Learn Angular.JS from the Best Tutors
Affordable fees 1-1 or Group class Flexible Timings Verified Tutors Search in
Asked by Indu Last Modified
Answer 
Sadika
To read a live video stream using Node.js, you can use libraries such as ffmpeg, opencv4nodejs, or node-cv. I'll provide you with a basic example using opencv4nodejs, which is a Node.js wrapper for OpenCV.
First, you'll need to install the opencv4nodejs library. Open your terminal and run:
npm install opencv4nodejs
Now, you can use the following example code to read a live video stream:
const cv = require('opencv4nodejs');
// Create a video capture object
const cap = new cv.VideoCapture(0); // Use 0 for the default camera
// Check if the camera opened successfully
if (!cap.read) {
console.error('Error opening camera.');
process.exit(1);
}
// Create a window to display the video stream
const window = new cv.NamedWindow('Live Video', cv.WINDOW_AUTOSIZE);
// Read frames from the video stream
const readFrame = () => {
const frame = cap.read();
// Display the frame
window.imshow(frame);
// Call the next frame
setImmediate(readFrame);
};
// Start reading frames
readFrame();
// Handle window close event
window.on('close', () => {
// Release the video capture object
cap.release();
process.exit(0);
});
This code creates a window using opencv4nodejs to display the live video stream from your camera. It continuously reads frames from the camera and displays them in the window. The setImmediate function is used to loop and read the next frame.
Remember to change the camera index (0 in this case) if you have multiple cameras or if your camera is at a different index.
Keep in mind that you might need to adjust the code based on your specific requirements, and you may need to handle errors and exceptions appropriately in a production environment.
Related Questions
Which JS Framework is Easy in between Angular JS and React JS ?
Which is Easy Angular or React JS ?
Hello all, I am working as a web (graphic) designer right now, I know basics of HTML, CSS, Photoshop illustrator but I want to become a developer. So I want to know that is Angularjs developer is a good career?
Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com
Ask a QuestionRelated Lessons
Recommended Articles
What is Applications Engineering all about?
Applications engineering is a hot trend in the current IT market. An applications engineer is responsible for designing and application of technology products relating to various aspects of computing. To accomplish this, he/she has to work collaboratively with the company’s manufacturing, marketing, sales, and customer...
Read full article >
8 Hottest IT Careers of 2014!
Whether it was the Internet Era of 90s or the Big Data Era of today, Information Technology (IT) has given birth to several lucrative career options for many. Though there will not be a “significant" increase in demand for IT professionals in 2014 as compared to 2013, a “steady” demand for IT professionals is rest assured...
Read full article >
Learn Hadoop and Big Data
Hadoop is a framework which has been developed for organizing and analysing big chunks of data for a business. Suppose you have a file larger than your system’s storage capacity and you can’t store it. Hadoop helps in storing bigger files than what could be stored on one particular server. You can therefore store very,...
Read full article >
Make a Career as a BPO Professional
Business Process outsourcing (BPO) services can be considered as a kind of outsourcing which involves subletting of specific functions associated with any business to a third party service provider. BPO is usually administered as a cost-saving procedure for functions which an organization needs but does not rely upon to...
Read full article >
Looking for Angular.JS Training?
Learn from the Best Tutors on UrbanPro
Are you a Tutor or Training Institute?
Join UrbanPro Today to find students near youThe best tutors for Angular.JS Classes are on UrbanPro
The best Tutors for Angular.JS Classes are on UrbanPro
15
