AI Video Editor

This project demonstrates a simple integration between Swift and Rust. The Swift app provides a user interface that calls Rust functions for basic operations.

Project Structure

• Swift App: Contains the iOS/macOS application with UI
• rust-core: Contains the Rust library with core functionality

Setup Instructions

Prerequisites

• Xcode (latest version recommended)
• Rust toolchain (install with rustup)
• cbindgen (cargo install cbindgen)

Building the Project

1. Clone the repository
2. Run the build script to compile the Rust library:

   cd "Swift App"
   ./build-rust.sh

3. Open the Xcode project Swift App/AI Video Editor.xcodeproj
4. Configure the Xcode project to link with the Rust library:
   • Set "Swift Compiler - General" > "Objective-C Bridging Header" to:

     $(PROJECT_DIR)/AI Video Editor/AI-Video-Editor-Bridging-Header.h
     

   • Add to "Search Paths" > "Header Search Paths":

     $(PROJECT_DIR)/AI Video Editor/Libs
     

   • Add to "Linking" > "Other Linker Flags":

     -lrust_core
     

   • Add to "Search Paths" > "Library Search Paths":

     $(PROJECT_DIR)/AI Video Editor/Libs
     

5. Add a Run Script build phase (before "Compile Sources") with:

   "${PROJECT_DIR}/build-rust.sh"

6. Build and run the project in Xcode

How It Works

The Swift app communicates with Rust through a C-compatible Foreign Function Interface (FFI). The process is:

1. Rust functions are marked with #[no_mangle] and extern "C" to make them callable from C
2. The C header file (rust_core.h) defines the interface for these functions
3. Swift uses a bridging header to import the C functions
4. The RustCore.swift file wraps these C functions in a more Swift-friendly API

Current Features

• Adding two numbers using Rust
• Greeting a user with a message from Rust
• Dividing two numbers with error handling

Extending the Project

To add more functionality:

1. Add new functions to the Rust library in rust-core/src/lib.rs
2. Update the C header file in rust-core/include/rust_core.h
3. Add Swift wrapper methods in Swift App/AI Video Editor/RustCore.swift
4. Update the UI in Swift App/AI Video Editor/ContentView.swift

Troubleshooting

• If you encounter "Library not found" errors, make sure the Rust library has been built and copied to the correct location
• If Swift can't find the Rust functions, check that the bridging header is correctly configured
• For linking errors, verify that the library search paths and linker flags are set correctly