39 lines
1.5 KiB
Rust
39 lines
1.5 KiB
Rust
// nih-plug: plugins, but rewritten in Rust
|
|
// Copyright (C) 2022 Robbert van der Helm
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
//! Utilities for saving a [Plugin]'s state.
|
|
|
|
use serde::{Deserialize, Serialize};
|
|
use std::collections::HashMap;
|
|
|
|
/// An unnormalized value for a parameter.
|
|
#[derive(Debug, Serialize, Deserialize)]
|
|
#[serde(rename_all = "snake_case")]
|
|
pub(crate) enum ParamValue {
|
|
F32(f32),
|
|
I32(i32),
|
|
}
|
|
|
|
/// A plugin's state so it can be restored at a later point.
|
|
#[derive(Debug, Serialize, Deserialize)]
|
|
#[serde(bound(deserialize = "'de: 'static"))]
|
|
pub(crate) struct State {
|
|
/// The plugin's parameter values. These are stored unnormalized. This mean sthe old values will
|
|
/// be recalled when when the parameter's range gets increased. Doing so may still mess with
|
|
/// parmaeter automation though, depending on how the host impelments that.
|
|
pub params: HashMap<&'static str, ParamValue>,
|
|
}
|