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  1. 635
      LICENSE
  2. 70
      README.md
  3. BIN
      dlib-master.zip
  4. BIN
      img/banner.jpeg
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GNU AFFERO GENERAL PUBLIC LICENSE
Version 3, 19 November 2007
Copyright (C) 2007 Free Software Foundation, Inc. <http s ://fsf.org/>
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copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

70
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@ -1,2 +1,70 @@
# opencv4nodejs-webcam
<p align="center">
<img src="img/banner.jpeg">
</p>
# Using opencv4nodejs to stream your webcam with Express, ejs and Socket IO
## Medium Blog [Link](https://medium.com/swlh/video-streaming-using-opencv4nodejs-with-node-js-express-and-socket-io-3806abb049a)
Follow the steps to stream your webcam with Express and socket io
Link for Socket IO Content Delivery Network which is hosted by cloudflare [Link](https://cdnjs.com/libraries/socket.io)
### Step 1:
Open your terminal and git clone with the following command
```
git clone https://github.com/narenltk/webcam_.git
```
### Step 2:
Since I have given all the dependencies in the package.json all you need to do is give the following command
```
npm install
```
This command actually installs all the dependencies given in the package.json file.
### Step 3:
Once your done with all the steps given above all you to do is just fire up the server, with the following command and check your localhost
```
npm start
or
node server.js
or
nodemon server.js
```
<p align="center">
<img src="img/node_server.png">
</p>
checkout "http://localhost:3030"
I have used the port 3030 and you can change the port to any number you like.
## Note
You can also host the application by creating your own SSL certificate and the link for code for that is here [Link](https://github.com/narenltk/ssl_.git)
Or in any case your lazy like me you can also host the application using ngrok to host in a public server and with the following command
Linux users command:
```
./ngrok http 3030
```
windows users command:
```
ngrok http 3030
```

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}

17
package.json
View File

@ -0,0 +1,17 @@
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"express": "^4.17.1",
"opencv4nodejs": "^5.6.0",
"socket.io": "^3.1.0"
}
}

25
server.js
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@ -0,0 +1,25 @@
const cv2 = require('opencv4nodejs');
const path = require('path');
const express = require('express');
const app = express();
const server = require('http').Server(app);
const io = require('socket.io')(server);
app.set('view engine', 'ejs');
app.get('/', (req, res, next) => {
res.render('index');
});
const FPS = 100;
const Vcap = new cv2.VideoCapture(0);
Vcap.set(cv2.CAP_PROP_FRAME_WIDTH, 300);
Vcap.set(cv2.CAP_PROP_FRAME_HEIGHT, 300);
setInterval(() => {
const frame = Vcap.read();
const image = cv2.imencode('.jpg', frame).toString('base64');
io.emit('image', image);
}, 1000 / FPS);
server.listen(3030, () => console.log('narenltk says open up your browser'));

20
views/index.ejs
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<!DOCTYPE html>
<html lang="en">
<head>
<title>narenltk</title>
</head>
<body>
<img id="image">
aloha
<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/3.1.0/socket.io.js"></script>
<script>
const socket = io.connect('http://localhost:3030');
socket.on('image', (image) => {
// console.log('data', data);
const img = document.getElementById('image');
img.src = `data:image/jpeg;base64,${image}`;
});
</script>
</body>
</html>
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