Skip to main content

secs_engine/
setup.rs

1//! Constructor normalisation, in upstream dictionary order.
2//! Upstream: `CorrectionEngine.__init__` (`correction_engine.py:418–489`).
3
4use crate::grid::SR_F;
5use crate::input::{BandType, EngineConfig, LayoutKind, Peq, SubManual, SubMode};
6
7#[derive(Debug, Clone, PartialEq)]
8pub struct SubFilter {
9    pub hp_hz: f64,
10    pub hp_type: BandType,
11    pub lp_hz: f64,
12    pub lp_type: BandType,
13    pub peq: Vec<Peq>,
14}
15
16#[derive(Debug, Clone, PartialEq)]
17pub struct Layout {
18    pub kind: LayoutKind,
19    pub rear_trim_ms: f64,
20    pub members: Vec<String>,
21}
22
23#[derive(Debug, Clone)]
24pub struct Setup {
25    pub sub_manual: Vec<(String, SubManual)>,
26    pub sub_filters: Vec<(String, SubFilter)>,
27    pub layouts: Vec<(String, Layout)>,
28    pub lift_ms: f64,
29    pub lift_capped_from_ms: Option<f64>,
30    pub max_latency_ms: f64,
31    pub rc_lo: f64,
32    pub rc_hi_manual: Option<f64>,
33    pub rc_hi: f64,
34    pub rc_bands: Vec<(f64, f64)>,
35    /// ADR 0025 switches; the agreement probe clears both.
36    pub lf_align: bool,
37    pub mode_decay: bool,
38    /// ADR 0030; the agreement probe also clears this switch.
39    pub hf_phase: bool,
40    pub peq_bands: usize,
41}
42
43impl Setup {
44    pub fn new(config: &EngineConfig) -> Self {
45        let sub_manual: Vec<_> = config
46            .sub_manual
47            .iter()
48            .filter(|(r, _)| config.subs.contains(r))
49            .cloned()
50            .collect();
51        let mut sub_filters: Vec<_> = sub_manual
52            .iter()
53            .filter_map(|(r, m)| {
54                let peq: Vec<_> = m.peq.iter().copied().filter(|b| b.2 != 0.0).collect();
55                (m.hp_hz > 0.0 || m.lp_hz > 0.0 || !peq.is_empty()).then(|| {
56                    (
57                        r.clone(),
58                        SubFilter {
59                            hp_hz: m.hp_hz,
60                            hp_type: m.hp_type,
61                            lp_hz: m.lp_hz,
62                            lp_type: m.lp_type,
63                            peq,
64                        },
65                    )
66                })
67            })
68            .collect();
69        let mut layouts = Vec::new();
70        for (name, layout) in &config.bundle_layouts {
71            let members: Vec<_> = config
72                .subs
73                .iter()
74                .filter(|r| {
75                    sub_manual.iter().any(|(role, m)| {
76                        role == *r
77                            && m.mode == SubMode::Bundle
78                            && (if m.bundle.is_empty() { "A" } else { &m.bundle }) == name
79                    })
80                })
81                .cloned()
82                .collect();
83            let Some(first) = members.first() else {
84                continue;
85            };
86            let lead = sub_filters
87                .iter()
88                .find(|(r, _)| r == first)
89                .map(|(_, f)| f.clone());
90            for r in &members[1..] {
91                if let Some(filter) = &lead {
92                    if let Some((_, value)) = sub_filters.iter_mut().find(|(role, _)| role == r) {
93                        *value = filter.clone();
94                    } else {
95                        sub_filters.push((r.clone(), filter.clone()));
96                    }
97                } else {
98                    sub_filters.retain(|(role, _)| role != r);
99                }
100            }
101            layouts.push((
102                name.clone(),
103                Layout {
104                    kind: layout.kind,
105                    rear_trim_ms: layout.rear_trim_ms,
106                    members,
107                },
108            ));
109        }
110        let cap_ms = 0.7 * config.taps as f64 / SR_F * 1000.0;
111        let capped = config.lift_ms > cap_ms;
112        let lift_ms = if capped { cap_ms } else { config.lift_ms };
113        let max_latency_ms = config.max_latency_ms.map_or(lift_ms + 15.0, |v| {
114            if capped {
115                v - (config.lift_ms - cap_ms)
116            } else {
117                v
118            }
119        });
120        Self {
121            sub_manual,
122            sub_filters,
123            layouts,
124            lift_ms,
125            lift_capped_from_ms: capped.then_some(config.lift_ms),
126            max_latency_ms,
127            rc_lo: config.rc_range.0,
128            rc_hi_manual: config.rc_range.1,
129            rc_hi: config.rc_range.1.filter(|v| *v != 0.0).unwrap_or(500.0),
130            rc_bands: config.rc_bands.clone(),
131            lf_align: config.lf_align,
132            mode_decay: config.mode_decay,
133            hf_phase: config.hf_phase,
134            peq_bands: config.peq_bands.unwrap_or(16),
135        }
136    }
137}