VoIP Application

A Python-based Voice over IP (VoIP) application that provides audio capture, encoding/decoding, and playback capabilities.

Features

• Audio capture and playback using PyAudio
• Opus codec support for high-quality audio compression
• Modular architecture for easy extension

Project Structure

VoIP_app/
├── src/                    # Source code
│   ├── audio/             # Audio handling modules
│   ├── network/           # Network communication
│   └── utils/             # Utility functions
├── tests/                 # Test files
├── examples/              # Example applications
└── requirements.txt       # Python dependencies

Setup

1. Install the Opus library:

   • Windows: Download from https://opus-codec.org/downloads/
   • Linux: sudo apt-get install libopus-dev
   • macOS: brew install opus

2. Create and activate a virtual environment:

   python -m venv .venv
   source .venv/bin/activate  # Linux/macOS
   .venv\Scripts\activate     # Windows

3. Install Python dependencies:

   pip install -r requirements.txt

Usage

Run the simple client example:

python examples/simple_client.py

Development

• src/audio/capture.py: Audio capture functionality
• src/audio/playback.py: Audio playback functionality
• src/audio/codec.py: Opus codec handling

Requirements

• Python 3.7+
• PyAudio
• opuslib
• numpy