bbx_audio

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Suite of Rust crates for building and creating audio software 🧮

bbx_audio 최신버젼 다운로드

최종 버전 다운로드 (.zip)

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# `bbx_audio`

[![Test](https://github.com/blackboxaudio/bbx_audio/actions/workflows/ci.test.yml/badge.svg)](https://github.com/blackboxaudio/bbx_audio/actions/workflows/ci.test.yml)
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[![Version: v0.5.1](https://img.shields.io/badge/Version-v0.5.1-blue.svg)](https://github.com/blackboxaudio/bbx_audio)
[![License](https://img.shields.io/badge/License-MIT-yellow)](https://github.com/blackboxaudio/bbx_audio/blob/develop/LICENSE)

A modular, real-time safe audio toolkit in Rust.

> **Note:** These crates are still in early development. Expect breaking changes in some releases.

## Overview

`bbx_audio` provides a real-time safe DSP graph system for building synthesizers, effects, and spatial audio in Rust. The audio components are lock-free and allocation-free by design.

Connect blocks for oscillators, filters, modulators, and routing into processing graphs. The workspace supports mono through ambisonic layouts, MIDI input, OSC/WebSocket control, audio file I/O, and visualization. For plugin developers, `bbx_plugin` provides C FFI bindings to integrate with JUCE or any C/C++ host.

Optional SIMD optimizations are available via the `simd` feature flag (requires nightly Rust).

## Features

- **Real-Time Safe**: Lock-free, allocation-free audio thread with pre-allocated buffers
- **Block-Graph DSP**: Connect oscillators, filters, effects, and modulators into processing graphs
- **Spatial Audio**: Mono through ambisonics (FOA/SOA/TOA), surround (5.1/7.1), and binaural rendering
- **Network Control**: OSC and WebSocket for TouchOSC, Max/MSP, and web/mobile apps
- **MIDI Support**: Message parsing and real-time streaming with sample-accurate timing
- **Visualization**: Waveforms, spectrum analyzers, and graph topology viewers (nannou)
- **Plugin Ready**: C FFI bindings for JUCE or any C/C++ host

## Crates

| Crate | Description |
|-------|-------------|
| [`bbx_core`](./bbx_core) | `Sample` trait, `StackVec`, lock-free ring buffers, error types |
| [`bbx_daisy`](./bbx_daisy) | Electrosmith Daisy embedded audio (no_std, ARM Cortex-M) |
| [`bbx_dsp`](./bbx_dsp) | Block-graph engine with oscillators, filters, panners, mixers, ambisonics |
| [`bbx_draw`](./bbx_draw) | Waveforms, spectrum analyzers, graph topology viewers (nannou) |
| [`bbx_file`](./bbx_file) | Audio file I/O (WAV/MP3) |
| [`bbx_midi`](./bbx_midi) | MIDI parsing, events, and real-time streaming |
| [`bbx_net`](./bbx_net) | OSC + WebSocket for TouchOSC, Max/MSP, web/mobile control; includes [`@bbx-audio/net`](https://www.npmjs.com/package/@bbx-audio/net) TypeScript client |
| [`bbx_player`](./bbx_player) | Audio playback with rodio (default) or cpal backends |
| [`bbx_plugin`](./bbx_plugin) | C FFI bindings for JUCE or any C/C++ host; includes [`@bbx-audio/plugin`](https://www.npmjs.com/package/@bbx-audio/plugin) plugin tooling (`bbx` CLI, codegen, web glue) |
| [`bbx_sandbox`](./bbx_sandbox) | Examples and testing playground |

## Quick Start

Add dependencies to your `Cargo.toml`:

```toml
[dependencies]
bbx_dsp = { git = "https://github.com/blackboxaudio/bbx_audio" }
```

Build a simple DSP graph:

```rust
use bbx_dsp::{blocks::{OscillatorBlock, OverdriveBlock}, graph::GraphBuilder, waveform::Waveform};

let mut builder = GraphBuilder::<f32>::new(44100.0, 512, 2);

let osc = builder.add(OscillatorBlock::new(440.0, Waveform::Sine, None));
let drive = builder.add(OverdriveBlock::new(5.0, 1.0, 1.0, 44100.0));
builder.connect(osc, 0, drive, 0);

let graph = builder.build();
```

See [`bbx_sandbox/examples/`](./bbx_sandbox/examples/) for working examples, or the [Quick Start Guide](https://docs.bbx-audio.com/getting-started/quick-start.html) for a complete walkthrough.

### Linux Dependencies

```bash
sudo apt install libasound2-dev libssl-dev pkg-config
```

### Embedded (Daisy)

For embedded development with Electrosmith Daisy hardware:

```toml
[dependencies]
bbx_daisy = { git = "https://github.com/blackboxaudio/bbx_audio", features = ["seed"] }
```

```rust
#![no_std]
#![no_main]

use bbx_daisy::prelude::*;

struct SineOsc { phase: f32 }

impl AudioProcessor for SineOsc {
    fn process(
        &mut self,
        _input: &FrameBuffer<BLOCK_SIZE>,
        output: &mut FrameBuffer<BLOCK_SIZE>,
        _controls: &Controls,
    ) {
        for i in 0..BLOCK_SIZE {
            let sample = libm::sinf(self.phase * core::f32::consts::TAU) * 0.5;
            output.set_frame(i, sample, sample);
            self.phase += 440.0 / DEFAULT_SAMPLE_RATE;
            if self.phase >= 1.0 {
                self.phase -= 1.0;
            }
        }
    }
}

bbx_daisy_audio!(SineOsc, SineOsc { phase: 0.0 });
```

```bash
# Build and flash
cargo build -p bbx_daisy --example 02_oscillator --features seed --target thumbv7em-none-eabihf --release
cargo run -p bbx_daisy --example 02_oscillator --features seed --release  # With debug probe
```

See the [Embedded Development Guide](https://docs.bbx-audio.com/embedded.html) for setup and flashing instructions.

## Examples

The [`bbx_sandbox`](./bbx_sandbox/examples/) crate includes examples covering the major features:

```bash
cargo run --example 01_sine_wave -p bbx_sandbox        # Basic oscillator
cargo run --example 06_lfo_modulation -p bbx_sandbox   # Modulation
cargo run --example 08_ambisonic_panner -p bbx_sandbox # Spatial audio
cargo run --example 14_osc_synth -p bbx_sandbox        # OSC control
cargo run --example 15_ws_synth -p bbx_sandbox         # WebSocket control
```

## Documentation

Full documentation is available at **[docs.bbx-audio.com](https://docs.bbx-audio.com/)**:

- [Getting Started](https://docs.bbx-audio.com/getting-started/installation.html) - Installation and first steps
- [Tutorials](https://docs.bbx-audio.com/tutorials/first-graph.html) - Graphs, oscillators, effects, modulation
- [JUCE Integration](https://docs.bbx-audio.com/juce/overview.html) - Complete guide for C++ plugin integration
- [API Reference](https://docs.bbx-audio.com/api/) - Rust crate documentation

## Contributing

> **Nightly Required:** This workspace uses Rust nightly (`nightly-2025-06-08` pinned in `rust-toolchain.toml`). After cloning, `rustup` will automatically select the correct toolchain.

```bash
# Clone the repository
git clone https://github.com/blackboxaudio/bbx_audio.git
cd bbx_audio

# Install the pinned nightly toolchain (if not already installed)
rustup toolchain install nightly-2025-06-08

# Build all crates
cargo build --workspace

# Run tests
cargo test --workspace --release

# Run linting
cargo clippy

# Format code
cargo fmt
```

See the [Contributing Guide](https://docs.bbx-audio.com/contributing/development-setup.html) for more details.

## License

MIT License - see [LICENSE](./LICENSE) for details.

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