VST 2.4 API implementation in rust. Create plugins or hosts.
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A library to help facilitate creating VST plugins in rust.

This library is a work in progress and as such does not yet implement all opcodes. It is enough to create basic VST plugins without an editor interface.

Library Documentation


  • Implement all opcodes
  • Proper editor support
  • Write more tests
  • Provide better examples


VST is available on crates.io. If you prefer the bleeding-edge, you can also include the crate directly from the official Github repository.

# get from crates.io.
vst = "*"
# get directly from Github.  This might be unstable!
vst = { git = "https://github.com/rust-dsp/rust-vst" }


To create a plugin, simply create a type which implements plugin::Plugin and std::default::Default. Then call the macro plugin_main!, which will export the necessary functions and handle dealing with the rest of the API.

Example Plugin

A simple plugin that bears no functionality. The provided Cargo.toml has a crate-type directive which builds a dynamic library, usable by any VST host.


extern crate vst;

use vst::plugin::{Info, Plugin};

struct BasicPlugin;

impl Plugin for BasicPlugin {
    fn get_info(&self) -> Info {
        Info {
            name: "Basic Plugin".to_string(),
            unique_id: 1357, // Used by hosts to differentiate between plugins.


plugin_main!(BasicPlugin); // Important!


name = "basic_vst"
version = "0.0.1"
authors = ["Author <author@example.com>"]

vst = { git = "https://github.com/rust-dsp/rust-vst" }

name = "basicvst"
crate-type = ["cdylib"]

Packaging on OS X

On OS X VST plugins are packaged inside of loadable bundles. To package your VST as a loadable bundle you may use the osx_vst_bundler.sh script this library provides. 


./osx_vst_bundler.sh Plugin target/release/plugin.dylib
Creates a Plugin.vst bundle

Special Thanks

Marko Mijalkovic for initiating this project