junkpile

10 — Tauri v2 MIDI Input

A standalone Tauri v2 example showing how native MIDI input can be received in Rust with midir, emitted into a vanilla JavaScript frontend, mapped with MIDI learn, and used to control a raw WebGL visual.

Signal flow

MIDI controller / virtual MIDI port
                ↓
          Rust `midir`
                ↓
       Tauri `midi-event`
                ↓
  JavaScript mapping + MIDI learn
                ↓
         WebGL uniforms

Features

• MIDI device refresh, connect, disconnect, and diagnostics
• Note, CC, pitch bend, aftertouch, pressure, program-change, and system message parsing
• Editable MIDI-learn mappings saved in localStorage
• Manual slider fallback
• Live MIDI monitor and fixed-width readouts
• Scroll-safe Junkpile interface
• Native fullscreen command

Run

npm install
npm run dev

Default map

MIDI	Parameter
CC 1	Hue
CC 2	Zoom
CC 3	Speed
CC 7	Brightness
CC 10	Distortion
CC 74	Complexity

On macOS, virtual MIDI can be enabled through Audio MIDI Setup → MIDI Studio → IAC Driver. On Debian/Ubuntu, midir commonly requires libasound2-dev.

Production build

npm run build

The generated platform bundles are written beneath src-tauri/target/release/bundle/.

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