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Build a Next.js Video Trimmer With Timeline UI Editor Using FFMPEG WASM in Browser Using TS

Education

Introduction

In this tutorial, I will guide you through building a video editor using Next.js and the FFMPEG WebAssembly library that runs directly in the browser. The application we're going to create is a video trimmer with a timeline user interface that allows users to effortlessly select and trim portions of their video files.

Features of the Application

The Video Cutter application features a simple and intuitive interface designed for smooth video editing. Here are the main components of the application:

1. User Interface

When you launch the application, you'll find a clean interface where you can start by selecting a video file you wish to trim. After selecting the file, the timeline editing feature will automatically generate for easy trimming.

2. Video Selection and Playback

Once you click the button to select your video file, the video will play within the application. Users can interact with the timeline, which updates automatically to reflect the selected video, allowing for an intuitive trimming experience.

3. Timeline Editor

The timeline editor lets users visually select the portion of the video they want to trim. Unlike traditional editors where you might have to input start and end durations manually, our application allows you to click and drag on the timeline to make your selection easily.

4. Trimming and Downloading

After selecting the desired video section, simply click the "Trim" button. The application leverages FFMPEG running in the background via WebAssembly to perform the trimming operation efficiently. Once the operation is complete, the edited video is available for download.

5. Source Code and Installation

For those interested in building this application themselves, I've made the full source code available. It’s built using TypeScript (files end with .tsx) and can be easily set up:

  • Installation: Use npm install to install the necessary modules.
  • Running the Application: Execute npm run dev to start the application on localhost:3000.
  • Building for Deployment: Use npm run build to prepare your application for deployment on your own website.

The source code is packaged in a ZIP file, and after purchasing, you’ll find all the necessary files and documentation ready for use.

Conclusion

Our video trimming application harnesses the power of FFMPEG and WebAssembly to provide a browser-based editing experience. With an easy-to-use interface and the ability to download trimmed videos directly, this tool is perfect for quick edits on the go.

If you’re interested in utilizing this application, the links to purchase the full source code can be found in the description. Thank you for following along, and don't forget to like and subscribe for more tutorials!

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FAQ

Q1: What is FFMPEG?
A1: FFMPEG is an open-source audio and video processing library that provides various functionalities for handling multimedia files.

Q2: What is WebAssembly (WASM)?
A2: WebAssembly is a binary instruction format designed to run code in web browsers at near-native speed. It allows high-performance applications, like video editors, to run inside the browser.

Q3: Do I need any prior coding experience to set up this application?
A3: A basic understanding of JavaScript and a familiarity with Next.js and TypeScript will suffice to set up your environment and run the application.

Q4: Can I customize the interface of the video trimmer?
A4: Yes! The full source code is available for customization, allowing you to modify the user interface to better suit your needs.

Q5: Is the application mobile-friendly?
A5: The application can be made mobile-friendly with additional responsive design techniques, but that is not covered in this tutorial.