99 lines
2.7 KiB
Rust
99 lines
2.7 KiB
Rust
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use nih_plug::prelude::*;
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use std::pin::Pin;
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struct Stft {
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params: Pin<Box<StftParams>>,
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stft: util::StftHelper,
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}
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#[derive(Params)]
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struct StftParams {}
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impl Default for Stft {
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fn default() -> Self {
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Self {
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params: Box::pin(StftParams::default()),
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stft: util::StftHelper::new(2, 512),
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}
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}
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}
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impl Default for StftParams {
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fn default() -> Self {
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Self {}
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}
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}
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impl Plugin for Stft {
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const NAME: &'static str = "STFT Example";
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const VENDOR: &'static str = "Moist Plugins GmbH";
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const URL: &'static str = "https://youtu.be/dQw4w9WgXcQ";
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const EMAIL: &'static str = "info@example.com";
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const VERSION: &'static str = "0.0.1";
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const DEFAULT_NUM_INPUTS: u32 = 2;
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const DEFAULT_NUM_OUTPUTS: u32 = 2;
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const ACCEPTS_MIDI: bool = false;
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fn params(&self) -> Pin<&dyn Params> {
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self.params.as_ref()
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}
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fn accepts_bus_config(&self, config: &BusConfig) -> bool {
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// We'll only do stereo for simplicity's sake
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config.num_input_channels == config.num_output_channels && config.num_input_channels == 2
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}
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fn initialize(
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&mut self,
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_bus_config: &BusConfig,
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_buffer_config: &BufferConfig,
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context: &mut impl ProcessContext,
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) -> bool {
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// Normally we'd also initialize the STFT helper for the correct channel count here, but we
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// only do stereo so that's not necessary
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self.stft.set_block_size(512);
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context.set_latency_samples(self.stft.latency_samples());
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true
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}
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fn process(
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&mut self,
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buffer: &mut Buffer,
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_context: &mut impl ProcessContext,
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) -> ProcessStatus {
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self.stft.process(buffer, [], |block, _| {
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for channel_samples in block.iter_mut() {
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for sample in channel_samples {
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// TODO: Use the FFTW bindings and do some STFT operation here instead of
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// reducing the gain at a 512 sample latency...
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*sample *= 0.5;
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}
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}
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});
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ProcessStatus::Normal
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}
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}
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impl ClapPlugin for Stft {
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const CLAP_ID: &'static str = "com.moist-plugins-gmbh.stft";
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const CLAP_DESCRIPTION: &'static str = "An example plugin using the STFT helper";
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const CLAP_FEATURES: &'static [&'static str] = &["audio_effect", "stereo", "tool"];
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const CLAP_MANUAL_URL: &'static str = Self::URL;
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const CLAP_SUPPORT_URL: &'static str = Self::URL;
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}
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impl Vst3Plugin for Stft {
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const VST3_CLASS_ID: [u8; 16] = *b"StftMoistestPlug";
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const VST3_CATEGORIES: &'static str = "Fx|Tools";
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}
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nih_export_clap!(Stft);
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nih_export_vst3!(Stft);
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