60 lines
2.4 KiB
Rust
60 lines
2.4 KiB
Rust
mod common;
|
|
use common::*;
|
|
|
|
#[test]
|
|
fn check_node_allp() {
|
|
let (node_conf, mut node_exec) = new_node_engine();
|
|
let mut matrix = Matrix::new(node_conf, 4, 4);
|
|
|
|
let test = NodeId::Test(0);
|
|
let ap = NodeId::AllP(0);
|
|
let out = NodeId::Out(0);
|
|
matrix.place(0, 0, Cell::empty(test)
|
|
.out(None, None, test.out("tsig")));
|
|
matrix.place(0, 1, Cell::empty(ap)
|
|
.input(ap.inp("inp"), None, None)
|
|
.out(None, None, ap.out("sig")));
|
|
matrix.place(0, 2, Cell::empty(out)
|
|
.input(out.inp("ch1"), None, None)
|
|
.out(None, None, None));
|
|
matrix.place(1, 0, Cell::empty(test)
|
|
.out(None, None, test.out("tsig")));
|
|
matrix.place(1, 1, Cell::empty(out)
|
|
.input(out.inp("ch2"), None, None)
|
|
.out(None, None, None));
|
|
pset_d(&mut matrix, ap, "time", 3.0);
|
|
matrix.sync().unwrap();
|
|
|
|
pset_s(&mut matrix, test, "trig", 1);
|
|
|
|
let res = run_for_ms(&mut node_exec, 20.0);
|
|
|
|
// the original signal on ch2: 2ms trigger up:
|
|
let mut v = vec![1.0; (2.0 * 44.1_f32).ceil() as usize];
|
|
v.append(&mut vec![0.0; (18.0 * 44.1_f32).ceil() as usize]);
|
|
assert_vec_feq!(res.1, v);
|
|
|
|
// now signal on ch1 from the allpass:
|
|
// starts with original signal * -0.7
|
|
let mut v = vec![-0.7; (2.0 * 44.1_f32).ceil() as usize];
|
|
// silence for 1ms, which is the internal delay of the allpass
|
|
v.append(&mut vec![0.0; (1.0 * 44.1_f32).floor() as usize - 3]);
|
|
|
|
// allpass feedback of the original signal for 2ms:
|
|
// XXX: the smearing before and after the allpass is due to the
|
|
// cubic interpolation!
|
|
v.append(&mut vec![-0.03150302, 0.25802, 1.0735]);
|
|
v.append(&mut vec![1.0; (2.0 * 44.1_f32).ceil() as usize - 3]);
|
|
v.append(&mut vec![1.0315, 0.7419, -0.0735]);
|
|
// 1ms allpass silence like before:
|
|
v.append(&mut vec![0.0; (1.0 * 44.1_f32).floor() as usize - 6]);
|
|
|
|
// 2ms the previous 1.0 * 0.7 fed back into the filter,
|
|
// including even more smearing due to cubic interpolation:
|
|
v.append(&mut vec![0.0006, -0.0120, 0.0106, 0.3444, 0.7801, 0.6962]);
|
|
v.append(&mut vec![0.7; (2.0 * 44.1_f32).floor() as usize - 5]);
|
|
v.append(&mut vec![0.6993, 0.712, 0.6893, 0.3555, -0.0801, 0.0037]);
|
|
|
|
//d// println!("res={:?}", res.1);
|
|
assert_vec_feq!(res.0, v);
|
|
}
|