HexoDSP/tests/node_scope.rs
2022-07-27 19:05:12 +02:00

278 lines
9.8 KiB
Rust

// Copyright (c) 2022 Weird Constructor <weirdconstructor@gmail.com>
// This file is a part of HexoDSP. Released under GPL-3.0-or-later.
// See README.md and COPYING for details.
mod common;
use common::*;
use hexodsp::nodes::SCOPE_SAMPLES;
fn read_scope_buf(matrix: &Matrix, sig_idx: usize) -> (Vec<f32>, Vec<f32>, f32, f32) {
let handle = matrix.get_scope_handle(0).unwrap();
let mut min = vec![];
let mut max = vec![];
let mut total_min: f32 = 99999.9;
let mut total_max: f32 = -99999.9;
for i in 0..SCOPE_SAMPLES {
let (ma, mi) = handle.read(sig_idx, i);
min.push(mi);
max.push(ma);
total_min = total_min.min(mi);
total_max = total_max.max(ma);
}
(max, min, total_max, total_min)
}
#[test]
fn check_node_scope_inputs() {
for (sig_idx, inp_name) in ["in1", "in2", "in3"].iter().enumerate() {
let (node_conf, mut node_exec) = new_node_engine();
let mut matrix = Matrix::new(node_conf, 3, 3);
let mut chain = MatrixCellChain::new(CellDir::B);
chain
.node_out("amp", "sig")
.node_inp("scope", inp_name)
.set_denorm("time", (1000.0 / 44100.0) * (SCOPE_SAMPLES as f32))
.place(&mut matrix, 0, 0)
.unwrap();
matrix.sync().unwrap();
node_pset_d(&mut matrix, "amp", 0, "inp", 1.0);
let _res = run_for_ms(&mut node_exec, 11.0);
let (minv, maxv, max, min) = read_scope_buf(&matrix, sig_idx);
// This tests the smoothing ramp that is applied to setting the "inp" of the Amp(0) node:
assert_decimated_feq!(minv, 80, vec![0.0022, 0.1836, 0.3650, 0.5464, 0.7278, 0.9093, 1.0]);
assert_decimated_feq!(maxv, 80, vec![0.0022, 0.1836, 0.3650, 0.5464, 0.7278, 0.9093, 1.0]);
assert_float_eq!(min, 0.0);
assert_float_eq!(max, 1.0);
}
}
#[test]
fn check_node_scope_offs_gain_thrsh() {
let (node_conf, mut node_exec) = new_node_engine();
let mut matrix = Matrix::new(node_conf, 3, 3);
let mut chain = MatrixCellChain::new(CellDir::B);
chain.node_out("amp", "sig").node_inp("scope", "in1").place(&mut matrix, 0, 0).unwrap();
matrix.sync().unwrap();
node_pset_d(&mut matrix, "scope", 0, "off1", 0.1);
node_pset_d(&mut matrix, "scope", 0, "off2", 0.2);
node_pset_d(&mut matrix, "scope", 0, "off3", 0.3);
node_pset_d(&mut matrix, "scope", 0, "gain1", 2.0);
node_pset_d(&mut matrix, "scope", 0, "gain2", 3.0);
node_pset_d(&mut matrix, "scope", 0, "gain3", 4.0);
node_pset_d(&mut matrix, "scope", 0, "thrsh", 0.95);
node_pset_s(&mut matrix, "scope", 0, "tsrc", 1);
wait_params_smooth(&mut node_exec);
let handle = matrix.get_scope_handle(0).unwrap();
let _res = run_for_ms(&mut node_exec, 11.0);
let thres = handle.get_threshold().unwrap();
assert_float_eq!(thres, 0.95);
let (off, gain) = handle.get_offs_gain(0);
assert_float_eq!(off, 0.1);
assert_float_eq!(gain, 2.0);
let (off, gain) = handle.get_offs_gain(1);
assert_float_eq!(off, 0.2);
assert_float_eq!(gain, 3.0);
let (off, gain) = handle.get_offs_gain(2);
assert_float_eq!(off, 0.3);
assert_float_eq!(gain, 4.0);
}
#[test]
fn check_node_scope_sine_2hz() {
let (node_conf, mut node_exec) = new_node_engine();
let mut matrix = Matrix::new(node_conf, 3, 3);
let mut chain = MatrixCellChain::new(CellDir::B);
chain
.node_out("sin", "sig")
.set_denorm("freq", 2.0)
.node_io("amp", "inp", "sig")
.node_inp("scope", "in1")
.place(&mut matrix, 0, 0)
.unwrap();
matrix.sync().unwrap();
wait_params_smooth(&mut node_exec);
let _res = run_for_ms(&mut node_exec, 1000.0);
let (maxv, minv, max, min) = read_scope_buf(&matrix, 0);
// 2 Hz is exactly 2 sine peaks in 1000ms. 1000ms is the default time of the Scope.
assert_decimated_feq!(
maxv,
64,
vec![0.0264, 1.0, -0.0004, -0.99968, 0.02546, 1.0, -0.0011, -0.9996]
);
assert_decimated_feq!(
minv,
64,
vec![0.0016, 0.9996, -0.0249, -1.0, 0.0009, 0.9996, -0.0256, -0.9999]
);
assert_float_eq!(max, 1.0);
assert_float_eq!(min, -1.0);
// Now change timing to 500ms, so we expect one peak:
node_pset_d(&mut matrix, "scope", 0, "time", 500.0);
let _res = run_for_ms(&mut node_exec, 1000.0);
let (maxv, minv, max, min) = read_scope_buf(&matrix, 0);
// 2 Hz is exactly 1 sine peaks in 500ms.
assert_decimated_feq!(maxv, 128, vec![0.1494, 0.9905, -0.1371, -0.9887]);
assert_decimated_feq!(minv, 128, vec![0.1376, 0.9888, -0.1489, -0.9904]);
assert_float_eq!(max, 1.0);
assert_float_eq!(min, -1.0);
}
#[test]
fn check_node_scope_sine_oversampled() {
let (node_conf, mut node_exec) = new_node_engine();
let mut matrix = Matrix::new(node_conf, 3, 3);
let mut chain = MatrixCellChain::new(CellDir::B);
chain
.node_out("sin", "sig")
.set_denorm("freq", 440.0)
.node_io("amp", "inp", "sig")
.node_inp("scope", "in1")
.set_denorm("time", 1.0)
.place(&mut matrix, 0, 0)
.unwrap();
matrix.sync().unwrap();
wait_params_smooth(&mut node_exec);
let _res = run_for_ms(&mut node_exec, 1000.0);
let (maxv, _minv, max, min) = read_scope_buf(&matrix, 0);
assert_decimated_feq!(
maxv[0..25],
5,
// We expect multiple copies of the same sample at the
// time resolution of 1 millisecond.
vec![
0.4506, 0.4506, 0.4506, 0.3938, 0.3938, 0.3354, 0.3354, 0.2150, 0.2150, 0.1534, 0.1534,
0.1534,
]
);
// Full wave does not fit into the buffer at 1ms for 512 samples
assert_float_eq!(max, 0.9996);
assert_float_eq!(min, -0.5103);
}
#[test]
fn check_node_scope_sine_threshold() {
let (node_conf, mut node_exec) = new_node_engine();
let mut matrix = Matrix::new(node_conf, 3, 3);
let mut chain = MatrixCellChain::new(CellDir::B);
chain
.node_out("sin", "sig")
.set_denorm("freq", 10.0)
.node_io("amp", "inp", "sig")
.set_denorm("att", 0.9)
.node_inp("scope", "in1")
.set_denorm("time", 100.0)
.set_atom("tsrc", SAtom::setting(1))
.set_denorm("thrsh", 1.0)
.place(&mut matrix, 0, 0)
.unwrap();
matrix.sync().unwrap();
wait_params_smooth(&mut node_exec);
// Expect a sine that starts at the beginning, because the
// at the beginning of the Scope state it is basically "triggered"
// by default. That means it will record one full buffer at startup:
let _res = run_for_ms(&mut node_exec, 1000.0);
let (maxv, _minv, max, min) = read_scope_buf(&matrix, 0);
assert_decimated_feq!(maxv[0..35], 5, vec![0.0115, 0.06666, 0.1214, 0.1758]);
assert_float_eq!(max, 0.8999);
assert_float_eq!(min, -0.8999);
// Expect getting a waveform that starts at the top:
node_pset_d(&mut matrix, "scope", 0, "thrsh", 0.9 - 0.0002);
wait_params_smooth(&mut node_exec);
let _res = run_for_ms(&mut node_exec, 1000.0);
let (maxv, _minv, max, min) = read_scope_buf(&matrix, 0);
// Confirm we are starting at the threshold top:
assert_decimated_feq!(maxv[0..35], 5, vec![0.8999, 0.8988, 0.8942, 0.8864]);
assert_float_eq!(max, 0.8999);
assert_float_eq!(min, -0.8999);
// Expect frozen waveform:
node_pset_d(&mut matrix, "scope", 0, "thrsh", 1.0);
wait_params_smooth(&mut node_exec);
let _res = run_for_ms(&mut node_exec, 1000.0);
let (maxv, _minv, max, min) = read_scope_buf(&matrix, 0);
assert_decimated_feq!(maxv[0..35], 5, vec![0.8999, 0.8988, 0.8942, 0.8864]);
assert_float_eq!(max, 0.8999);
assert_float_eq!(min, -0.8999);
}
#[test]
fn check_node_scope_sine_ext_trig() {
let (node_conf, mut node_exec) = new_node_engine();
let mut matrix = Matrix::new(node_conf, 3, 3);
let mut chain = MatrixCellChain::new(CellDir::B);
chain
.node_out("sin", "sig")
.set_denorm("freq", 10.0)
.node_io("amp", "inp", "sig")
.set_denorm("att", 0.9)
.node_inp("scope", "in1")
.set_denorm("time", 100.0)
.set_atom("tsrc", SAtom::setting(2))
.set_denorm("thrsh", 0.0)
.place(&mut matrix, 0, 0)
.unwrap();
matrix.sync().unwrap();
wait_params_smooth(&mut node_exec);
// Expect a sine that starts at the beginning, because the
// at the beginning of the Scope state it is basically "triggered"
// by default. That means it will record one full buffer at startup:
let _res = run_for_ms(&mut node_exec, 1000.0);
let (maxv, _minv, max, min) = read_scope_buf(&matrix, 0);
assert_decimated_feq!(maxv[0..35], 5, vec![0.0115, 0.06666, 0.1214, 0.1758]);
assert_float_eq!(max, 0.8999);
assert_float_eq!(min, -0.8999);
// Expect the buffer to not change:
let _res = run_for_ms(&mut node_exec, 1000.0);
let (maxv, _minv, max, min) = read_scope_buf(&matrix, 0);
assert_decimated_feq!(maxv[0..35], 5, vec![0.0115, 0.06666, 0.1214, 0.1758]);
assert_float_eq!(max, 0.8999);
assert_float_eq!(min, -0.8999);
// Apply external trigger and expect the buffer to change:
node_pset_d(&mut matrix, "scope", 0, "trig", 1.0);
wait_params_smooth(&mut node_exec);
let _res = run_for_ms(&mut node_exec, 1000.0);
let (maxv, _minv, max, min) = read_scope_buf(&matrix, 0);
assert_decimated_feq!(maxv[0..35], 5, vec![0.7325241, 0.7631615, 0.7909356, 0.8157421]);
assert_float_eq!(max, 0.8999);
assert_float_eq!(min, -0.8999);
// Expect the buffer to not change, because the trigger has not reset/changed:
let _res = run_for_ms(&mut node_exec, 1000.0);
let (maxv, _minv, max, min) = read_scope_buf(&matrix, 0);
assert_decimated_feq!(maxv[0..35], 5, vec![0.7325241, 0.7631615, 0.7909356, 0.8157421]);
assert_float_eq!(max, 0.8999);
assert_float_eq!(min, -0.8999);
}