rpi-omxplayer/index.js

const io = require("socket.io-client")
const fs = require('fs');
const { spawn } = require('child_process')
const socket = io('', {
    auth: {
        roomID: 'test',
        name: '666'
    }
});
socket.on('connect', () => {
    console.log('连接成功');
})
socket.on('leaved', (user) => {
    console.log(`${user.name}-${user.ip}离开${user.roomID}房间,人数${user.Length}`)
})
socket.on('joined', (user) => {
    console.log(`${user.name}-${user.ip}加入${user.roomID}房间,人数${user.Length}`)
})
socket.on('msg', data => {
    console.log('用户信息', data);
    if (data.type === 'Meadia') {
        // 处理buffer写入文件
        fs.writeFile('test.wav', data.Meadia, (er) => {
            if (er) {
                return console.error(err);
            }
            console.log("数据写入成功！,需要开启线程去播放");
            const ls = spawn('omxplayer', ['test.wav'])

            ls.on('close', (code) => {
                if (code === 0) {
                    console.log('播放结束，进程结束');
                } else {
                    console.log('其它问题');
                }
            });
        })

    }
})
socket.on('connect_error', err => {
    console.log('连接错误', err)

})