some sort of ui
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@@ -1,114 +1,120 @@
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use std::sync::Arc;
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use std::sync::atomic::{AtomicU32, Ordering};
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use std::sync::atomic::Ordering;
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use atomic_float::AtomicF32;
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
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#[repr(usize)]
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#[allow(dead_code)]
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pub enum ParamId {
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// Master
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MasterVolume = 0,
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MasterPan,
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// Oscillator 1
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Osc1Volume,
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// OSC 1-3
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Osc1Gain = 0,
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Osc1Pan,
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Osc1Pitch,
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Osc1Semitone,
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Osc1Fine,
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Osc1WavePos,
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Osc1UnisonVoices,
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Osc1UnisonCount,
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Osc1UnisonDetune,
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Osc1UnisonSpread,
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Osc1WavePos,
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// Oscillator 2
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Osc2Volume,
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Osc2Gain,
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Osc2Pan,
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Osc2Pitch,
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Osc2Semitone,
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Osc2Fine,
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Osc2WavePos,
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Osc2UnisonVoices,
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Osc2UnisonCount,
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Osc2UnisonDetune,
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Osc2UnisonSpread,
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Osc2WavePos,
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// Oscillator 3
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Osc3Volume,
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Osc3Gain,
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Osc3Pan,
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Osc3Pitch,
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Osc3Semitone,
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Osc3Fine,
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Osc3WavePos,
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Osc3UnisonVoices,
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Osc3UnisonCount,
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Osc3UnisonDetune,
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Osc3UnisonSpread,
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Osc3WavePos,
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// Envelope 1 (amplitude)
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// ENV 1-3
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Env1Delay,
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Env1Attack,
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Env1Hold,
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Env1Decay,
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Env1Sustain,
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Env1Release,
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Env1AttackCurve,
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Env1DecayCurve,
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Env1ReleaseCurve,
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// Envelope 2
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Env2Delay,
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Env2Attack,
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Env2Hold,
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Env2Decay,
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Env2Sustain,
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Env2Release,
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Env2AttackCurve,
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Env2DecayCurve,
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Env2ReleaseCurve,
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// Envelope 3
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Env3Delay,
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Env3Attack,
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Env3Hold,
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Env3Decay,
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Env3Sustain,
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Env3Release,
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Env3AttackCurve,
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Env3DecayCurve,
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Env3ReleaseCurve,
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// LFO 1–4
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// LFO 1-4
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Lfo1Rate,
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Lfo1Depth,
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Lfo1Phase,
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Lfo1Depth,
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Lfo1WavePos,
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Lfo1Sync,
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Lfo2Rate,
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Lfo2Depth,
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Lfo2Phase,
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Lfo2Depth,
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Lfo2WavePos,
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Lfo2Sync,
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Lfo3Rate,
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Lfo3Depth,
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Lfo3Phase,
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Lfo3Depth,
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Lfo3WavePos,
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Lfo3Sync,
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Lfo4Rate,
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Lfo4Depth,
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Lfo4Phase,
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Lfo4Depth,
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Lfo4WavePos,
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Lfo4Sync,
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// Filter 1
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// Filter 1-2
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Filter1Cutoff,
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Filter1Resonance,
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Filter1Drive,
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Filter1Keytrack,
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// Filter 2
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Filter1Type,
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Filter2Cutoff,
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Filter2Resonance,
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Filter2Drive,
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Filter2Keytrack,
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Filter2Type,
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// FX — Chorus
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// FX
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DistDrive,
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DistType,
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ChorusRate,
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ChorusDepth,
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ChorusMix,
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// FX — Reverb
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PhaserRate,
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PhaserDepth,
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PhaserMix,
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ReverbSize,
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ReverbDamping,
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ReverbMix,
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// FX — Delay
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DelayTime,
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DelayFeedback,
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DelayMix,
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// FX — Distortion
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DistortionDrive,
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DistortionMix,
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// FX — EQ
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EqLowGain,
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EqMidFreq,
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EqMidGain,
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@@ -124,83 +130,96 @@ pub enum ParamId {
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Macro7,
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Macro8,
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// Master
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MasterVolume,
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MasterPan,
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Polyphony,
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PortamentoTime,
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PortamentoMode,
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Count,
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}
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pub const PARAM_COUNT: usize = ParamId::Count as usize;
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impl ParamId {
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pub const COUNT: usize = ParamId::Count as usize;
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pub fn default_value(id: ParamId) -> f32 {
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use ParamId::*;
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match id {
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MasterVolume => 0.8,
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MasterPan => 0.5,
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pub fn default_value(self) -> f32 {
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match self {
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Self::Osc1Gain | Self::Osc2Gain | Self::Osc3Gain => 1.0,
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Self::MasterVolume => 1.0,
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Self::Filter1Cutoff | Self::Filter2Cutoff => 1.0,
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Self::Filter1Resonance | Self::Filter2Resonance => 0.0,
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Self::Env1Sustain | Self::Env2Sustain | Self::Env3Sustain => 1.0,
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Self::Env1Attack | Self::Env2Attack | Self::Env3Attack => 0.01,
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Self::Env1Decay | Self::Env2Decay | Self::Env3Decay => 0.3,
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Self::Env1Release | Self::Env2Release | Self::Env3Release => 0.3,
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Self::Polyphony => 1.0, // normalized: 1.0 = 16 voices
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Self::ReverbMix => 0.15,
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Self::ChorusMix => 0.0,
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_ => 0.0,
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}
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}
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Osc1Volume => 0.8,
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Osc2Volume | Osc3Volume => 0.0, // off by default
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Osc1Pan | Osc2Pan | Osc3Pan => 0.5,
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Osc1Pitch | Osc2Pitch | Osc3Pitch => 0.5,
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Osc1Fine | Osc2Fine | Osc3Fine => 0.5,
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Env1Attack | Env2Attack | Env3Attack => 0.02,
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Env1Decay | Env2Decay | Env3Decay => 0.30,
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Env1Sustain | Env2Sustain | Env3Sustain => 0.70,
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Env1Release | Env2Release | Env3Release => 0.35,
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Filter1Cutoff | Filter2Cutoff => 1.0,
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Filter1Keytrack | Filter2Keytrack => 0.0,
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Lfo1Rate | Lfo2Rate | Lfo3Rate | Lfo4Rate => 0.3,
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_ => 0.0,
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pub fn label(self) -> &'static str {
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match self {
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Self::Osc1Gain => "Gain",
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Self::Osc1Pan => "Pan",
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Self::Osc1Semitone => "Semi",
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Self::Osc1Fine => "Fine",
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Self::Osc1UnisonCount => "Voices",
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Self::Osc1UnisonDetune => "Detune",
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Self::Osc1UnisonSpread => "Spread",
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Self::Osc1WavePos => "Wave",
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Self::Filter1Cutoff => "Cutoff",
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Self::Filter1Resonance => "Res",
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Self::Filter1Drive => "Drive",
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Self::Filter1Keytrack => "Key",
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Self::Env1Attack => "A",
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Self::Env1Decay => "D",
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Self::Env1Sustain => "S",
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Self::Env1Release => "R",
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Self::Lfo1Rate => "Rate",
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Self::Lfo1Depth => "Depth",
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Self::Macro1 => "M1",
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Self::Macro2 => "M2",
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Self::Macro3 => "M3",
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Self::Macro4 => "M4",
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Self::Macro5 => "M5",
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Self::Macro6 => "M6",
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Self::Macro7 => "M7",
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Self::Macro8 => "M8",
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Self::MasterVolume => "Vol",
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_ => "—",
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}
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}
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}
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#[derive(Clone)]
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pub struct ParamStore {
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data: Arc<[AtomicU32]>,
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params: Arc<Box<[AtomicF32]>>,
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}
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impl ParamStore {
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pub fn new() -> Self {
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let data: Arc<[AtomicU32]> = (0..PARAM_COUNT)
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let params = (0..ParamId::COUNT)
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.map(|i| {
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let id: ParamId = unsafe { std::mem::transmute(i) };
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AtomicU32::new(default_value(id).to_bits())
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AtomicF32::new(id.default_value())
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})
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.collect::<Vec<_>>()
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.into();
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Self { data }
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.into_boxed_slice();
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Self {
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params: Arc::new(params),
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}
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}
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#[inline(always)]
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#[inline]
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pub fn get(&self, id: ParamId) -> f32 {
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f32::from_bits(self.data[id as usize].load(Ordering::Relaxed))
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self.params[id as usize].load(Ordering::Relaxed)
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}
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#[inline(always)]
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pub fn set(&self, id: ParamId, value: f32) {
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debug_assert!((0.0..=1.0).contains(&value), "param out of range: {value}");
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self.data[id as usize].store(value.to_bits(), Ordering::Relaxed);
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}
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pub fn reset_to_defaults(&self) {
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for i in 0..PARAM_COUNT {
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let id: ParamId = unsafe { std::mem::transmute(i) };
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self.data[i].store(default_value(id).to_bits(), Ordering::Relaxed);
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}
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}
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pub fn snapshot(&self) -> Vec<f32> {
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(0..PARAM_COUNT)
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.map(|i| f32::from_bits(self.data[i].load(Ordering::Relaxed)))
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.collect()
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}
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pub fn restore(&self, values: &[f32]) {
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assert_eq!(values.len(), PARAM_COUNT, "snapshot length mismatch");
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for (i, &v) in values.iter().enumerate() {
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self.data[i].store(v.to_bits(), Ordering::Relaxed);
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}
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#[inline]
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pub fn set(&self, id: ParamId, v: f32) {
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self.params[id as usize].store(v, Ordering::Relaxed);
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}
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}
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@@ -209,70 +228,3 @@ impl Default for ParamStore {
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Self::new()
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}
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}
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pub struct ParamMeta {
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pub name: &'static str,
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pub label: &'static str,
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pub steps: Option<u32>,
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}
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pub fn param_meta(id: ParamId) -> ParamMeta {
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use ParamId::*;
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match id {
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MasterVolume => ParamMeta {
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name: "Master Volume",
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label: "%",
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steps: None,
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},
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MasterPan => ParamMeta {
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name: "Master Pan",
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label: "",
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steps: None,
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},
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Osc1Pitch => ParamMeta {
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name: "Osc1 Pitch",
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label: "st",
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steps: Some(96),
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},
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Filter1Cutoff => ParamMeta {
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name: "Filter1 Cutoff",
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label: "Hz",
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steps: None,
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},
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Filter1Resonance => ParamMeta {
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name: "Filter1 Res",
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label: "",
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steps: None,
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},
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Env1Attack => ParamMeta {
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name: "Env1 Attack",
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label: "s",
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steps: None,
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},
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Env1Decay => ParamMeta {
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name: "Env1 Decay",
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label: "s",
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steps: None,
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},
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Env1Sustain => ParamMeta {
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name: "Env1 Sustain",
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label: "%",
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steps: None,
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},
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Env1Release => ParamMeta {
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name: "Env1 Release",
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label: "s",
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steps: None,
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},
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Macro1 => ParamMeta {
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name: "Macro 1",
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label: "",
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steps: None,
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},
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_ => ParamMeta {
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name: "?",
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label: "",
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steps: None,
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},
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}
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}
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