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); }