vidSubSnap

A Node.js toolkit for video processing includes subtitle-based video frame extraction

Features

📹 Video Subtitle Screenshot Tool (/subcap)

• Extract video frames based on SRT subtitle timestamps
• Generate screenshots at subtitle transition points
• Create slideshow videos from extracted frames
• Support for custom output directories and file naming

Installation

Prerequisites

• Node.js (v14 or higher)
• FFmpeg (for video processing)

Dependencies

Navigate to the specific tool directory and install dependencies:

# For video subtitle tool
cd subcap
npm install

Usage

Video Subtitle Screenshot Tool

1. Configure settings in subcap/main.js:

const config = {
    videoPath: './video_source/video.mp4',      // Video file path
    srtPath: './video_source/subtitles.srt',    // SRT subtitle file path
    outputDir: './output_screenshots',          // Output directory
    slideshowVideo: './output_screenshots/slideshow.mp4', // Slideshow output
};

2. Run the tool:

cd subcap
npm start

SRT Subtitle Format

The SRT subtitle file should follow the standard format:

1
00:00:00,000 --> 00:00:05,000
First subtitle text

2
00:00:05,000 --> 00:00:10,000
Second subtitle text

Requirements

1. FFmpeg: Must be installed and accessible from command line
2. Node.js: Version 14 or higher

Contributing

1. Fork the repository
2. Create a feature branch
3. Make your changes
4. Submit a pull request

Support

For issues and questions, please open an issue on the GitHub repository.