flvCom.js
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import React, { Component } from "react"
import flvjs from "flv.js";
import "./flvCom.css"
export default class FlvCom extends Component {
constructor(props){
super(props);
this.state = {
id:new Date().getTime()+Math.floor(Math.random() * (10000 - 1)) + 1,
}
}
shouldComponentUpdate(nextProps){
if(nextProps.videoUrl!==this.props.videoUrl){
if(this.flvPlayer){
this.destroyFlv()
}
this.startFlv(nextProps.videoUrl)
return true
}
return false
}
componentDidMount(){
if(this.props.videoUrl){
this.startFlv(this.props.videoUrl)
}
}
startFlv(videoUrl){
let {id} = this.state
if (flvjs.isSupported()) {
const videoElement = document.getElementById(id);
if(this.flvPlayer) this.destroyFlv()
this.flvPlayer = flvjs.createPlayer(
{
type: "flv",
isLive: true,
hasAudio: false,
//必须与node搭建的流媒体服务器中的http的端口和推流的参数吻合
url: videoUrl,
},
{
enableStashBuffer: true,
stashInitialSize: 128,
}
);
this.flvPlayer.attachMediaElement(videoElement);
this.flvPlayer.load();
this.flvPlayer.play();
} else {
alert("请更换浏览器，该浏览器暂不支持。")
}
}
destroyFlv(){
this.flvPlayer.pause();
this.flvPlayer.unload();
this.flvPlayer.detachMediaElement();
this.flvPlayer.destroy();
this.flvPlayer = null;
}
render() {
return (
<div className="flvWai">
<video
id={this.state.id}
className="videoFlv"
autoPlay
controls
muted
></video>
</div>
)
}
}