# Development Guide

This document provides information for developers working on the video_probe project.

## Prerequisites

- Rust 1.70+ (https://rustup.rs/)
- FFmpeg/ffprobe (for probing video files)

## Build Commands

```bash
# Debug build
cargo build

# Release build
cargo build --release

# Run tests
cargo test

# Format code
cargo fmt

# Run linter
cargo clippy
```

## Project Structure

```
video_probe/
├── src/
│   ├── main.rs      # CLI entry point
│   ├── lib.rs       # Library interface
│   ├── error.rs     # Error types
│   ├── metadata.rs  # Data structures
│   ├── probe.rs     # ffprobe execution
│   ├── parser.rs    # JSON parsing
│   └── output.rs    # Output formatting
├── docs/
│   ├── DEVELOPMENT.md
│   ├── USAGE.md
│   └── API.md
├── Cargo.toml
└── README.md
```

## Code Conventions

- Structs/Enums: PascalCase (e.g., VideoMetadata)
- Functions/Methods: snake_case (e.g., probe_video)
- Variables: snake_case (e.g., video_path)

## Testing

```bash
# Run all tests
cargo test

# Run with output
cargo test -- --nocapture
```