2022-03-04 09:23:51 +11:00
|
|
|
use nih_plug::prelude::*;
|
2022-02-01 03:16:27 +11:00
|
|
|
use parking_lot::RwLock;
|
2022-01-26 09:02:15 +11:00
|
|
|
use std::pin::Pin;
|
2022-02-13 03:19:52 +11:00
|
|
|
use std::sync::Arc;
|
2022-01-26 09:02:15 +11:00
|
|
|
|
|
|
|
struct Gain {
|
|
|
|
params: Pin<Box<GainParams>>,
|
|
|
|
}
|
2022-01-26 08:18:55 +11:00
|
|
|
|
|
|
|
#[derive(Params)]
|
2022-01-26 09:02:15 +11:00
|
|
|
struct GainParams {
|
2022-01-30 06:40:14 +11:00
|
|
|
#[id = "gain"]
|
2022-01-26 09:02:15 +11:00
|
|
|
pub gain: FloatParam,
|
2022-01-31 02:16:15 +11:00
|
|
|
|
2022-03-04 06:37:01 +11:00
|
|
|
#[id = "stable"]
|
|
|
|
pub but_field_names_can_change: BoolParam,
|
2022-02-01 07:24:26 +11:00
|
|
|
|
2022-01-31 02:16:15 +11:00
|
|
|
/// This field isn't used in this exampleq, but anything written to the vector would be restored
|
|
|
|
/// together with a preset/state file saved for this plugin. This can be useful for storign
|
|
|
|
/// things like sample data.
|
|
|
|
#[persist = "industry_secrets"]
|
2022-01-31 03:07:50 +11:00
|
|
|
pub random_data: RwLock<Vec<f32>>,
|
2022-03-04 06:37:01 +11:00
|
|
|
|
2022-03-17 03:04:38 +11:00
|
|
|
/// You can also nest parameter structs. These will appear as a separate nested group if your
|
|
|
|
/// DAW displays parameters in a tree structure.
|
|
|
|
#[nested = "Subparameters"]
|
2022-03-04 06:37:01 +11:00
|
|
|
pub sub_params: SubParams,
|
|
|
|
}
|
|
|
|
|
|
|
|
#[derive(Params)]
|
|
|
|
struct SubParams {
|
|
|
|
#[id = "thing"]
|
|
|
|
pub nested_parameter: FloatParam,
|
2022-03-17 03:04:38 +11:00
|
|
|
|
|
|
|
#[nested = "Sub-Subparameters"]
|
|
|
|
pub sub_sub_params: SubSubParams,
|
|
|
|
}
|
|
|
|
|
|
|
|
#[derive(Params)]
|
|
|
|
struct SubSubParams {
|
|
|
|
#[id = "noope"]
|
|
|
|
pub nope: FloatParam,
|
2022-01-26 09:02:15 +11:00
|
|
|
}
|
|
|
|
|
|
|
|
impl Default for Gain {
|
|
|
|
fn default() -> Self {
|
|
|
|
Self {
|
2022-02-01 05:40:52 +11:00
|
|
|
params: Box::pin(GainParams::default()),
|
2022-01-26 09:02:15 +11:00
|
|
|
}
|
|
|
|
}
|
2022-01-26 08:18:55 +11:00
|
|
|
}
|
|
|
|
|
2022-01-26 09:02:15 +11:00
|
|
|
impl Default for GainParams {
|
2022-01-26 08:18:55 +11:00
|
|
|
fn default() -> Self {
|
|
|
|
Self {
|
2022-02-13 03:19:52 +11:00
|
|
|
// There are three ways to specify parameters:
|
|
|
|
//
|
|
|
|
// ...either manually specify all fields:
|
2022-01-26 09:02:15 +11:00
|
|
|
gain: FloatParam {
|
2022-01-27 01:11:23 +11:00
|
|
|
value: 0.0,
|
2022-02-06 12:36:31 +11:00
|
|
|
smoothed: Smoother::new(SmoothingStyle::Linear(50.0)),
|
2022-02-01 07:02:47 +11:00
|
|
|
value_changed: None,
|
2022-03-04 05:24:40 +11:00
|
|
|
range: FloatRange::Linear {
|
2022-01-26 09:02:15 +11:00
|
|
|
min: -30.0,
|
2022-01-27 01:11:23 +11:00
|
|
|
max: 30.0,
|
2022-01-26 08:18:55 +11:00
|
|
|
},
|
2022-02-14 02:43:11 +11:00
|
|
|
step_size: Some(0.01),
|
2022-01-26 09:02:15 +11:00
|
|
|
name: "Gain",
|
|
|
|
unit: " dB",
|
2022-02-14 02:43:11 +11:00
|
|
|
// This is actually redundant, because a step size of two decimal places already
|
|
|
|
// causes the parameter to shown rounded
|
2022-02-13 03:19:52 +11:00
|
|
|
value_to_string: Some(formatters::f32_rounded(2)),
|
2022-01-26 08:18:55 +11:00
|
|
|
string_to_value: None,
|
2022-02-13 03:19:52 +11:00
|
|
|
// ...or specify the fields you want to initialize directly and leave the other
|
|
|
|
// fields at their defaults:
|
|
|
|
// // ..Default::default(),
|
2022-01-26 08:18:55 +11:00
|
|
|
},
|
2022-02-13 03:19:52 +11:00
|
|
|
// ...or use the builder interface:
|
2022-03-04 06:37:01 +11:00
|
|
|
but_field_names_can_change: BoolParam::new("Important value", false).with_callback(
|
2022-02-13 03:19:52 +11:00
|
|
|
Arc::new(|_new_value: bool| {
|
|
|
|
// If, for instance, updating this parameter would require other parts of the
|
|
|
|
// plugin's internal state to be updated other values to also be updated, then
|
|
|
|
// you can use this callback to for instance modify an atomic in the plugin.
|
|
|
|
}),
|
|
|
|
),
|
|
|
|
// Persisted fields can be intialized like any other fields, and they'll keep their when
|
|
|
|
// restoring the plugin's state.
|
2022-01-31 03:07:50 +11:00
|
|
|
random_data: RwLock::new(Vec::new()),
|
2022-03-04 06:37:01 +11:00
|
|
|
sub_params: SubParams {
|
|
|
|
nested_parameter: FloatParam::new(
|
|
|
|
"Unused Nested Parameter",
|
|
|
|
0.5,
|
|
|
|
FloatRange::Skewed {
|
|
|
|
min: 2.0,
|
|
|
|
max: 2.4,
|
|
|
|
factor: FloatRange::skew_factor(2.0),
|
|
|
|
},
|
|
|
|
)
|
|
|
|
.with_value_to_string(formatters::f32_rounded(2)),
|
2022-03-17 03:04:38 +11:00
|
|
|
sub_sub_params: SubSubParams {
|
|
|
|
nope: FloatParam::new("Nope", 0.5, FloatRange::Linear { min: 1.0, max: 2.0 }),
|
|
|
|
},
|
2022-03-04 06:37:01 +11:00
|
|
|
},
|
2022-01-26 09:02:15 +11:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
impl Plugin for Gain {
|
2022-01-27 04:14:13 +11:00
|
|
|
const NAME: &'static str = "Gain";
|
|
|
|
const VENDOR: &'static str = "Moist Plugins GmbH";
|
|
|
|
const URL: &'static str = "https://youtu.be/dQw4w9WgXcQ";
|
|
|
|
const EMAIL: &'static str = "info@example.com";
|
|
|
|
|
2022-01-27 08:20:15 +11:00
|
|
|
const VERSION: &'static str = "0.0.1";
|
2022-01-27 05:49:22 +11:00
|
|
|
|
2022-01-26 09:02:15 +11:00
|
|
|
const DEFAULT_NUM_INPUTS: u32 = 2;
|
|
|
|
const DEFAULT_NUM_OUTPUTS: u32 = 2;
|
|
|
|
|
2022-02-04 11:09:09 +11:00
|
|
|
const ACCEPTS_MIDI: bool = false;
|
2022-03-11 06:18:42 +11:00
|
|
|
// Setting this to `true` will tell the wrapper to split the buffer up into smaller blocks
|
|
|
|
// whenever there are inter-buffer parameter changes. This way no changes to the plugin are
|
|
|
|
// required to support sample accurate automation and the wrapper handles all of the boring
|
|
|
|
// stuff like making sure transport and other timing information stays consistent between the
|
|
|
|
// splits.
|
2022-03-11 04:57:17 +11:00
|
|
|
const SAMPLE_ACCURATE_AUTOMATION: bool = true;
|
2022-02-04 11:09:09 +11:00
|
|
|
|
2022-01-26 09:02:15 +11:00
|
|
|
fn params(&self) -> Pin<&dyn Params> {
|
2022-01-26 21:41:07 +11:00
|
|
|
self.params.as_ref()
|
2022-01-26 09:02:15 +11:00
|
|
|
}
|
|
|
|
|
|
|
|
fn accepts_bus_config(&self, config: &BusConfig) -> bool {
|
|
|
|
// This works with any symmetrical IO layout
|
|
|
|
config.num_input_channels == config.num_output_channels && config.num_input_channels > 0
|
|
|
|
}
|
|
|
|
|
2022-03-08 10:42:58 +11:00
|
|
|
// This plugin doesn't need any special initialization, but if you need to do anything expensive
|
|
|
|
// then this would be the place. State is kept around while when the host reconfigures the
|
|
|
|
// plugin. If we did need special initialization, we could implement the `initialize()` and/or
|
|
|
|
// `reset()` methods
|
2022-01-26 09:02:15 +11:00
|
|
|
|
2022-02-05 09:03:11 +11:00
|
|
|
fn process(
|
|
|
|
&mut self,
|
|
|
|
buffer: &mut Buffer,
|
|
|
|
_context: &mut impl ProcessContext,
|
|
|
|
) -> ProcessStatus {
|
2022-03-10 06:11:37 +11:00
|
|
|
for channel_samples in buffer.iter_samples() {
|
2022-02-03 07:08:23 +11:00
|
|
|
// Smoothing is optionally built into the parameters themselves
|
|
|
|
let gain = self.params.gain.smoothed.next();
|
|
|
|
|
2022-03-04 07:38:50 +11:00
|
|
|
for sample in channel_samples {
|
2022-02-03 07:08:23 +11:00
|
|
|
*sample *= util::db_to_gain(gain);
|
2022-01-26 09:02:15 +11:00
|
|
|
}
|
2022-01-26 08:18:55 +11:00
|
|
|
}
|
2022-01-28 07:03:49 +11:00
|
|
|
|
|
|
|
ProcessStatus::Normal
|
2022-01-26 08:18:55 +11:00
|
|
|
}
|
|
|
|
}
|
2022-01-26 22:37:45 +11:00
|
|
|
|
2022-03-01 03:04:39 +11:00
|
|
|
impl ClapPlugin for Gain {
|
|
|
|
const CLAP_ID: &'static str = "com.moist-plugins-gmbh.gain";
|
2022-03-01 03:18:11 +11:00
|
|
|
const CLAP_DESCRIPTION: &'static str = "A smoothed gain parameter example plugin";
|
2022-03-01 03:29:53 +11:00
|
|
|
const CLAP_FEATURES: &'static [&'static str] = &["audio_effect", "mono", "stereo", "tool"];
|
2022-03-01 03:18:11 +11:00
|
|
|
const CLAP_MANUAL_URL: &'static str = Self::URL;
|
|
|
|
const CLAP_SUPPORT_URL: &'static str = Self::URL;
|
2022-03-01 03:04:39 +11:00
|
|
|
}
|
2022-03-01 00:45:07 +11:00
|
|
|
|
2022-01-28 08:13:13 +11:00
|
|
|
impl Vst3Plugin for Gain {
|
|
|
|
const VST3_CLASS_ID: [u8; 16] = *b"GainMoistestPlug";
|
|
|
|
const VST3_CATEGORIES: &'static str = "Fx|Dynamics";
|
|
|
|
}
|
|
|
|
|
2022-03-01 00:45:31 +11:00
|
|
|
nih_export_clap!(Gain);
|
2022-01-28 08:13:13 +11:00
|
|
|
nih_export_vst3!(Gain);
|