Record Apps

A desktop application that allows you to record audio from specific applications on Linux. Built with Deno, Svelte, and WebView.

Features

• List running applications with audio output
• Record audio from specific applications
• Monitor recording in real-time
• Save recordings automatically to your Music directory
• Modern, dark-themed user interface

Prerequisites

• Linux operating system
• PulseAudio/PipeWire audio system
• Deno runtime installed
• pactl command-line utility

Installation

1. Clone the repository:

   git clone <repository-url>
   cd record
   

2. Build the application:

   deno task compile
   

This will create an executable named record in the project root directory.

3. Run the application:

   ./record
   

Development

To run the application in development mode:

deno task start

This will start both the backend server and the frontend development server.

• Backend runs on port 3000
• Frontend development server runs on port 5173
• WebView connects to port 8000 (production build)

Project Structure

record/
├── lib.ts              # Core audio functionality
├── gui/                # Frontend Svelte application
│   ├── src/           # Source files
│   ├── public/        # Static assets
│   └── server.ts      # Backend server
├── scripts/           # Application startup scripts
│   ├── front-server.ts
│   ├── server.ts
│   ├── start.ts
│   └── webview.ts
└── deno.json         # Project configuration

How It Works

1. The application creates virtual audio sinks for each application being recorded
2. Audio is redirected from the original application to its dedicated virtual sink
3. The virtual sink's audio is recorded to a FLAC file
4. Recordings are saved in ~/Music/RecordApps/<app-name>/ with timestamp-based filenames

License

MIT