lv2rs-core: Rust re-implementation of the LV2 core library.

This is a safe and idiomatic re-implementation of the LV2 core library. It goals are to provide an interface that is compatible with hosts written in C and uses an idiomatic API for plugin implementors.

Getting started

Creating a plugin binary is fairly simple:

• Create a new library crate
• Add the following entry to your Cargo.toml in order to build a dynamic library:

[lib]
crate-type = ["dylib"]

• Add lv2rs-core as a dependency both in your Cargo.toml:

[dependencies]
lv2rs-core = "*"

• Create a struct, implement Plugin for it, and use the lv2_main! macro to export the required symbols. For example:

extern crate lv2rs_core as core;
use std::ffi::CStr;

struct MyPlugin {}

impl core::Plugin for MyPlugin {
    fn instantiate(
        _descriptor: &core::Descriptor,
        _rate: f64,
        _bundle_path: &CStr,
        _features: Option<&[*mut core::Feature]>
    ) -> Self {
        Self {}
    }

    unsafe fn connect_port(&mut self, port: u32, data: *mut ()) {}

    fn run(&mut self, _n_samples: u32) {}
}

core::lv2_main!(core, MyPlugin, b"http://example.org/Dummy\0");

That's it! Although, if you really want to get started with LV2, you should check out the tutorial at LV2's website.