[lotr] make and implement crate

crates/lotr/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "lotr"
+version = "0.1.0"
+edition = "2018"
+
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]
+baseplug = { path = "../baseplug" }
+serde = "1.0.126"
+utils = { path = "../utils" }

crates/lotr/src/lib.rs

@@ -0,0 +1,54 @@
+#![allow(incomplete_features)]
+#![feature(generic_associated_types)]
+
+use baseplug::{Plugin, ProcessContext};
+use serde::{Deserialize, Serialize};
+
+baseplug::model! {
+    #[derive(Debug, Serialize, Deserialize)]
+    struct LotrModel {
+        #[model(min = 0.0, max = 1.0)]
+        #[parameter(name = "modulation")]
+        modulation: f32,
+    }
+}
+
+impl Default for LotrModel {
+    fn default() -> Self {
+        Self { modulation: 1.0 }
+    }
+}
+
+struct Lotr;
+
+impl Plugin for Lotr {
+    const NAME: &'static str = "lotr";
+    const PRODUCT: &'static str = "lotr";
+    const VENDOR: &'static str = "unnieversal";
+
+    const INPUT_CHANNELS: usize = 4;
+    const OUTPUT_CHANNELS: usize = 2;
+
+    type Model = LotrModel;
+
+    #[inline]
+    fn new(_sample_rate: f32, _model: &LotrModel) -> Self {
+        Self
+    }
+
+    #[inline]
+    fn process(&mut self, model: &LotrModelProcess, ctx: &mut ProcessContext<Self>) {
+        let input = &ctx.inputs[0].buffers;
+        let output = &mut ctx.outputs[0].buffers;
+
+        for i in 0..ctx.nframes {
+            let m = model.modulation[i];
+            let one = (1.0 - m) + m * input[2][i];
+            let two = (1.0 - m) + m * input[3][i];
+            output[0][i] = input[0][i] * one;
+            output[1][i] = input[1][i] * two;
+        }
+    }
+}
+
+baseplug::vst2!(Lotr, b"lotr");