Created
October 19, 2014 22:45
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Realtime Webcam with Primus and OpenCV
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>HAN-Bot Realtime</title> | |
| <script src="/primus/primus.js"></script> | |
| </head> | |
| <body> | |
| <img id="camera" /> | |
| <script> | |
| var socket = Primus.connect(); | |
| var image = document.querySelector('#camera'); | |
| socket.on('image', function (data) { | |
| image.src = 'data:image/png;base64,' + data; | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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| { | |
| "name": "hanbot", | |
| "version": "1.0.0", | |
| "description": "HAN-Bot Streaming", | |
| "main": "server.js", | |
| "scripts": { | |
| "test": "echo \"Error: no test specified\" && exit 1" | |
| }, | |
| "author": "Julian Duque", | |
| "license": "MIT", | |
| "dependencies": { | |
| "opencv": "^1.0.0", | |
| "primus": "^2.4.9", | |
| "primus-emitter": "^3.0.3", | |
| "ws": "^0.4.32" | |
| } | |
| } |
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| var Primus = require('primus'), | |
| Emitter = require('primus-emitter'), | |
| http = require('http'), | |
| fs = require('fs'), | |
| cv = require('opencv'); | |
| var camera = new cv.VideoCapture(0); | |
| camera.setWidth(400); | |
| camera.setHeight(400); | |
| var server = http.createServer(function (req, res) { | |
| res.writeHead(200, { 'Content-type': 'text/html' }); | |
| fs.createReadStream('index.html').pipe(res); | |
| }); | |
| var primus = new Primus(server); | |
| primus.use('emitter', Emitter); | |
| primus.on('connection', function (socket) { | |
| var loop = function () { | |
| camera.read(function (err, image) { | |
| socket.send('image', image.toBuffer().toString('base64')); | |
| setTimeout(loop, 100); | |
| }); | |
| }; | |
| loop(); | |
| }); | |
| server.listen(8080); |
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Awesome!