement: plan ...