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pub mod source_env;
pub mod exp_perc_envelope;
pub mod linear_asr_envelope;
pub mod multi_point_envelope;
pub use crate::building_blocks::envelopes::exp_perc_envelope::ExpPercEnvelope;
pub use crate::building_blocks::envelopes::linear_asr_envelope::LinearASREnvelope;
pub use crate::building_blocks::envelopes::multi_point_envelope::MultiPointEffectEnvelope;
// TEST TEST TEST
#[cfg(test)]
mod tests {
// Note this useful idiom: importing names from outer (for mod tests) scope.
use super::*;
use crate::building_blocks::{MonoEffect, SynthParameterLabel, SynthParameterValue};
/// test the general workings of the ASREnvelope
#[test]
fn test_asr_envelope() {
let test_block: [f32; 128] = [1.0; 128];
// half a block attack, one block sustain, half a block release ... 2 blocks total .
let mut env = LinearASREnvelope::<128>::new(0.5, 0.0014512, 0.0029024, 0.0014512, 44100.0);
let out_1: [f32; 128] = env.process_block(test_block, 0, &Vec::new());
let out_2: [f32; 128] = env.process_block(test_block, 0, &Vec::new());
// comparison
let mut comp_block_1: [f32; 128] = [0.0; 128];
let mut comp_block_2: [f32; 128] = [0.0; 128];
let mut gain = 0.0;
let gain_inc_dec = 0.5 / 64.0;
// fill comp blocks
for i in 0..64 {
comp_block_1[i] = test_block[i] * gain;
gain += gain_inc_dec;
}
for i in 0..64 {
comp_block_1[64 + i] = test_block[64 + i] * gain;
}
for i in 0..64 {
comp_block_2[i] = test_block[i] * gain;
}
for i in 0..64 {
gain -= gain_inc_dec;
comp_block_2[64 + i] = test_block[64 + i] * gain;
}
for i in 0..128 {
//println!("{} {}", out_1[i], comp_block_1[i]);
assert_approx_eq::assert_approx_eq!(out_1[i], comp_block_1[i], 0.00001);
}
for i in 0..128 {
//println!("{} {}", out_2[i], comp_block_2[i]);
assert_approx_eq::assert_approx_eq!(out_2[i], comp_block_2[i], 0.00001);
}
}
/// test the parameter setter of the envelope
#[test]
fn test_asr_envelope_set_params() {
let test_block: [f32; 128] = [1.0; 128];
// half a block attack, one block sustain, half a block release ... 2 blocks total .
let mut env = LinearASREnvelope::<128>::new(0.0, 0.0, 0.0, 0.0, 44100.0);
// use paramter setter to set parameters ...
env.set_parameter(
SynthParameterLabel::Attack,
&SynthParameterValue::ScalarF32(0.0014512),
);
env.set_parameter(
SynthParameterLabel::Sustain,
&SynthParameterValue::ScalarF32(0.0029024),
);
env.set_parameter(
SynthParameterLabel::Release,
&SynthParameterValue::ScalarF32(0.0014512),
);
env.set_parameter(
SynthParameterLabel::EnvelopeLevel,
&SynthParameterValue::ScalarF32(0.5),
);
let out_1: [f32; 128] = env.process_block(test_block, 0, &Vec::new());
let out_2: [f32; 128] = env.process_block(test_block, 0, &Vec::new());
// comparison
let mut comp_block_1: [f32; 128] = [0.0; 128];
let mut comp_block_2: [f32; 128] = [0.0; 128];
let mut gain = 0.0;
let gain_inc_dec = 0.5 / 64.0;
// fill comp blocks
for i in 0..64 {
comp_block_1[i] = test_block[i] * gain;
gain += gain_inc_dec;
}
for i in 0..64 {
comp_block_1[64 + i] = test_block[64 + i] * gain;
}
for i in 0..64 {
comp_block_2[i] = test_block[i] * gain;
}
for i in 0..64 {
gain -= gain_inc_dec;
comp_block_2[64 + i] = test_block[64 + i] * gain;
}
for i in 0..128 {
//println!("{} {}", out_1[i], comp_block_1[i]);
assert_approx_eq::assert_approx_eq!(out_1[i], comp_block_1[i], 0.00001);
}
for i in 0..128 {
//println!("{} {}", out_2[i], comp_block_2[i]);
assert_approx_eq::assert_approx_eq!(out_2[i], comp_block_2[i], 0.00001);
}
}
#[test]
fn test_asr_envelope_short_intervals_with_offset() {
let test_block: [f32; 128] = [1.0; 128];
// let this one start at the beginning of a block
let mut env_at_start = LinearASREnvelope::<128>::new(0.0, 0.0, 0.0, 0.0, 44100.0);
// let this one start somewhere in the block
let mut env_with_offset = LinearASREnvelope::<128>::new(0.0, 0.0, 0.0, 0.0, 44100.0);
// use paramter setter to set parameters ...
println!("Set parameters for env at start:");
env_at_start.set_parameter(
SynthParameterLabel::EnvelopeLevel,
&SynthParameterValue::ScalarF32(1.0),
);
env_at_start.set_parameter(
SynthParameterLabel::Attack,
&SynthParameterValue::ScalarF32(0.001),
);
env_at_start.set_parameter(
SynthParameterLabel::Sustain,
&SynthParameterValue::ScalarF32(0.019),
);
env_at_start.set_parameter(
SynthParameterLabel::Release,
&SynthParameterValue::ScalarF32(0.07),
);
println!("\nSet parameters for env with offset:\n");
env_with_offset.set_parameter(
SynthParameterLabel::EnvelopeLevel,
&SynthParameterValue::ScalarF32(1.0),
);
env_with_offset.set_parameter(
SynthParameterLabel::Attack,
&SynthParameterValue::ScalarF32(0.001),
);
env_with_offset.set_parameter(
SynthParameterLabel::Sustain,
&SynthParameterValue::ScalarF32(0.019),
);
env_with_offset.set_parameter(
SynthParameterLabel::Release,
&SynthParameterValue::ScalarF32(0.07),
);
let mut out_start = env_at_start.process_block(test_block, 0, &Vec::new());
let mut out_offset = env_with_offset.process_block(test_block, 60, &Vec::new());
// calculate 34 blocks
for _ in 0..34 {
for i in 0..68 {
//print!("{} {} - ", out_start[i], out_offset[i + 60]);
assert_approx_eq::assert_approx_eq!(out_start[i], out_offset[i + 60], 0.00001);
}
//println!{" block {}.1 done \n", i};
out_offset = env_with_offset.process_block(test_block, 0, &Vec::new());
for i in 68..128 {
//print!("{} {} - ", out_start[i], out_offset[i - 68]);
assert_approx_eq::assert_approx_eq!(out_start[i], out_offset[i - 68], 0.00001);
}
//println!{" block {}.2 done \n", i};
out_start = env_at_start.process_block(test_block, 0, &Vec::new());
}
}
#[test]
fn perc_exp_smoke_test() {
let mut exp_env = ExpPercEnvelope::<128>::new(1.0, 0.05, 0.0, 1.0, 16000.0);
let test_block: [f32; 128] = [1.0; 128];
let mut out = Vec::new();
for _ in 0..132 {
let env_out = exp_env.process_block(test_block, 0, &Vec::new());
out.extend_from_slice(&env_out);
}
assert_approx_eq::assert_approx_eq!(out[0], 0.0, 0.00001);
assert_approx_eq::assert_approx_eq!(out[800], 1.0, 0.00001);
assert_approx_eq::assert_approx_eq!(out[16800], 0.0, 0.00001);
for sample in out.iter() {
assert!(*sample >= 0.0);
assert!(*sample <= 1.0);
}
}
/*
#[test]
fn test_multi_point_effect_env() {
let segments_lin = vec![
EnvelopeSegmentInfo {
from: 0.0,
to: 100.0,
time: 0.1,
segment_type: EnvelopeSegmentType::Lin,
},
EnvelopeSegmentInfo {
from: 100.0,
to: 100.0,
time: 0.3,
segment_type: EnvelopeSegmentType::Constant,
},
EnvelopeSegmentInfo {
from: 100.0,
to: 0.0,
time: 0.1,
segment_type: EnvelopeSegmentType::Lin,
},
];
let mut mpenv_lin = MultiPointEffectEnvelope::<512>::empty(44100.0);
let segments_log = vec![
EnvelopeSegmentInfo {
from: 0.0,
to: 100.0,
time: 0.1,
segment_type: EnvelopeSegmentType::Log,
},
EnvelopeSegmentInfo {
from: 100.0,
to: 100.0,
time: 0.3,
segment_type: EnvelopeSegmentType::Constant,
},
EnvelopeSegmentInfo {
from: 100.0,
to: 0.0,
time: 0.1,
segment_type: EnvelopeSegmentType::Log,
},
];
let mut mpenv_log = MultiPointEffectEnvelope::<512>::empty(44100.0);
let segments_sin = vec![
EnvelopeSegmentInfo {
from: 0.0,
to: 100.0,
time: 0.1,
segment_type: EnvelopeSegmentType::Sin,
},
EnvelopeSegmentInfo {
from: 100.0,
to: 100.0,
time: 0.3,
segment_type: EnvelopeSegmentType::Constant,
},
EnvelopeSegmentInfo {
from: 100.0,
to: 0.0,
time: 0.1,
segment_type: EnvelopeSegmentType::Cos,
},
];
let mut mpenv_sin = MultiPointEffectEnvelope::<512>::empty(44100.0);
mpenv_lin.set_parameter(
SynthParameterLabel::Envelope,
&SynthParameterValue::MultiPointEnvelope(
segments_lin,
false,
crate::building_blocks::ValOp::Replace,
),
);
mpenv_log.set_parameter(
SynthParameterLabel::Envelope,
&SynthParameterValue::MultiPointEnvelope(
segments_log,
false,
crate::building_blocks::ValOp::Replace,
),
);
mpenv_sin.set_parameter(
SynthParameterLabel::Envelope,
&SynthParameterValue::MultiPointEnvelope(
segments_sin,
false,
crate::building_blocks::ValOp::Replace,
),
);
let in_block = [1.0; 512];
let num_blocks = (0.6 * 44100.0 / 512.0) as usize;
for _ in 0..num_blocks {
let block_lin = mpenv_lin.process_block(in_block, 0, &Vec::new());
let block_log = mpenv_log.process_block(in_block, 0, &Vec::new());
let block_sin = mpenv_sin.process_block(in_block, 0, &Vec::new());
//let block = mpenv.get_next_block(0, &Vec::new());
for i in 0..512 {
let a = block_lin[i];
let b = block_log[i];
let c = block_sin[i];
debug_plotter::plot!(a,b,c where caption = "MultiPointTestComp");
}
}
}
#[test]
fn test_compare_lin_asr_multipoint() {
let test_block: [f32; 512] = [1.0; 512];
// half a block attack, one block sustain, half a block release ... 2 blocks total .
let mut env1 = LinearASREnvelope::<512>::new(1.0, 0.0, 1.0, 0.0, 44100.0);
let mut env2 = multi_point_envelope::MultiPointEffectEnvelope::<512>::empty(44100.0);
env2.set_parameter(
SynthParameterLabel::Envelope,
&SynthParameterValue::MultiPointEnvelope(
vec![
EnvelopeSegmentInfo {
from: 0.0,
to: 1.0,
time: 0.000025,
segment_type: EnvelopeSegmentType::Lin,
},
EnvelopeSegmentInfo {
from: 1.0,
to: 1.0,
time: 1.0,
segment_type: EnvelopeSegmentType::Constant,
},
EnvelopeSegmentInfo {
from: 1.0,
to: 0.0,
time: 0.0,
segment_type: EnvelopeSegmentType::Lin,
},
],
false,
ValOp::Replace,
),
);
let num_blocks = 44100 / 512 + 1;
for i in 0..num_blocks {
let out1 = env1.process_block(test_block, 0, &Vec::new());
let out2 = env2.process_block(test_block, 0, &Vec::new());
if i == num_blocks - 1 {
for i in 60..80 {
let a = out1[i];
let b = out2[i];
debug_plotter::plot!(a, b where caption = "MultiPointCompare");
}
}
}
}
*/
}