server.js

const express = require('express')
const app = express();
const server = require('http').Server(app);
const io = require('socket.io')(server);
const cv = require('opencv4nodejs');


const FPS = 300;
const wCap = new cv.VideoCapture(0);
wCap.set(cv.CAP_PROP_FRAME_WIDTH,280);
wCap.set(cv.CAP_PROP_FRAME_HEIGHT,280);
    
app.use('/',express.static(__dirname+'/public'));

setInterval(function(){
    const frame = wCap.read();
    const image = cv.imencode('.jpg',frame).toString('base64');
    io.emit('image',image);
},1000/FPS);
    
    // const frame = wCap.read();
    // const image = cv.imencode('.jpg',frame).toString('base64');
    // io.emit('image',image);

    // io.emit('image',image);
    
    // require("fs").writeFile("input.png",image,'base64',function(err) {
    //     //console.log(err);
    // });
    // var spawn = require('child_process').spawn;
    // var process = spawn('python',['./model.py']);
    // //console.log('Script running.');
    // process.stdout.on('data',function(result){
    //     var textChunk = result.toString('utf-8'); // buffer to string
    //     console.log(textChunk);
    //     console.log("Sending the response.")
    //     io.emit('text',textChunk);
    // });   

server.listen(4444,function(){
    console.log('Server started');
});